ACID YELLOW 40

CAS No.
6372-96-9
Chemical Name:
ACID YELLOW 40
Synonyms
KI402;CI 18950;POLAR YELLOW;PolarR Yellow;ACID YELLOW 40;Polar Yellow 5G;Bucacid yellow 3g;C.I. Acid Yellow 40;Ext.D&C Yellow No.4;Polar Yellow (Ciba)
CBNumber:
CB0449551
Molecular Formula:
C23H19ClN4O7S2.Na
Molecular Weight:
584.98
MDL Number:
MFCD00003117
MOL File:
6372-96-9.mol
MSDS File:
SDS
Last updated:2022-12-21 16:56:50

ACID YELLOW 40 Properties

EWG's Food Scores 1
FDA UNII 8DC214E4YK
EPA Substance Registry System C.I. Acid Yellow 40 monosodium salt (6372-96-9)

ACID YELLOW 40 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Medical Isotopes, Inc. 16269 ACIDYELLOW40 6372-96-9 50g $580 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000115 ACID YELLOW 40 95.00% 6372-96-9 50G $2457.03 2021-12-16 Buy
Product number Packaging Price Buy
16269 50g $580 Buy
DYE0000115 50G $2457.03 Buy

ACID YELLOW 40 Chemical Properties,Uses,Production

Uses

To dye wool. In the isoln of polymyxin.

Preparation

4-Aminophenol?diazo, and 5-Chloro-2-(3-methyl-5-oxo-2H-pyrazol-1(5H)-yl)benzenesulfonic acid?coupling, and then and 4-Methylbenzene-1-sulfonyl chloride?reaction, make phenol hydroxyl esterification.

Definition

ChEBI: An organic sodium salt that is the monosodium salt of 5-chloro-2-[5-hydroxy-3-methyl-4-({4-[(4-methylbenzene-1-sulfonyl)oxy]phenyl}diazenyl)-1H-pyrazol-1-yl]benzene-1-sulfonic acid.

Properties and Applications

yellow. Pale yellow powder. Soluble in water, but soluble in ethylene glycol ether, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid dyes in yellow; In nitric acid in yellow. Its water solution yellow, add hydrochloric acid sodium hydroxide or no change. This product used for pure, thick wool clothing dyeing comb female?, also used for silk, polyamide fiber dyeing, wool knitting products of silk nets printing. Can also be used in leather color.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 1 4 4-5 1 3 4-5 4
AATCC 5 2-3 2-3 4-5 2 2 3 3

ACID YELLOW 40 Preparation Products And Raw materials

Global( 14)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250 1026@dideu.com China 29627 58
Alfa Chemistry
+1-5166625404 Info@alfa-chemistry.com United States 21317 58
3B Pharmachem (Wuhan) International Co.,Ltd. 821-50328103-801 18930552037 3bsc@sina.com China 15848 69
Alfa Chemistry 1-516-6625404 support@alfa-chemistry.com United States 9171 60
Shaanxi Dideu Newmaterial Co., Ltd. 029-63373950 15353716720 1052@dideu.com China 10009 58
Acid leather yellow gr Belacid milling yellow 2g Benzyl fast yellow gnc Benzyl fast yellow gr Bucacid yellow 3g PolarR Yellow acidyellow40(c.i.18950) benzenesulfonicacid,5-chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl) POLAR YELLOW ACID YELLOW 40 CI 18950 Acid Yellow 40 (C.I.) C.I. Acid Yellow 40 sodium 5-chloro-2-(5-hydroxy-3-methyl-4-(4-((4-methylphenyl)sulphonyloxy)phenylazo)pyrazol-1-yl)benzenesulphonate 5-Chloro-2-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt Ext.D&C Yellow No.4 Polar Yellow 5G Acid leather yellow g Polar Yellow (Ciba) KI402 Benzenesulfonic acid, 5-chloro-2-[4,5-dihydro-3- methyl-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl ]azo]-5-oxo-1H-pyrazol-1-yl]-, sodium salt ACID YELLOW 40 ISO 9001:2015 REACH C.I.Acid Yellow 40:C.I.18950 6372-96-9 C23H18ClN4NaO7S2 C23H19ClN4O7S2Na Organics