HG/T 2635-1994 Photographic Chemicals Coupler COY-5 (Yellow 118) HG/T2635-1994 Standard Download Decompression Password: www.bzxz.net

Chemical Industry Standard of the People's Republic of China
Photographic Chemicals
Coupler COY-5 (Yellow 118)
HG / T 2635 — 94
This product is a quasi-white crystalline powder, easily soluble in solvents such as butyl chloroform, ethyl acetate, acetone, and difficult to dissolve in water and petroleum ether, with a melting point of 152~～154
Molecular formula: C,H,CIN,O,S
Relative molecular weight: 909.66 (according to the 1989 international relative atomic mass) 1. Subject content and applicable scope This standard specifies the technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of colorant COY-5. This standard applies to colorant COY-5: 2 Reference standards GB/T191 Pictorial marking for packaging, storage and transportation GB/T619 Specification for sampling and acceptance of chemical reagents ZBG/T85006 Photographic chemicals - Determination of light absorption of colorants HG/T2256 Photographic chemicals - Determination of ash content of colorants - Determination of sulphur content of colorants HG/T2257 Photographic chemicals HG/T2258 Photographic chemicals - Determination of solubility of colorants HG/T2414 Determination of colorant content - Reversed phase high performance liquid chromatography Photographic chemicals Determination of trace metals in colorants - Flame atomic absorption spectrometry HG/T 2415
3 Technical requirements
This product shall comply with the requirements of Table 1,
Total content (C, H, CIN, O, S). %
Organic impurities (chloride), %
Volatile matter, %
Ash, %
Approved by the Ministry of Chemical Industry of the People's Republic of China on August 17, 19948
Superior product
First-class product
Implemented on January 1, 1995
Light absorption, mL/g.cm
Fe, %
Cu, %
Pb. %
Zinc (Za). %
Nickel (Ni). %
Chloro (Cr). %
Photographic properties
Infrared light
Test method
HG/T2635-
Continued Table 1
4.1 The content of color former COY-5 and the content of organic impurities and nitrides shall be determined in accordance with the provisions of HG/T2414.
4.2 Solubility
Superior quality
First quality
The test shall be carried out in accordance with the provisions of HG/T2258, wherein chloroform is used as the solvent, and the solution shall be a light yellow transparent solution, and trace mechanical impurities are allowed.
4.3 Volatile matter
Determined according to HG/T2257, where the drying temperature is 100~105°C4.4 Ash content
Determined according to HG/T 2256,
4.5 Light absorption
Determined according to ZBG/T85006,
4.6 Iron, copper, lead, zinc, mirror and chromium
Determined according to HG/T2415,
4. 7 Photographic properties
Determined by the supply and demand parties
Infrared spectrum
Using potassium bromide tablet method, the measured infrared spectrum should be consistent with the standard spectrum. The standard infrared spectrum is shown in Figure 1. Follow
5 Inspection rules
HG/T 2635 -
118 Infrared photophilic image
Figure 1 Infrared spectrum of coloring agent COY-5bZxz.net
Sampling and acceptance shall be carried out in accordance with the provisions of GB/T619 6 Packaging, marking, transportation and storage
61 Packaging
The inner packaging shall be a double-layer plastic bag, and the plastic shall be supported. The outer packaging shall be a fiberboard barrel, which shall be sealed with a cover, and the net weight of each barrel shall be 20kg. Other packaging forms can also be determined through consultation with the user. 6.2 Marking
The outer packaging container shall be painted with a firm and clear mark. The product mark shall indicate: product name, registered trademark, standard number, product grade, gross weight, net weight, product batch number, production date, manufacturer name, storage and transportation marks shall be indicated in accordance with the provisions of GB/T191, and the product quality certificate shall be attached to the package.
6.3 Transportation
Handle with care during transportation, and prevent fire, moisture and heat. Do not damage the package. 64 Store
The product should be stored in a dark, dry and ventilated warehouse. Additional remarks:
This standard was proposed by the Technical Supervision Department of the Ministry of Chemical Industry of the People's Republic of China; This standard is under the jurisdiction of the Photosensitive Material Technology Development Center of the Ministry of Chemical Industry; This standard was drafted by the Photosensitive Material Technology Development Center of the Ministry of Chemical Industry, Qingdao Dye Factory and Beijing Chemical Factory participated in the drafting, and the drafters of this standard were Cai Ting, Na Chunhui, Zhang Ping, Huang Zhongyi, Guan Naobao, 10
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