Agent Name

Lanosol yellow 4G

CAS Number

70247-70-0

Formula

C19-H14-Br-Cl2-N5-O8-S2.2Na

Major Category

Dyes

Synonyms

Benzenesulfonic acid, 4-(4-((5-((2-bromo-1-oxo-2-propenyl)amino)-2-sulfophenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-2,5-dichloro-, disodium salt; Benzenesulfonic acid, 4-(4-(2-(5-((2-bromo-1-oxo-2-propen-1-yl)amino)-2-sulfophenyl)diazenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-2,5-dichloro-, sodium salt (1:2); C.I. Reactive Yellow 39; Disodium 4-(4-((5-((2-bromo-1-oxoallyl)amino)-2-sulphonatophenyl)azo)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl)-2,5-dichlorobenzenesulphonate; [ChemIDplus]

Category

Azo Dyes

Comments

Occupational asthma documented in a dyer with positive skin test and broncho-provocation test; [Malo]

Adverse Effects
Asthma

Yes

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: