1-Propanethiol
[CAS# 107-03-9]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Thiol perfume
• Name: 1-Propanethiol
• Synonyms: Propyl mercaptan
• Molecular Formula: C₃H₈S
• Molecular Weight: 76.16
• CAS Registry Number: 107-03-9
• EC Number: 203-455-5
• FEMA: 3521

Properties

• Density: 0.841
• Melting point: -113 °C
• Boiling point: 67-68 °C
• Refractive index: 1.437-1.439
• Flash point: -20 °C
• Water solubility: immiscible

Safety Data

• Hazard Symbols: F;Xn;N
• Risk Statements: R11;R21/22;R36/37/38;R50
• Safety Statements: S16;S26;S29;S36/37/39;S57

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Flammable liquids	Flam. Liq.	2	H225
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Skin sensitization	Skin Sens.	1B	H317
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	3	H331
Specific target organ toxicity - single exposure	STOT SE	3	H336

• Transport Information: UN 2402