1,3-Propanediol
[CAS# 504-63-2]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty alcohol
• Name: 1,3-Propanediol
• Synonyms: Trimethylene glycol; Propane-1,3-diol
• Molecular Formula: C₃H₈O₂
• Molecular Weight: 76.09
• CAS Registry Number: 504-63-2
• EC Number: 207-997-3

Properties

• Density: 1.052
• Melting point: -32 ºC
• Boiling point: 214 ºC
• Refractive index: 1.438-1.44
• Flash point: 140 ºC
• Water solubility: 100 g/L

Safety Data

• Safety Description: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302