METHYL YELLOW

PRODUCT IDENTIFICATION

 

2.9 - 4.0

 
CAS NO 60-11-7

4-DIMETHYLAMINOAZOBENZENE

EINECS NO. 200-455-7
FORMULA C6H5N=NC6H4N(CH3)2
MOL WT. 225.30
H.S. CODE 2927.00.5000
TOXICITY

 

SYNONYMS Methyl yellow; Butter Yellow; C.I. Solvent yellow 2;
DAB; N,N-Dimethyl-4-(phenylazo)benzenamine; Fat Yellow; p-Dimethylaminoazobenzene; Dimethylaminoazobenzene; N,N-Dimethyl-4-aminoazobenzene; Oil Yellow; Oil Yellow 2G; Benzeneazodimethylaniline; Dimethyl yellow; 4-(N,N-Dimethylamino)azobenzene; Dimethylaminoazobenzol; C.I. 11020; Sudan GG; Yellow G soluble in grease; Sudan Yellow; 4-Dimethylaminophenylazobenzene; N,N-Dimethyl-4-(phenylazo)benzamine; N,N-Dimethyl-p-azoaniline; Zlut rozpoustedlova 2; p-Dimethylamino-azobenzol; p-Dimethylaminoazobenzen; N,N-Dimethyl-4-(phenylazo)aniline; 4-Dimethylaminoazobenzol; Other RN: 55964-95-9, 77126-00-2
SMILES c1(\N=N\c2ccccc2)ccc(N(C)C)cc1

CLASSIFICATION

 Monoazo, Solvent Dye, Indicator

EXTRA NOTES

 Overall Carcinogenic Evaluation: Group 2B
Reasonably anticipated to be a carcinogen

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE Orange powder
MELTING POINT 111 C (Decomposes)
BOILING POINT  
SPECIFIC GRAVITY  
SOLUBILITY IN WATER Insoluble
SOLVENT SOLUBILITY

 

pH 6 - 7
VAPOR DENSITY  
NFPA RATINGS  
FLASH POINT

 

STABILITY Stable under ordinary conditions.

EXTERNAL LINKS & GENERAL DESCRIPTION

Wikipedia Linking - Methyl yellow

Google Scholar Search - Methyl yellow

Drug Information Portal (U.S. National Library of Medicine) - Methyl yellow

PubChem Compound Summary - Methyl yellow

KEGG (Kyoto Encyclopedia of Genes and Genomes) - Methyl yellow

http://www.ebi.ac.uk/ - Methyl yellow

http://www.ncbi.nlm.nih.gov/ - Methyl yellow

Material Safety Data Sheet

http://toxnet.nlm.nih.gov/
Hazardous Substances Data Bank - Methyl yellow

Local:
p-Dimethylaminoazobenzene (also Dimethyl Yellow, Solvent Yellow 2, Fat Yellow A, or Sudan Yellow, IUPAC name: N,N-dimethyl-4-phenyldiazenyl-aniline) is a toxic chemical which had been primarily used as a food additive and experimental liver cancer induction before it was anticipated to be a carcinogens. This compound is used as a pH indicator between pH 2.9 (red) and 4.0 (yellow).

SALES SPECIFICATION

APPEARANCE

 Orange powder

CONTENT

96.0% min

TRANSPORTATION
PACKING  
HAZARD CLASS 6.1 (Packing Group: III)
UN NO. 2811
OTHER INFORMATION
Hazard Symbols: XN, Risk Phrases: 22, Safety Phrases: 24/25/28A6/37/45
UV wavelength : 408 nm max