tert-Butyl isothiocyanate

叔丁基异硫氰酸酯

Also known as: tert-Butyl isothiocyanate, TERT-BUTYL ISOTHIOCYANATE, 2-isothiocyanato-2-methylpropane, 2-isothiocyanato-2-methyl-propan, AKOS BC-1285, BUTYL ISOTHIOCYANATE, TERT-, Isothiocyanic acid, tert-butyl ester, MFCD00004816, Propane, 2-isothiocyanato-2-methyl-, T-BUTYL ISOTHIOCYANATE

tert-Butyl isothiocyanate (CAS 590-42-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NS and a molecular weight of 115.197 g/mol. It is also known as TERT-BUTYL ISOTHIOCYANATE, 2-isothiocyanato-2-methylpropane and 2-isothiocyanato-2-methyl-propan. Key properties include a melting point of 8-11 °C, a boiling point of 141.6±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 38.3±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
590-42-1
Jingsj CID
J-5626-9
Molecular Formula
C5H9NS
Chinese Name
叔丁基异硫氰酸酯
Molecular Weight
115.197 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point8-11 °C
Boiling Point141.6±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point38.3±0.0 °C

GHS Safety & Compliance

Flammable / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of tert-Butyl isothiocyanate?

The CAS number of tert-Butyl isothiocyanate is 590-42-1.

What are the molecular formula and molecular weight of tert-Butyl isothiocyanate?

tert-Butyl isothiocyanate has molecular formula C5H9NS and molecular weight 115.197 g/mol.

Is tert-Butyl isothiocyanate hazardous?

tert-Butyl isothiocyanate 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. "tert-Butyl isothiocyanate (CAS 590-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5626-9 (accessed 2026-10-22).

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