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Diethylaminosulfur trifluoride

二乙胺基三氟化硫

Also known as: DAST, Diethylaminosulphur trifluoride, (Diethylamino)sulfur trifluoride, (N,N-diethylamino)sulfur trifluoride, Diethylaminotrifluorosulfur, N-Ethyl-N-(trifluoro-λ4-sulfanyl)ethanamine, Sulfur, (diethylamino)trifluoro-

Diethylaminosulfur trifluoride (CAS 38078-09-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C4H10F3NS and a molecular weight of 161.189 g/mol. It is also known as DAST, Diethylaminosulphur trifluoride and (Diethylamino)sulfur trifluoride. Key properties include a boiling point of 163.7±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 23.9±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38078-09-0
Jingsj CID
J-45618-4
Molecular Formula
C4H10F3NS
Chinese Name
二乙胺基三氟化硫
Molecular Weight
161.189 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point163.7±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point23.9±0.0 °C

GHS Safety & Compliance

Flammable / Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Diethylaminosulfur trifluoride?

The CAS number of Diethylaminosulfur trifluoride is 38078-09-0.

What are the molecular formula and molecular weight of Diethylaminosulfur trifluoride?

Diethylaminosulfur trifluoride has molecular formula C4H10F3NS and molecular weight 161.189 g/mol.

Is Diethylaminosulfur trifluoride hazardous?

Diethylaminosulfur trifluoride has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Diethylaminosulfur trifluoride (CAS 38078-09-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45618-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.