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ACID YELLOW 40

ACID YELLOW 40 Structure
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
MOL File:
6372-96-9.mol
MSDS File:
SDS
Modify Date:
2022/12/21 16:56:50

ACID YELLOW 40 Properties

EPA Substance Registry System C.I. Acid Yellow 40 monosodium salt (6372-96-9)

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.

ACID YELLOW 40 Preparation Products And Raw materials

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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