Glycols & Polyols Available — Bulk Only

Dipropylene Glycol Monomethyl Ether (DPM)

CAS 34590-94-8 · Formula C7H16O3 · MW 148.20 g/mol

A high-boiling, water- and solvent-miscible glycol ether used to couple and coalesce water-borne coatings and cleaners. It is used as a coalescing and coupling solvent in water-based coatings and hard-surface cleaners, as a solvent for nitrocellulose and synthetic resins, and in hydraulic fluids.

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HS Code
2909.49
At a Glance
Material Family
Glycols & Polyols
Record Type
Pure compound
Primary Role
Solvency · Cleaning / Degreasing
Functional Roles
Solvency Cleaning / Degreasing
INCI Name
PPG-2 METHYL ETHER
CosIng Functions
PERFUMINGSOLVENT
Industries Served
Agriculture Beauty & Personal Care Coatings & Construction HI&I Cleaning Oil & Gas
Applications & Use Cases
  • ▸ Water-based coatings: Coalescing and coupling solvent for latex coatings
  • ▸ Hard-surface cleaners: Coupling solvent in household and industrial cleaners
  • ▸ Resin solvent: Solvent for nitrocellulose and synthetic resins
  • ▸ Hydraulic fluids: Component of hydraulic and brake-fluid formulations
  • ▸ Polishes: Coupling agent in water-based polishes
Physical Properties
Physical Description
Dipropylene glycol methyl ether is a colorless liquid with a weak odor
Appearance
Colorless liquid
Odor
MILD ETHER ODOR IN MODERATE CONCN BUT A STRONG OBJECTIONABLE ODOR @ 1000 PPM
Taste
BITTER TASTE
Boiling Point
184 °C at 760 mmHg
Melting Point
FREEZING POINT: -80 °C
Flash Point
85 °C (85 °C) (CLOSED CUP)
Solubility
COMPLETELY MISCIBLE WITH ACETONE, ETHANOL, BENZENE, CARBON TETRACHLORIDE, ETHER, METHANOL, MONOCHLOROBENZENE & PETROLEUM ETHER
Density
0.951 at 20 °C
Vapor Density
5.11
Vapor Pressure
0.5 mmHg
Viscosity
3.5 CENTIPOISE @ 25 °C
Odor Threshold
210 mg/cu m odor low; 6000 mg/cu m odor high
Refractive Index
INDEX OF REFRACTION: 1.419 @ 25 °C
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2909 . 49
Chapter 29
Organic chemicals
Heading 29.09
Internationally harmonized (WCO HS)
Subheading 2909.49
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
34590-94-8
Molecular Formula
C7H16O3
Molecular Weight
148.20 g/mol
IUPAC Name
1-(1-methoxypropan-2-yloxy)propan-2-ol
INCI Name
PPG-2 METHYL ETHER
PubChem CID
25484
InChI Key
WGYZMNBUZFHYRX-UHFFFAOYSA-N
Synonyms & Trade Names
PPG-2 methyl ether Propanol, 1(or 2)-(2-methoxymethylethoxy)- Kino-red Arcosolv DPM Glysolv DPM Ucar solvent 2LM Dowanol-50B DPGME HISOLVE DPM Dipropylene glycol, monomethyl ether Dowanol 50b ARCOSOLV Dipropylene glycol methyl ether Dipropylene glycol monomethyl ether 1-((1-Methoxypropan-2-yl)oxy)propan-2-ol 2-Propanol, 1-(2-methoxy-1-methylethoxy)- 1-(2-Methoxy-1-methylethoxy)propan-2-ol 1-(2-METHOXY-1-METHYLETHOXY)-2-PROPANOL
Full Description

Dipropylene glycol monomethyl ether (CAS 34590-94-8), or DPM, is a slow-evaporating glycol ether solvent. It is used as a coalescing and coupling solvent in water-based coatings and hard-surface cleaners, as a solvent for nitrocellulose and synthetic resins, and in hydraulic fluids.

Frequently Asked Questions

What is dipropylene glycol monomethyl ether (DPM) used for?

DPM is a slow-evaporating glycol ether solvent used as a coalescing and coupling solvent in water-based (latex) coatings and hard-surface cleaners, as a solvent for nitrocellulose and synthetic resins, in hydraulic and brake-fluid formulations, and as a coupling agent in water-based polishes.

What is the difference between DPM and dipropylene glycol dimethyl ether?

DPM is the monomethyl ether (one methyl ether group, one free hydroxyl; CAS 34590-94-8, C7H16O3). The dimethyl ether (proglyde DMM) has both hydroxyls capped and is a different, more aprotic solvent. Confirm the CAS on the CoA to get the correct material.

What is the CAS number and formula of DPM?

CAS 34590-94-8, molecular formula C7H16O3 (a mixture of isomers). It is also sold as DPGME or DPnP-type glycol ether. Identity, isomer profile, and physical properties are documented on the CoA and SDS.

Is DPM the same as its acetate (DPMA)?

No. DPM is the glycol ether alcohol; DPM acetate (DPMA) is the acetate ester, a separate product with different evaporation and solvency. If you need the acetate, specify it on your RFQ and confirm CAS on the CoA.

How is bulk DPM packaged and quoted?

DPM is supplied in drums, totes, or bulk to coatings and cleaner formulators. Pricing depends on volume, packaging, and destination; submit a bulk RFQ with your quantity for a current quote, CoA, and SDS.

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Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.

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