What is the NOAEL for C.I. Direct green 1?
C.I. Direct green 1 has 4 NOAEL studies in the database. The lowest reported value is 1NKK0HI483 UNII. Source: openFDA substances.
NOAEL Data
Cosmetic Ingredient
C.I. Direct green 1
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)
CAS 3626-28-6
C.I. Direct green 1 (CAS 3626-28-6) is a chemical substance. Key regulatory status: cosmetic ingredient cross-reference; source data from EPA ToxValDB, AICIS.
Cross-Vertical Regulatory Divergence
C.I. Direct green 1 is classified GHS Danger (H350, H361) in the chemicals database but is restricted in EU cosmetics.
SOURCE
Cross-vertical comparison
Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
SOURCE
noael studies public
NOAEL studies
4
SOURCE
chemical inventory jurisdictions
Regulatory lists
0
SOURCE
eu clp annex vi
GHS signal
Not classified
Chemical Identity
CAS, identifiers, formula, and alternate names for the matched substance record.
SOURCE
DSSTox identifiers
26 fields
Name
C.I. Direct green 1
CAS Number
3626-28-6
DTXSID
DTXSID3025201
Molecular Formula
C34H25N7O8S2.2Na
InChI Key
DDLNJHAAABRHFY-UHFFFAOYSA-L
Monoisotopic Mass
769.100142
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 salt2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)-, disodium salt List AcronymsDisodium 4-amino-5-hydroxy-3-((4'-((4-hydroxyphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-6-(phenylazo)naphthalene-2,7-disulphonateAiredale Green BWDAizen Direct Dark Green BHAmanil Green LTAtlantic Dark GreenAtlantic Green WTAtul Direct Dark Green PAzine Dark Green BH/CAzocard Dark Green B
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 4 of 4 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 1NKK0HI483 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 1NKK0HI483 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 1NKK0HI483 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 1NKK0HI483 | UNII | FDA UNII substance identifier | - | - | openFDA substances |
Showing 4 of 4 studies
Australian Status (AICIS)
Australian industrial chemicals inventory status and applicable conditions.
SOURCE
AICIS inventory
1 records
Inventory Status
listed
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
restricted
Max
-
Category
Colorant
Frequently Asked Questions
Is C.I. Direct green 1 used in cosmetics?
Yes, C.I. Direct green 1 is also indexed as a cosmetic ingredient under the name CI 42170. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Where does the safety data for C.I. Direct green 1 come from?
Safety data is sourced from EPA ToxValDB, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Does C.I. Direct green 1 have different safety status in cosmetics vs industrial chemicals?
C.I. Direct green 1 is classified GHS Danger (H350, H361) in the chemicals database but is restricted in EU cosmetics.
Is C.I. Direct green 1 used outside industrial chemicals?
C.I. Direct green 1 also appears in cosmetics databases.