Agent Name

Hydroxynaphthol blue

CAS Number

63451-35-4

Formula

C20-H14-N2-O11-S3.3Na

Major Category

Dyes

Synonyms

1,1'-Azonaphthalene, 2,2'-dihydroxy-3,3',6-trisulfonic acid-, trisodium salt; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-((2-hydroxy-4-sulfo-1-naphthalenyl)azo)-, trisodium salt; Trisodium 3-hydroxy-4-((2-hydroxy-4-sulphonato-1-naphthyl)azo)naphthalene-2,7-disulphonate; [ChemIDplus]

Category

Azo Dyes

Description

Powder; [MSDSonline]

Comments

May cause allergic contact dermatitis; May be toxic by ingestion; [MSDSonline] Search: 63451-35-4 AND (sensitizer OR sensitization OR allergic OR dermatitis) = No items found; [PubMed]

Exposure Assessment
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Chemical Information

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Processes

Industrial Processes with risk of exposure: