Low Toxicity: Safe-pharmaceutical and personal care useMultifunctional: Solubilizer, humectant, stabilizerRegulatory: Major pharmacopeias Approved (USP/NF, Ph.Eur)
About Dipropylene Glycol
Dipropylene Glycol (DPG) is high-purity, low-odor solvent that serves as the "backbone" of the fragrance and personal care industries. In April 2026, it remains the aroma chemical's preferred fragrance diluent due to its excellent co-solvency and near-total lack of scent, which prevents interference with complex perfum...
Dipropylene Glycol Specifications
CAS Number
25265-71-8
Molecular Formula
C6H14O3
IUPAC Name
1-(1-hydroxypropoxy)propan-1-ol
InChI Key
QYSXYAURTRCDJU-UHFFFAOYSA-N
InChI
1S/C6H14O3/c1-3-5(7)9-6(8)4-2/h5-8H,3-4H2,1-2H3
PubChem CID
6537503
EINECS Number
246-770-3
MDL Number
MFCD00002939
UNSPSC Code
12352100
HSN No
29094900
CAS Number
25265-71-8
Molecular Formula
C6H14O3
IUPAC Name
1-(1-hydroxypropoxy)propan-1-ol
InChI Key
QYSXYAURTRCDJU-UHFFFAOYSA-N
InChI
1S/C6H14O3/c1-3-5(7)9-6(8)4-2/h5-8H,3-4H2,1-2H3
PubChem CID
6537503
EINECS Number
246-770-3
MDL Number
MFCD00002939
UNSPSC Code
12352100
HSN No
29094900
Appearance
Clear, colorless liquid
Odor
Low to practically odorless
Boiling Point
~230°C
Melting Point
< -40°C
Density
1.023 g/cm³
Solubility
Miscible with water, alcohols, esters, and ketones
Shelf Life
2 years
GHS Classification
Not classified as hazardous per GHS standards under typical use
(H) Statements
None identified under GHS (may cause mild irritation with prolonged exposure)
(P) Statements
P280: Wear protective gloves/eye protection if handling large volumes
P273: Avoid release to the environment
Solvent Use
Carrier for fragrances, actives, and resins
Fragrance/Personal Care
Acts as fixative in perfumes and hygiene products
Excipient Role
Used in oral, topical, and injectable pharmaceutical formulations
Storage Conditions
Store in tightly closed container in cool, dry, ventilated area