NOAEL Data REACH Registered Cosmetic Ingredient

2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate

Also known as: UNII-S409QAZ004, 1H,5H-Pyrazolo(1,2-a)pyrazol-1-one, 2,3-diamino-6,7-dihydro-, dimethanesulfonate, Imexine OBH

CAS 857035-95-1

2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate (CAS 857035-95-1) is a chemical substance. Key regulatory status: REACH registered, 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, SCCS, ECHA REACH.

View cosmetic safety profile for 2,3-Diaminodihydropyrazolo Pyrazolone Dimethosulfonate →

SOURCE noael studies public
NOAEL studies
35
SOURCE chemical inventory jurisdictions
Regulatory lists
4
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 9 fields
Name
2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate
CAS Number
857035-95-1
DTXSID
DTXSID90235006
Molecular Formula
C6H10N4O.2CH4O3S
InChI Key
PFGOOGAEVIKREH-UHFFFAOYSA-N
Monoisotopic Mass
346.061691
Synonyms
UNII-S409QAZ0041H,5H-Pyrazolo(1,2-a)pyrazol-1-one, 2,3-diamino-6,7-dihydro-, dimethanesulfonateImexine OBH

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 2 records
Dye

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 4 records
ListKeywordSource
Europe; Personal care; restrictedEuropean CommissionCosIng
Europe; Personal care - hair coloringDanish Environmental Protection AgencyDanish EPA
Europe; Personal care - hair coloringDanish Environmental Protection AgencyDanish EPA
Europe; Personal care - hair coloringDanish Environmental Protection AgencyDanish EPA

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 35 of 35 studies
ValueUnitEndpointRouteSpeciesSource
300mg/kg bw/day---UnifiedCodex:SCCS_SHADOW:beta.noael_studies
300mg/kg bw/day---UnifiedCodex:SCCS_SHADOW:beta.noael_studies
300mg/kg bw/day---UnifiedCodex:SCCS_SHADOW:beta.noael_studies
300mg/kg bw/day-oralratUnifiedCodex:SCCS_SHADOW:beta.noael_studies
S409QAZ004UNIIFDA UNII substance identifier--openFDA substances
S409QAZ004UNIIFDA UNII substance identifier--openFDA substances
S409QAZ004UNIIFDA UNII substance identifier--openFDA substances
S409QAZ004UNIIFDA UNII substance identifier--openFDA substances
=1000mg/kg bw/dayLELoralRatToxValDB_ECHA_IUCLID
=0.03mg/kg bw/dNOAELoralratSCCS_vision_codex
=0.03mg/kg bw/dNOAELoralratSCCS_vision_codex
=0.03mg/kg bw/dNOAELoralratSCCS_vision_codex
=0.03mg/kg bw/dNOAELoralratSCCS_vision_codex
=300mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=300mg/kg bw/dayNOAEL--SCCS_vision_codex
=300mg/kg bw/dNOAELoralratSCCS_vision_codex
=300mg/kg bw/dayNOAEL--SCCS_vision_codex
=300mg/kg bw/dNOAELoralratSCCS_vision_codex
=300mg/kg bw/dayNOAEL--SCCS_vision_codex
=300mg/kg bw/dNOAELoralratSCCS_vision_codex
=300mg/kg bw/dayNOAEL--SCCS_vision_codex
=300mg/kg bw/dNOAELoralratSCCS_vision_codex
=1000mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
=1000mg/kg bw/dayNOAEL--SCCS_vision_codex
=1000mg/kg bw/dayNOAEL--SCCS_vision_codex
=1000mg/kg bw/dayNOAEL--SCCS_vision_codex
=1000mg/kg bw/dayNOAEL--SCCS_vision_codex
=0.03mg/kg bw/ddermal absorptionoralratUnifiedCodex:SCCS_SHADOW:beta.noael_studies
=300mg/kg bw/ddermal absorptionoralratUnifiedCodex:SCCS_SHADOW:beta.noael_studies
300mg/kg bw/daydevelopmental toxicity-rabbitUnifiedCodex:SCCS_SHADOW:beta.noael_studies
1000mg/kg bw/daydevelopmental toxicity--UnifiedCodex:SCCS_SHADOW:beta.noael_studies
1000mg/kg bw/daydevelopmental toxicity--UnifiedCodex:SCCS_SHADOW:beta.noael_studies
1000mg/kg bw/daydevelopmental toxicity-rabbitUnifiedCodex:SCCS_SHADOW:beta.noael_studies
300mg/kg bw/dayrepeated dose toxicity--UnifiedCodex:SCCS_SHADOW:beta.noael_studies
1000mg/kg bw/dayrepeated dose toxicity-humanUnifiedCodex:SCCS_SHADOW:beta.noael_studies

Showing 35 of 35 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered1H,5H-Pyrazolo(1,2-a)pyrazol-1-one, 2,3-diamino-6,7-dihydro-, dimethanesulfonate469-500-8ECHA overview →

SCCS Opinions

EU Scientific Committee opinions tied to the matched substance.

SOURCE EU SCCS 1 opinions
OpinionDateConclusionMax Conc.Concerns
SCCS/1478/1218 September 2012safe2.0%sensitisation potential not excluded

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
restricted
Max
-
Category
Colorant
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate?

2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate has 35 NOAEL studies in the database. The lowest reported value is 300 mg/kg bw/day. Source: UnifiedCodex:SCCS_SHADOW:beta.noael_studies.

What regulatory lists include 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate?

2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate appears on 2 regulatory/inventory lists including Europe; Personal care; restricted, Europe; Personal care - hair coloring. Source: EPA CPDat.

Is 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate used in cosmetics?

Yes, 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate is also indexed as a cosmetic ingredient under the name 2,3-Diaminodihydropyrazolo Pyrazolone Dimethosulfonate. 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 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, EPA DSSTox, ECHA REACH, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Is 2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate used outside industrial chemicals?

2,3-Diaminodihydropyrazolo pyrazolone dimethosulfonate also appears in cosmetics databases.