2-Methylbutyl isothiocyanate

Also known as: 1-Isothiocyanato-2-methylbutane, 2-Methyl-1-butyl isothiocyanate, Butane, 1-isothiocyanato-2-methyl-, 2-Methyl-butyl-isothiocyanat

2-Methylbutyl isothiocyanate (CAS 4404-51-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11NS and a molecular weight of 129.22300 g/mol. Key properties include a boiling point of 84ºC and a density of 0.95. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4404-51-7
Jingsj CID: J-49581-8
Molecular Formula: C₆H₁₁NS
Molecular Weight: 129.22300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	84ºC
Density	0.95
Exact Mass	129.06100
PSA	44.45000
LogP	2.13530
Refractive Index	1.484

Customs & Trade Information

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Methylbutyl isothiocyanate?

The CAS number of 2-Methylbutyl isothiocyanate is 4404-51-7.

What are the molecular formula and molecular weight of 2-Methylbutyl isothiocyanate?

2-Methylbutyl isothiocyanate has molecular formula C6H11NS and molecular weight 129.22300 g/mol.

What are the upstream and downstream products of 2-Methylbutyl isothiocyanate?

For 2-Methylbutyl isothiocyanate, Upstream Products: Thiophosgene, (S)-(-)-2-Methylbutylamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Methylbutyl isothiocyanate (CAS 4404-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49581-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.