NOAEL Data REACH Registered Cosmetic Ingredient

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1)

Also known as: 4,5-Diamino-1-n-hexyl-1H-pyrazole hemisulfate

CAS 1361000-03-4

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) (CAS 1361000-03-4) is a chemical substance. Key regulatory status: REACH registered, 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, SCCS, ECHA REACH.

View cosmetic safety profile for 1-Hexyl 4,5-Diamino Pyrazole Sulfate →

SOURCE noael studies public
NOAEL studies
7
SOURCE chemical inventory jurisdictions
Regulatory lists
1
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 7 fields
Name
1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1)
CAS Number
1361000-03-4
DTXSID
DTXSID401020932
Molecular Formula
2C9H18N4.H2O4S
InChI Key
YXIPRERMSJCCGC-UHFFFAOYSA-N
Monoisotopic Mass
462.273673
Synonyms
4,5-Diamino-1-n-hexyl-1H-pyrazole hemisulfate

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 1 records
ListKeywordSource
Europe; Personal care; restrictedEuropean CommissionCosIng

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 7 of 7 studies
ValueUnitEndpointRouteSpeciesSource
9L2QOQ6WFHUNIIFDA UNII substance identifier--openFDA substances
9L2QOQ6WFHUNIIFDA UNII substance identifier--openFDA substances
9L2QOQ6WFHUNIIFDA UNII substance identifier--openFDA substances
9L2QOQ6WFHUNIIFDA UNII substance identifier--openFDA substances
=26mg/kg bw/dayLOAELoralRatToxValDB_ECHA_IUCLID
=5mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID
~8mg/kg bw/dayNOAELoralRatToxValDB_ECHA_IUCLID

Showing 7 of 7 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA (EU) 1 records
StatusNameEC NumberLink
Registered1-hexyl-1H-pyrazole-4,5-diamine sulfate (2:1)696-231-5ECHA overview →

SCCS Opinions

EU Scientific Committee opinions tied to the matched substance.

SOURCE EU SCCS 1 opinions
OpinionDateConclusionMax Conc.Concerns
SCCS/1562/1515 December 2015safe1.0%moderate skin sensitiser

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 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1)?

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) has 7 NOAEL studies in the database. The lowest reported value is 9L2QOQ6WFH UNII. Source: openFDA substances.

What regulatory lists include 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1)?

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) appears on 1 regulatory/inventory list including Europe; Personal care; restricted. Source: EPA CPDat.

Is 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) used in cosmetics?

Yes, 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) is also indexed as a cosmetic ingredient under the name 1-Hexyl 4,5-Diamino Pyrazole Sulfate. 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 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) 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.

Does 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) have different safety status in cosmetics vs industrial chemicals?

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) is classified GHS Danger (H301, H331, H312, H317, H372, H411) in the chemicals database but is restricted in EU cosmetics.

Is 1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) used outside industrial chemicals?

1H-​Pyrazole-​4,​5-​diamine, 1-​hexyl-​, sulfate (2:1) also appears in cosmetics databases.