Diethylaminosulfur trifluoride
[CAS# 38078-09-0]

Identification

• Classification: Organic raw materials >> Amino compound >> Acyclic monoamines, polyamines and their derivatives and salts
• Name: Diethylaminosulfur trifluoride
• Synonyms: DAST
• Molecular Formula: C₄H₁₀F₃NS
• Molecular Weight: 161.18
• CAS Registry Number: 38078-09-0
• EC Number: 253-771-2

Properties

• Density: 1.316
• Boiling point: 30-32 ºC (3 mmHg)
• Refractive index: 1.41-1.416
• Flash point: 23 ºC
• Water solubility: decomposes

Safety Data

• Hazard Symbols: C
• Risk Codes: R10;R14;R35;R5
• Safety Description: S16;S26;S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Skin corrosion	Skin Corr.	1B	H314
Skin corrosion	Skin Corr.	1A	H314
Serious eye damage	Eye Dam.	1	H318
Self-reactive substances or mixtures	Self-react.	C	H242

• Transport Information: UN 2920