This standard specifies the terms and definitions, classification, determination process and guidance, categories and warning labels, configuration of categories and warning label elements and general provisions for warning statements for flammable gases. This standard applies to the hazard classification, warning labels and warning statements of flammable gases according to the United Nations Globally Harmonized System of Classification and Labelling of Chemicals. GB 20577-2006 Safety Specification for Classification, Warning Labels and Warning Statements of Chemicals Flammable Gases GB20577-2006 Standard Download Unzip Password: www.bzxz.net
This standard specifies the terms and definitions, classification, determination process and guidance, categories and warning labels, configuration of categories and warning label elements and general provisions for warning statements for flammable gases. This standard applies to the hazard classification, warning labels and warning statements of flammable gases according to the United Nations Globally Harmonized System of Classification and Labelling of Chemicals.

H'S13.300
National Standard of the People's Republic of China
GB20577—2006
Safety rules for classification precautionary labelling and precautionary stalements of chemicals-Flammable gases2006-10-24Promulgated
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Standardization Administration of the People's Republic of China
2008-01-01Implementation
National Standard of the People's Republic of China
Safety rules for classification, precautionary labelling and precautionary stalements of chemicals-Flammable gases
GB 20177200m.
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Chapter 4, Chapter 6, Chapter 7 and Chapter 8 of this standard are mandatory, and the rest are recommended GB20577-2006
This standard is equivalent to the United Nations "Global Harmonized System of Classification and Labeling of Chemicals" (IIS), and has the same technical content as the United States (1IS). The standard text format has been edited according to G/T.1-2000. Appendix A of this standard is Informative Appendix
This standard was proposed by the National Standardization Technical Committee for Hazardous Chemicals (SAC/TC251). The responsible drafting unit of this standard is China National Chemical Standardization Research Institute. The participating drafting units are Anhui Provincial Border Inspection and Quarantine Bureau, Sichuan Provincial Dangerous Chemicals Quality Supervision and Inspection Institute, Marine Chemical Research Institute, Jiangxi Provincial Border Inspection and Quarantine Bureau.
The initiators of this standard are Wang Yuebing, Wen Jinsong, Jia Jiachan, Xia Xuedong, Han Deping, Li Hufeng, and Gu Huili. This standard shall be implemented in the production field from January 1, 2003; in the market from December 31, 2008; and in the market from February 31, 2008. 1. Scope
Safety Specification for Classification, Warning Labels and Warning Statements of Chemicals Flammable Gases
GB 20577-2006
This standard specifies the terminology and definitions, classification, determination process and guidance, category and warning labels, configuration of category and label elements and general provisions for warning statements of flammable gases.
This standard specifies the hazard classification, warning labels and warning statements of flammable gases according to the United Nations Global Harmonized System of Classification and Labelling of Chemicals.
2. Normative References
The clauses in the following documents become the clauses of this standard through reference in this standard. For the referenced documents with a date, all subsequent amendments (excluding corrigenda, errata, or revisions) are not applicable to this standard. However, the parties to the agreement on this standard are encouraged to study and apply the latest technology of these documents. For the referenced documents without a date, the latest version shall apply to the above standard. [3 6912005 Classification and name of dangerous goods (5 278-2006 Chemical classification, warning labelling, safety specifications for indicative statements of flammable aerosols 1S) "! 599% gas and gas mixture selection cylinder out of the determination of combustion and oxidizing energy combined with the global harmonized system of classification and labeling of chemicals (GHS) Taiwan: Recommendations on the transport of dangerous goods under the following regulations (13th revised edition) 3 Terms and definitions || tt || flammable gases namrnalegases || tt || at 2 and standard atmospheric pressure 3kP Gases that are flammable when mixed with air are divided into two categories according to the following classifications: see Table 1. Table 1 Classification of flammable gases Gases that are flammable when mixed with air at 2°C and 1.3°C (standard atmospheric pressure) are classified according to the following classifications: Gases that are ignitable when mixed with air ... Note 2: For the classification of aerosols see G1 20::723
Determination process and guidance
The following determination process and guidance are not part of the coordinated classification system: they are used as supplementary guidance. It is particularly recommended that the person responsible for classification conduct research on the classification before using the determination process and using the city. 5.1 Determination process
For flammable gases, the flammability assessment data are required to classify the determination process in Figure 1. GB 205772006
Gas or [volume mixture]
Standard gas [01.3kP] air mixed with
standard product specification
When the standard gas is 03P
When the concentration of the medium in the air is equal to or less than the volume fraction of the medium, is it flammable or
regardless of the flammability limit, can the standard be used as the T point?
Figure 1 Flowchart for determining flammable gas
5.2 Guidance
Flammability should be determined by various tests or by calculation according to ISO[0!56:1996. 6 Categories and warning labels
See Table 2 for categories and warning labels of flammable gases. Table 2
Classification and warning labels of flammable gases
Wet mixtures at 2i and standard atmospheric pressure [1.3kPa:
When the fraction of flammable gas in air accounts for 13% or less, it is called a flammable gas: or "h) Regardless of the lower flammable limit, in air mixing, the flammable gas content is less than -2 percentage points.
Not classified||Typical symbol
Hazardous substance
23t and standard atmospheric pressure 11.3 kPa gas mixture has a flammable range rather than a special flammable gas or gas mixture. Configuration of categories and label elements
Graphic symbol
Hazardous statement
Extremely flammable gas
Small Embassy Office
Flammable gas
For chemical classification and labeling, each category of hazard type is presented in the sequence of designated graphic symbols, names and hazard statements. The hazard types of the United Nations Recommendations on the Transport of Dangerous Goods Model Regulations are listed below according to the requirements of the United Nations Globally Harmonized System of Classification and Labeling of Chemicals (IS). The configuration of the designated graphic symbols and label elements of the flammable path is shown in Table 32
Extremely flammable
8 Indicative statement
Type 2
No number
Flammable gas
Table 3 Configuration of flammable gas categories and label elements GB 20577--2006
In the United Nations dangerous goods transport recommendations
Model regulations
graphic signs
. The pictograms, numbers and borders
are replaced by black
to show:
, and the back and back colors are kept
. The number 2 in the figure is Class 2 in GB 6944-
2005.
The minimum
size of the graphic signs for cargo transport is 10mm×100mm
This label provides some common warning statements, which are intended to provide instructions that can be suitable for labels provided for specific substances or mixtures. The warning statements that are most appropriate for the specific situation should be used. When using words in brackets in the warning statement, any words in the brackets are supplementary words, which are the core content contained in the supplementary words or replace the content. 8.1 Physical Hazards Statement
- General Precautionary Statement
With Ignition Sources:
Keep away from open flames (no chemical inhalation)
Keep away from heat, sparks and flames) (no smoking) Keep away from heat and ignition sources (no smoking).
Keep away from ignition sources, no smoking
Avoid contact with heat and ignition sources (no smoking with oxidants). No ignition, sparks and no smoking, take precautionary measures to prevent static
Do not use tools that may produce flames.
Avoid direct sunlight.
Keep away from open flames, sparks and hot surfaces:
Do not use or store near heat or open flames. h) Warnings about containers:
Keep the container closed.
Keep the container airtight.
Keep the container closed when not in use.
Store in sealed containers...
It can be kept in the original container.
) The container or packaging is stored in a dark place.
Keep the temperature not exceeding (
GB 20577—2006
Decomposes at
(
)℃ below the boiling point. Decomposes at
.
Place the container/package in a well-ventilated place, keep the container/package in a cool (good wind) place, and store only in the original container/package in a cool and well-ventilated place. Keep the container/package tightly closed and placed in a good place against the wind, store in a cool/low-dry and well-ventilated (apart from heat and ignition sources) according to the explosion limit range of the dangerous chemical packaging list.
may cause combustion if exposed to temperatures above 5.℃ (130℃ or below) and is incompatible with Material isolation:
Do not store and transport with oxygen, etc., and keep away from oxidants, explosives, halogens, compressed air, acids, magnets and food.
Do not store and transport with oxidants, alkalis, etc. r) Disinfection:
Use oxidizing agent, dry powder or foam.
In case of fire, use
8.1.2 Use the warnings for containers in 8.1. "Appropriate warning instructions for containers and other contents. Add one of the following phrases:
Keep away from combustibles
Keep away from (incompatible substances specified by the manufacturer). Avoid contact with clothing and other combustibles, prevent contamination by oxidizing agents and polymerization accelerators, do not store near combustibles, do not dry on clothing or weak combustibles. This product may cause damage. Install safety and shockproof materials during transportation. Do not store and transport with combustibles and reducers. Do not store and transport with halogens and acids. Separate from reducing agents, fine powders, and metals during storage and transportation. 8. 2.2.1 Ventilation Control bZxz.net
It is recommended to use in a well-ventilated area
Only use in a closed system with adequate ventilation (with appropriate ventilation). Do not enter the storage area before adequate ventilation (with adequate ventilation or system ventilation) to keep harmful substances (dust, mist, vapor, etc. in the air) below the established exposure limit.
Use ventilation to remove vapors (fumes, etc.). Use appropriate ventilation areas and/or process control during high temperature operations to avoid exposure to vapors. During use and in other places, provide appropriate ventilation. Avoid vapor accumulation. Use respirator with proper ventilation or breathing protection. Do not use in properly ventilated areas. Do not inhale (dust, vapor or spray). 8.2.2 Hygiene measures Smoking, drinking and drinking are prohibited during operation. : Do not eat, drink or smoke during operation. Wash hands before eating, drinking and washing. Wash hands after operation. Avoid contact with skin and keep good hygiene habits. Avoid contact with skin and fetuses. Avoid skin contact. Prevent splashing of clothing. Wash hands after operation and before eating, drinking or washing. Clean the operating door and doors thoroughly with water, and protect them from direct contact with skin and eyes. Wear a towel (eye protection or clothing) to protect [eye protection, skin) or clothing. 8.2.3 Personal protective equipment Wear appropriate protective clothing and gloves (specify the type of protective clothing and gloves): Wear eye protection (goggles, face shield or safety glasses), wear appropriate personal protective equipment: avoid contact with the following plan: 8.2.4 Respiratory protective equipment In the case of insufficient wind, wear appropriate breathing equipment, in case of strong spray Proper breathing apparatus should be worn (the manufacturer's specifications should be appropriate and explanatory). When using the chemical, an effective emergency self-contained breathing apparatus or a full-face breathing apparatus should be used. When using the chemical alone, a mouth-held breathing apparatus or a full-face breathing apparatus should be used. 8.3 Instructions for appropriate measures in the event of an accident 8.3.1 Leakage
Directions - evacuate the danger zone,
If there is a leak, consult an expert:
Use the materials specified by the manufacturer) to clean the ground and all objects contaminated by the substance, cover or wrap with absorbent, collect and dispose of.
Absorb the remaining objects in sand or a volatile absorbent and move to a safe place. Dispose of the remaining liquid with
Use large amounts of water to remove the liquid and the remaining! , remove all substances immediately. Allow the product to cool/decompose and then pick it up. Sweep and move immediately: When handling leaking materials, remove sparks from the device and ensure that it is away from the ignition source to remove steam. Place the materials in the original dew point carefully with a towel and then wash with water. Collect the remaining materials. GB 20577—2006 GB 20577—2006 Wipe off the remaining materials and place them in a safe place. Do not use saws or other flammable absorbents to absorb. 8.3.2 Firefighting In case of fire, use the firefighting equipment specified in the category. If water will increase the risk, do not use water. Use carbon dioxide, powder or foam. Water can be used to cool the exposed materials.
If the gas flow cannot be shut off, allow the gas to burn. Cut off the source; if this is not possible or there is no risk to the surroundings, let the fire burn out: otherwise, use (if the surroundings are on fire: all igniters are acceptable. If the surroundings are on fire: use appropriate igniters). Firefighters should wear complete protective clothing, including a self-contained breathing apparatus. 8.4 First aid
8.4.1 General
In case of accident or physical discomfort, seek medical help immediately (post medical labels where possible). Call the Poison Control Center or the First Aid Station. When going to the emergency room for treatment, carry the product container with you. 8.4.2 Accidents caused by inhalation
In case of inhalation accident, move the victim to fresh air and keep quiet: If inhaled, give first aid immediately
[Move the victim to fresh air and rest. Get medical attention immediately. If signs/symptoms continue, get medical treatment immediately. If breathing stops, give a breathalyzer
If breathing is difficult, give ammonia.
Semi-upright position.
Use the following if necessary: ​​
Do not use mouth-to-mouth resuscitation.
If you are breathing, give a breathalyzer. If the patient is sick, give oxygen or give breathing exercises. If the patient is sick, use amyl nitrite and call a doctor. Take the patient to fresh air.
Call 120 emergency number or call an ambulance, then perform artificial respiration, preferably mouth-to-mouth breathing, and call the animal control center or doctor for more advanced treatment plans. 8.4.3 Accidents caused by skin contact
After contact with the skin, take off all contaminated clothing and wash with large amounts of (items specified by the manufacturer). (If irritation develops and persists: give medical treatment):
If irritation develops and persists, seek medical treatment immediately. Immediately wash with a soft soap, then wash with water for 15 minutes or rinse with large amounts of water. (If irritation develops and persists,(Seek medical attention immediately)
Immediately flush the skin with plenty of water and remove contaminated clothing. If irritation (redness, rash, blisters) develops, seek medical attention immediately. Wash contaminated clothing before use, remove clothing and wash thoroughly before use. Remove contaminated clothing and wash again before use, flush contaminated body parts with plenty of water. Flush contaminated body parts with soap and fresh water. 6
If in contact with body parts, seek medical attention immediately. If in contact with skin or clothing, flush with fresh water. If there are wounds, seek medical attention immediately.
In case of contact with skin, apply deep water with silver nitrate solution. Remove contaminated clothing.
Immediately flush skin with plenty of water for 15min20min. 8.4.4 Accidents caused by eye contact
To prevent eye corrosion, flush with plenty of (the solution specified in the manufacturer's instructions). Flush eyes for at least: min. Seek medical attention immediately. Wash eyes with water for at least 5 minutes. If irritation develops or persists, seek medical attention immediately. Flush open eyelids with large amounts of water for at least 5 minutes. If irritation persists, seek medical attention immediately. Hold open eyes and rinse with water for at least 15 minutes. If wearing glasses, follow medical attention immediately. First rinse with large amounts of water for several minutes (remove contact lenses if possible) and then seek medical attention immediately. If contact lenses are exposed directly, rinse thoroughly with slow-flowing fresh water (CB 20577-2006). Keep eyes open. Flush slowly and gently with water for 5 to 20 minutes. Contact lenses should be removed after the first 5 minutes and then continue to rinse. 8.5 Instructions for environmental protection and appropriate disposal 8.5.1 Environmental protection Use appropriate containment measures to avoid environmental contamination and avoid release into the surrounding environment. (Refer to the safety data sheet of the chemical) to prevent release in the surrounding environment.
Make appropriate plans.
Do not allow the chemical/product to enter the surrounding environment. 8.5.2 Disposal
Send the container to your designated waste recycling station for disposal. The material and its container must be treated as hazardous waste: Dispose of in an approved waste disposal facility. Waste: The material and container must be disposed of in a safe manner. Do not contaminate water, food or feed during storage. It is prohibited to enter any land or drains or any water bodies. Refer to the manufacturer's supplier information for proper recycling. (The best waste management plan is (choose the appropriate word from the following sentences): it can be used. Recycling, recycling equipment, recycling equipment or incineration equipment, incineration in a municipal recycling furnace. 8.6 Special instructions for consumers Keep away from children and keep away from food, materials and animal feedingstuffs. GB 20577-2006 (Informative Appendix) According to JS0 10156:1996 classification example
A.1 Example of classifying flammable gas mixtures based on the calculation results of S () 10156:996. 4.2
The flammability (R) calculation formula of flammable gas mixtures is shown in (A, 1): R
Where:
Amount of flammable gas:
The maximum concentration of flammable gas mixture in nitrogen and air that is not flammable; - the first type in the mixture A.1 When a gas mixture contains a suitable diluent other than nitrogen, the corresponding coefficient of the suitable gas H (K) should be used to adjust the volume of the diluent equivalent to the volume of nitrogen. A.3 The flammability presumption principle is shown in formula (A.2): k A.4 For example: Using the following gas mixture: 2% (I.)- 6%((11,1-27%(Ar) :65x(Hc)Calculation
Determine the equivalent coefficient (K.) of the flammable gas to nitrogen. KAIL-0 E
Use the K of the body to calculate the equivalent mixture with nitrogen as the cross-sectional gas 2(11.+64((H.)-[27X. 5 16:x0. 31N.): 2(1.)+6%(H,)-469(N) 54%
Adjust the content to: 00%
×2(1)6(CH,)+46(N1 3.7%(H) 11.1%(CL) 185.2%(N)150
Determine the T coefficient of the flammable gas
T (1-5.7V
T. (CH, +14.3%
A.4.5 Calculate the flammability of the equivalent mixture using the formula R
1.421. Therefore, the mixture is flammable in the air. GB 20577-2006
5.7 - 14. 3 -
Copyright exclusive infringement must be investigated
Book 5:155066·1-29531
Price:7%(H) 11.1%(CL) 185.2%(N)150
Determine the T coefficient of flammable gas
T (1-5.7V
T. (CH,+14.3%
A.4.5 Use the formula to calculate the flammability of the equivalent mixture R
1.421. Therefore, the mixture is flammable in the word gas. GB 20577-2006
5.7 - 14. 3 -
Copyright exclusive infringement must be investigated
Book 5:155066·1-29531
Price:7%(H) 11.1%(CL) 185.2%(N)150
Determine the T coefficient of flammable gas
T (1-5.7V
T. (CH,+14.3%
A.4.5 Use the formula to calculate the flammability of the equivalent mixture R
1.421. Therefore, the mixture is flammable in the word gas. GB 20577-2006
5.7 - 14. 3 -
Copyright exclusive infringement must be investigated
Book 5:155066·1-29531
Price:
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