3-Mercapto-1,2-propanediol
[CAS# 96-27-5]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty alcohol
• Name: 3-Mercapto-1,2-propanediol
• Synonyms: 1-Thioglycerol
• Molecular Formula: C₃H₈O₂S
• Molecular Weight: 108.16
• CAS Registry Number: 96-27-5
• EC Number: 202-495-0

Properties

• Density: 1.23
• Boiling point: 118 ºC (5 mmHg)
• Refractive index: 1.5073-1.5273
• Water solubility: slightly soluble

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S23

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	3	H311
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H331
Skin sensitization	Skin Sens.	1B	H317
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	4	H312
Skin sensitization	Skin Sens.	1A	H317
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Eye irritation	Eye Irrit.	2A	H319

• Transport Information: UN 2810