NOAEL Data REACH Registered Cosmetic Ingredient

2,2-Dimethylpropane-1,3-diol

Also known as: Neopentyl glycol, 4-01-00-02551, BRN 0605291, 2,2-Dimethyl-1,3 propanediol, Dimethyltrimethylene glycol (+2 more)

CAS 126-30-7

2,2-Dimethylpropane-1,3-diol (CAS 126-30-7) is a chemical substance. Key regulatory status: REACH registered, 4 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS, ECHA REACH, ILO ICSC.

View cosmetic safety profile for NEOPENTYL GLYCOL →

SOURCE NOAEL studies
NOAEL studies
9
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 12 fields
Name
2,2-Dimethylpropane-1,3-diol
CAS Number
126-30-7
Molecular Formula
C5H12O2
InChI Key
SLCVBVWXLSEKPL-UHFFFAOYSA-N
Monoisotopic Mass
104.08373
Synonyms
Neopentyl glycol4-01-00-02551BRN 06052912,2-Dimethyl-1,3 propanediolDimethyltrimethylene glycolEINECS 204-781-0UNII-QI80HXD6S5

ICSC Chemical Safety

International Chemical Safety Card hazard and exposure summary.

SOURCE WHO/JECFA 1 records
FieldValue
Short-term EffectsThe substance is irritating to the eyes and respiratory tract.
Routes of ExposureThe substance can be absorbed into the body by inhalation of its aerosol and by ingestion.

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 12 records
SolventPlasticizer

Regulatory Lists

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

SOURCE EPA CPDat 4 records
ListKeywordSource
drinking_water; Europe; manufacturing; plastic_additiveBelgaquaCPCat
CEDIFDAUnited States Food and Drug Administration (FDA)
Indirect additives food contact (10/2018)FDAUnited States Food and Drug Administration (FDA)
inert_ingredient; non_food_use; PesticidesEPACPCat

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 9 of 9 studies
ValueUnitEndpointRouteSpeciesSource
=35mg/m3DNEL systemicinhalationHumanToxValDB GESTIS DNEL
QI80HXD6S5UNIIFDA UNII substance identifier--openFDA substances
>=3200mg/kg bw/dayLELoralRatECHA
<=6400mg/kg bw/dayLELoralRatECHA
0unitlessModel Score--NTP ICE endocrine
=300mg/kg bw/dayNOAELoralRatECHA
=1000mg/kg bw/dayNOAELoralRatECHA
=1000mg/kg bw/dayNOAELoralRatToxValDB HPVIS
=100mg/kg bw/dayNOELoralRatECHA

Showing 9 of 9 studies

REACH Registration

Registration status from the ECHA REACH registered substances database.

SOURCE ECHA 1 records
StatusNameEC NumberLink
Registered2,2-dimethylpropane-1,3-diol204-781-0ECHA overview →

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
Solvents
View full cosmetic safety profile →

Pharmaceutical Data

Same-CAS pharmaceutical records from drug and bioactivity sources.

SOURCE ChEMBL / DailyMed CHEMBL3184801
ChEMBL Phase
Not listed
Adverse Events
0
Bioactivity
0
View full pharmaceutical profile →

Frequently Asked Questions

What is the NOAEL for 2,2-Dimethylpropane-1,3-diol?

2,2-Dimethylpropane-1,3-diol has 9 NOAEL studies in the database. The lowest reported value is 35 mg/m3 via inhalation in Human. Source: ToxValDB GESTIS DNEL.

What regulatory lists include 2,2-Dimethylpropane-1,3-diol?

2,2-Dimethylpropane-1,3-diol appears on 4 regulatory/inventory lists including drinking_water; Europe; manufacturing; plastic_additive, CEDI, Indirect additives food contact (10/2018), and 1 more. Source: EPA CPDat.

Is 2,2-Dimethylpropane-1,3-diol used in cosmetics?

Yes, 2,2-Dimethylpropane-1,3-diol is also indexed as a cosmetic ingredient under the name NEOPENTYL GLYCOL. 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 2,2-Dimethylpropane-1,3-diol come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, ECHA REACH, ILO/WHO ICSC, CosIng / Ingredients DB, ChEMBL / DailyMed. All data traces to primary regulatory sources and is updated from official government databases.

Does 2,2-Dimethylpropane-1,3-diol have different safety status in cosmetics vs industrial chemicals?

2,2-Dimethylpropane-1,3-diol is classified GHS Danger (H315, H318, H319) in the chemicals database but is allowed in EU cosmetics.

Is 2,2-Dimethylpropane-1,3-diol used outside industrial chemicals?

2,2-Dimethylpropane-1,3-diol also appears in cosmetics, pharmaceutical databases.