CI 42170

Also known as: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4'-[2-(4-hydroxyphenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2), 2,6-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)-, disodium salt, 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)-, disodium salt List Acronyms, Disodium 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)naphthalene-2,7-disulphonate, Airedale Green BWD (+15 more)

CI 42170 (CAS 3626-28-6) is a cosmetic cosmetic ingredient functioning as Colorant (green triphenylmethane dye). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 3626-28-6 →

Auto-generated CPSR Part A draft with source citations
Function
Colorant (green triphenylmethane dye)
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C34H23N7Na2O8S2
MW
767.7 g/mol
PubChem CID
135506439
IUPAC Name
disodium;4-amino-5-hydroxy-3-[[4-[4-[(4-hydroxyphenyl)diazenyl]phenyl]phenyl]diazenyl]-6-phenyldiazenylnaphthalene-2,7-disulfonate
InChIKey
DDLNJHAAABRHFY-UHFFFAOYSA-L

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Not FDA-listed for cosmetics

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for CI 42170.

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for CI 42170.

Regulatory Flags

colorant

Known Synonyms

2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-[2-[4'-[2-(4-hydroxyphenyl)diazenyl][1,1'-biphenyl]-4-yl]diazenyl]-6-(2-phenyldiazenyl)-, sodium salt (1:2) 2,6-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)-, disodium salt 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)-, disodium salt List Acronyms Disodium 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)naphthalene-2,7-disulphonate Airedale Green BWD Aizen Direct Dark Green BH Amanil Green LT Atlantic Dark Green Atlantic Green WT Atul Direct Dark Green P Azine Dark Green BH/C Azocard Dark Green B Bencidal Dark Green B Benzanil Dark Green BW Benzo Dark Green B Benzo Dark Green BA-CF Brasilamina Green B Calcomine Dark Green BG Chlorazol Dark Green PL Chrome Leather Dark Green N

Australian Status

AICIS status: listed

Frequently Asked Questions

Is CI 42170 safe in cosmetics?

CI 42170 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is CI 42170 allowed in the EU?

CI 42170 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does CI 42170 do in cosmetics?

CI 42170 functions as: Colorant (green triphenylmethane dye). It is classified as a cosmetic ingredient in our database. CAS number: 3626-28-6.

Is CI 42170 used outside cosmetics?

CI 42170 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does CI 42170 have different safety status in cosmetics vs industrial chemicals?

CI 42170 is classified GHS Danger (H350, H361) in the chemicals database but is restricted in EU cosmetics.

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