NOAEL Data Cosmetic Ingredient

2,5-Dimethylpyrazine

Also known as: 2,5-Dimethyl-1,4-diazine, 2,5-Dimethylparadiazine, 2,5-Dimethylpiazine, EINECS 204-618-3, FEMA No. 3272 (+6 more)

CAS 123-32-0

2,5-Dimethylpyrazine (CAS 123-32-0) is a chemical substance. Key regulatory status: 5 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for 2,5-DIMETHYLPYRAZINE →

SOURCE noael studies public
NOAEL studies
5
SOURCE chemical inventory jurisdictions
Regulatory lists
5
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 17 fields
Name
2,5-Dimethylpyrazine
CAS Number
123-32-0
DTXSID
DTXSID6047652
Molecular Formula
C6H8N2
InChI Key
LCZUOKDVTBMCMX-UHFFFAOYSA-N
Monoisotopic Mass
108.068748
Synonyms
2,5-Dimethyl-1,4-diazine2,5-Dimethylparadiazine2,5-DimethylpiazineEINECS 204-618-3FEMA No. 3272UNII-V99Y0MUY1Q2, 5-Dimethylpyrazine2,5-Dimethyl pyrazine2,5-Dimethyl-PyrazineFEMA 3272PYRAZINE,2,5-DIMETHYL

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 5 records
FragranceFlavouring and nutrient

Regulatory Lists

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

SOURCE EPA CPDat 5 records
ListKeywordSource
Australia; Food and drug - smoking-related productsNew Zealand ESRCPCat
IFRA TransparencyIFRAIFRA
EuropeEuropean CommissionFl@vis
food_additive; Substances Added to Food (formerly EAFUS) (2/2019)FDAUnited States Food and Drug Administration (FDA)
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 5 of 5 studies
ValueUnitEndpointRouteSpeciesSource
V99Y0MUY1QUNIIFDA UNII substance identifier--openFDA substances
V99Y0MUY1QUNIIFDA UNII substance identifier--openFDA substances
V99Y0MUY1QUNIIFDA UNII substance identifier--openFDA substances
V99Y0MUY1QUNIIFDA UNII substance identifier--openFDA substances
=1020mg/kg bwLD50oralRatNTP_ICE_acute_oral

Showing 5 of 5 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
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE EMBL-EBI ChEMBL CHEMBL94709
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
1
View full pharmaceutical profile →

Food Safety Data

Same-CAS food additive, ADI, and GRAS records where available.

SOURCE EFSA / FDA GRAS 1 records

ADI: No safety concern at current levels of intake when used as a flavouring agent mg/kg bw

View full food safety profile →

Cannabis Data

Same-CAS cannabis compliance and lab records where available.

SOURCE Cannabis regulatory / lab data efsa substances

1 cannabis record found in efsa substances.

View full cannabis profile →

Frequently Asked Questions

What is the NOAEL for 2,5-Dimethylpyrazine?

2,5-Dimethylpyrazine has 5 NOAEL studies in the database. The lowest reported value is V99Y0MUY1Q UNII. Source: openFDA substances.

What regulatory lists include 2,5-Dimethylpyrazine?

2,5-Dimethylpyrazine appears on 5 regulatory/inventory lists including Australia; Food and drug - smoking-related products, IFRA Transparency, Europe, and 2 more. Source: EPA CPDat.

Is 2,5-Dimethylpyrazine used in cosmetics?

Yes, 2,5-Dimethylpyrazine is also indexed as a cosmetic ingredient under the name 2,5-DIMETHYLPYRAZINE. 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 2,5-Dimethylpyrazine come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB, ChEMBL / DailyMed, EFSA / FDA GRAS, cannabis regulatory/lab databases. All data traces to primary regulatory sources and is updated from official government databases.

Is 2,5-Dimethylpyrazine used outside industrial chemicals?

2,5-Dimethylpyrazine also appears in cosmetics, pharmaceutical, food safety, cannabis databases.