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Dipropylene Glycol

Dipropylene Glycol

CAS Number: 25265-71-8

Molecular Formula: C6H14O3

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
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

Protection

Keep away from incompatible substances

Packaging Options

200 kg drums, IBC tanks, pharma-grade flexitanks

COA
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Dipropylene Glycol FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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