1-Methoxy-2-propanol (PM, PGME, CAS 107-98-2) is low-toxic propylene-series glycol ether solvent. It contains both hydroxyl and ether functional groups, exhibiting excellent dissolving capacity for various resins, oils and polar substances, moderate evaporation rate and complete water miscibility. Widely used in water-borne coatings, printing inks, industrial cleaning agents, electronic solvents, coupling agents and chemical intermediates. Available in Industrial General Grade and High‑Purity Electronic Grade. TNJ Chemical is a professional manufacturer and exporter since 2001. We guarantee high-quality products, competitive prices and thoughtful service. If you want to buy or have any other inquiries, please contact sales@tnjchem.com
General Product Data
Product Name 1-Methoxy-2-propanol
CAS Number 107-98-2
EINECS‑EC 203-539-1Synonyms Propylene Glycol Monomethyl Ether; PGME; Dowanol PM; Methoxypropanol
Molecular Formula C4H10O2
Molecular Weight 90.12 g/mol
Chemical Family Propylene‑based glycol ether solvent
Available Grade Industrial General Grade; High-Purity Electronic GradeRegulatory Status REACH registered; Flammable liquid UN3092; Non-CMR, Non-PFAS, Non-nano
Physical & Chemical Characteristics
Physical form Colorless transparent clear liquidOdour Mild sweet ether‑like odour
Freezing Point ‑96 °C
Boiling Point 118‑121 °CFlash Point (Closed‑cup) 31 °C
Density (20 °C) 0.919‑0.924 g/cm³
Refractive Index n₂₀/D 1.402‑1.405Viscosity (20 °C) 1.7‑1.9 mPa·s
Solubility in water Fully miscible
Solubility Miscible with most organic solvents; dissolves acrylic, alkyd, epoxy resinspH (200 g/L solution) 4.0‑7.0
Processing hint Flammable liquid. Keep away from open flame and heat source. Avoid strong oxidizing agents.
Quality Requirements
| Test Parameter | Industrial General Grade | High‑Purity Electronic Grade | Test Method |
|---|---|---|---|
| Purity (GC) | ≥99.5 % | ≥99.9 % | Capillary GC |
| Color (Pt‑Co / APHA) | ≤15 | ≤10 | Colorimetry |
| Specific Gravity 20℃ | 0.919‑0.924 | 0.919‑0.924 | Pycnometer |
| Acidity (as Acetic Acid) | ≤0.02 % | ≤0.01 % | Titration |
| Water Content | ≤0.10 % | ≤0.05 % | Karl‑Fischer Titration |
| Isomer (2‑methoxy‑1‑propanol) | ≤0.40 % | ≤0.10 % | GC |
| Distillation Range | 116‑126 °C | 117‑123 °C | Distillation test |
Main Functions & Recommended Applications
Coating & Ink Industry: Coalescing solvent for water‑borne coatings; diluent and flow‑control agent for printing inks, improve leveling and gloss performance.
Cleaning Agent: High‑efficiency industrial degreaser, component for metal‑cleaning and electronic‑cleaning formulations.
Electronic Chemical: High‑purity grade used as solvent for photoresist and electronic material processing.
Chemical Intermediate: Raw material for manufacturing propylene glycol methyl ether acetate and other fine chemicals.
Other: Coupling agent for textile, agrochemical formulations.
Important note:
1‑Methoxy‑2‑propanol is flammable liquid, vapour can form explosive mixture with air. Workplace ventilation is required. End‑user shall validate suitability for own formulation and final application. Refer to SDS for full safety & hazard guidance.
Logistics & Storage Information
Packaging options: 200 kg steel drum; or as per request.
Lead‑time: Samples: 7-15 working days against deposit.
Storage condition: Keep container tightly closed. Store in cool, dry, well‑ventilated warehouse, keep away from heat source, alkali and oxidizing agents.
Shelf-life: 24 months under original sealed storage.
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