1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)
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![1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2) structure](https://file.echemi.com/fileManage/upload/canonicalSmiles/20220812/da8b0ead20ab4ef09ccdc3badee5a8c7.png "1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)")
1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)
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CAS No:
12220-64-3
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Formula:
C20H14Cl2N4O7S2.2Na
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Chemical Name:
1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)
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Synonyms:
1-Naphthalenesulfonic acid,2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-,sodium salt (1:2);1-Naphthalenesulfonic acid,2-[[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-,disodium salt;C.I. Acid Yellow 19;Erio Fast Yellow G;Acid Yellow 19;Suminol Levelling Yellow NR;Xylene Light Yellow R;Mitsui Acid Fast Yellow GR;Aminyl Yellow E-GNL;Nylosan Yellow E-GRL;Kenamide Yellow GR;Acid Yellow 2GX;Best Acid Yellow GL;Daedo Acid Yellow C-GRL;Rifa Leather Yellow 3GL;Triacid Fast Yellow GRL;Covanyl Yellow RCP;Rifa Acid Fast Yellow E-GRL;Hispalon Yellow B-RGL;Covalene Yellow RCP;Nylosan Yellow E-GRL 160;66556-82-9;70865-22-4
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CAS No:
1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2) Basic Attributes
601.34742
599.93200
235-409-5
Safety Information
P261, P272, P280, P285, P302+P352, P304+P341, P321, P333+P313, P342+P311, P363, P501
H317
|Danger|H317 (100%): May cause an allergic skin reaction [Warning Sensitization, Skin]|P261, P272, P280, P285, P302+P352, P304+P341, P321, P333+P313, P342+P311, P363, and P501|Aggregated GHS information provided by 5 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2) Use and Manufacturing
Using 2-naphthylamine-1-sulfonic acid and 1-(2', 5'-dichloro-4'-sulfonic acid phenyl)-3-methyl-5-pyrazolone as raw materials, the 2 -Naphthylamine-1-sulfonic acid is diazotized and coupled with the latter to obtain the product. The finished product is obtained by salting out, filtering, drying and crushing.
Acid yellow E-GNL is mainly used for dyeing wool, but also for silk dyeing and direct printing on wool and silk fabrics. When dyeing wool in the same bath with other fibers, acetate fibers, cellulose fibers, and polyester fibers do not stain, and triacetate fibers stain slightly. The leveling property is good in the acetic acid bath, and the leveling property is medium in the sulfuric acid bath.
1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2): ACTIVE
Computed Properties
Molecular Weight:601.3
Hydrogen Bond Acceptor Count:10
Rotatable Bond Count:3
Exact Mass:599.9319850
Monoisotopic Mass:599.9319850
Topological Polar Surface Area:189
Heavy Atom Count:37
Complexity:1080
Undefined Atom Stereocenter Count:1
Covalently-Bonded Unit Count:3
Compound Is Canonicalized:Yes
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1-Naphthalenesulfonic acid, 2-[2-[1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-, sodium salt (1:2)
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