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Acid Yellow 42

Acid Yellow 42 Structure
CAS No.
6375-55-9
Chemical Name:
Acid Yellow 42
Synonyms
c.i.22910;acidyellowk;Acid Yellow R;optanolyellowr;Acid Yellow FG;ACID YELLOW 42;millingyellowrx;millingyellow3j;millingyellow3g;supranolyellowr
CBNumber:
CB7719987
Molecular Formula:
C32H27N8NaO8S2
Molecular Weight:
738.73
MOL File:
6375-55-9.mol
MSDS File:
SDS
Modify Date:
2023/5/4 15:14:30

Acid Yellow 42 Properties

Density 1.617[at 20℃]
Water Solubility 17.27g/L at 20℃
LogP -1.122 at 20℃
EPA Substance Registry System C.I. Acid Yellow 42, disodium salt (6375-55-9)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H319-H317
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P261-P272-P280-P302+P352-P333+P313-P321-P363-P501

Acid Yellow 42 Chemical Properties,Uses,Production

Preparation

2,2′-Disulfo-4,4,diaminobibenzene double nitriding, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one? (2 Moore) coupled.

Properties and Applications

yellow to red light yellow. Bright yellow powder. A lemon yellow soluble in water, soluble in ethanol is lemon yellow, slightly soluble in acetone. Meet strong sulfuric acid is lemon yellow, dilute still is shown after lemon yellow. Its water solution meet strong hydrochloric acid is lemon yellow; Sodium hydroxide solution meet strong a lemon yellow. In dyeing of copper (a little red dark, encounter chromium ion unchanged, encounter iron ion turn green dark. Mainly used for wool dyeing and can be used for wool, silk and glue directly printing, has the good discharge sex, can be used for the polyamide fiber dyeing and leather shading.

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

Acid Yellow 42 Preparation Products And Raw materials

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coomassieyellowrp cyaninefastyellowm eriofastyellowrl fastsilkyellowsh kcaacidmillingyellowm midlonyellowpropyl millingyellow3g millingyellow3j millingyellowrx naphthaleneleatheryellow2g optanolyellowr pharmacineyellowr pharmatexyellowg shikisoacidfastyellowmr sulfonineyellowcsr suminolmillingyellowmr supranolyellowr symulonacidfastyellowmr tertracidmillingyellowr xylenemillingyellowsh Disodium 4,4'-bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-[1,1'-biphenyl]-2,2'-disulfonate Milling Yellow N-SH Acid Fast Yellow R Acid Milling Yellow M Acid Yellow FG Acid Yellow R Aminyl Yellow F-MR Anadurm Yellow M-G Concorde Acid Yellow M-GR Covalene Yellow MR Dermacid Yellow 2R Dycosacid Leather Yellow MR Eniacid Fast Yellow R Everacid Milling Yellow MR Kenanthrol Yellow R Lecotan Yellow SH Milling Fast Yellow R Naphthazine Yellow MR Sandolan Milling Yellow N-SH Sipofol Yellow R Sumind Milling Yellow MR Triacid Yellow 2R Vopsider Yellow ARL. disodium 4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1-biphenyl-2,6-disulphonate 1,1-Biphenyl-2,2-disulfonic acid, 4,4-bis(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo-, disodium salt 4,4'-Bis((4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo)-(1,1'-biphenyl)-2,2'-disulfonate disodium salt (1,1’-biphenyl)-2,2’-disulfonicacid,4,4’-bis((4,5-dihydro-3-methyl-5-oxo-1-ph 4,4'-Bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-1,1'-biphenyl-2,2'-disulfonic acid disodium salt BENZYL FAST YELLOW RS COOMASSIE YELLOW R CI ACID YELLOW 42 CALCOCID MILLING YELLOW R ACID YELLOW 42 SULPHON YELLOW RS-CF [1,1’-biphenyl]-2,2’-disulfonicacid,4,4’-bis[(4,5-dihydro-3-methyl-5-oxo-1-ph [1,1’-Biphenyl]-2,2’-disulfonicacid,4,4’-bis[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-,disodiumsalt acidanthraceneyellowgr acidfastyellowmr