ACID YELLOW 42

Modify Date: 2025-08-25 12:52:47

ACID YELLOW 42 Structure
ACID YELLOW 42 structure
Common Name ACID YELLOW 42
CAS Number 6375-55-9 Molecular Weight 758.691
Density N/A Boiling Point N/A
Molecular Formula C32H24N8Na2O8S2 Melting Point N/A
MSDS N/A Flash Point N/A

 Names

Name disodium,5-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-2-[4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-2-sulfonatophenyl]benzenesulfonate
Synonym More Synonyms

 Chemical & Physical Properties

Molecular Formula C32H24N8Na2O8S2
Molecular Weight 758.691
Exact Mass 758.095398
PSA 245.94000
LogP 6.07460

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DV3910000
CHEMICAL NAME :
(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
CAS REGISTRY NUMBER :
6375-55-9
LAST UPDATED :
199701
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C32-H24-N8-O8-S2.2Na
MOLECULAR WEIGHT :
758.74

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
500 ug/plate
REFERENCE :
VHTODE Veterinary and Human Toxicology. (American College of Veterinary and Comparative Toxicology, Publication Office, Comparative Toxicology, Manhattan, KS 66506) V.19- 1977- Volume(issue)/page/year: 22,413,1980 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M3153 No. of Facilities: 68 (estimated) No. of Industries: 1 No. of Occupations: 10 No. of Employees: 1106 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M3153 No. of Facilities: 36 (estimated) No. of Industries: 1 No. of Occupations: 2 No. of Employees: 896 (estimated)

 Safety Information

HS Code 3204120000

 Customs

HS Code 3204120000

 Synonyms

Supranol Yellow R
Coomassie Yellow R
EINECS 228-940-9
Milling Yellow RX
Disodium 4,4'-bis[(E)-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]-2,2'-biphenyldisulfonate
Acid Yellow K
ACID YELLOW 42
Milling Yellow 3G
Optanol Yellow R
Acid Fast Yellow MR
MFCD00003139
Pharmatex Yellow G
[1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-bis[(E)-2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-, sodium salt (1:2)
Milling Yellow 3J
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