Propylene Glycol - USP grade
| Formula: | C₃H₈O₂ |
| CAS Number: | 57-55-6 |
| EC Number (EINECS): | 200-338-0 |
| HS Code: | 29041000 |
| UN Number: | Not classified as hazardous |
| IUPAC Name: | Propane-1,2-diol |
| Also Known As: | 1,2-Propylene Glycol; PG |
| Molecular Weight, g/mol: | 76.09 |
Typical Specifications
| Appearance: | Clear, colorless, viscous liquid |
| Odor: | Odorless to mild |
| Melting Point, °C: | -59 |
| Boiling Point, °C: | 188.2 |
| Density, g/cm³ (at 20°C): | 1.036–1.038 |
| Flash Point, °C: | 99 (Closed Cup) |
| Refractive Index (20°C): | 1.431–1.434 |
| Solubility: | Miscible with water, alcohols, acetone; slightly soluble in hydrocarbons |
| pH (1% solution): | 6.5–7.5 |
| Vapor Pressure (at 20°C): | 0.1 mmHg |
| Purity, %: | ≥99.5 |
| Grades Available: | USP, Food Grade, Technical |
| Packaging: | Drums, IBCs, bulk |
Applications / Uses
Primary Applications
-
Solvent and humectant in pharmaceuticals and cosmetics
-
Carrier for flavorings and food additives (USP compliant)
-
Ingredient in parenteral, oral, and topical pharmaceutical formulations
Secondary Applications
-
Humectant and stabilizer in personal care products
-
Anti-freeze and de-icing fluids (industrial grade)
-
Intermediate in specialty chemical production
End Industries Served:
Pharmaceuticals, Personal Care, Food & Beverage, Industrial Manufacturing
Safety & Handling Information
Hazard Class (GHS): Generally low toxicity
Hazard Statements (H-Codes):
-
Not classified as hazardous under GHS
Precautionary Statements (P-Codes):
-
P264: Wash hands thoroughly after handling
-
P280: Wear protective gloves/eye protection
Storage Conditions
-
Store in a cool, dry, well-ventilated area
-
Keep containers tightly closed
-
Avoid contamination with strong oxidizers
Transport Information
-
ADR/RID: Not classified as dangerous goods
-
IMDG: Not classified as dangerous goods
-
IATA: Not classified as dangerous goods
Regulatory Information
-
REACH Status (EU): Registered
-
TSCA (USA): Listed
-
USP/NF Compliant: Yes
-
ISO Certification: Available on request
-
Country Standards: Complies with USP and food/pharma grade standards
Additional Information
-
Shelf Life: 3 years (sealed, stored properly)
-
Country of Origin: [To be filled – e.g., USA, China, EU]
-
Typical Packaging Sizes: Drums, IBCs, bulk
-
Storage Temperature: Ambient
-
Stability: Stable under normal storage and handling conditions