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(S)-(+)-2-Methylbutyronitrile

Also known as: (2S)-2-Methylbutanenitrile, Butanenitrile, 2-methyl-, (2S)-, (S)-2-Methylbutanenitrile, MFCD00063013, (+)-(S)-2-methylbutane nitrile

(S)-(+)-2-Methylbutyronitrile (CAS 25570-03-0) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C5H9N and a molecular weight of 83.13170 g/mol. Key properties include a boiling point of 125-126ºC(lit.), a density of 0.786 g/mL at 25ºC(lit.) and a flash point of 24.4 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
25570-03-0
Jingsj CID
J-1992427-7
Molecular Formula
C5H9N
Molecular Weight
83.13170 g/mol
Category
Nitrogen Compounds
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point125-126ºC(lit.)
Density0.786 g/mL at 25ºC(lit.)
Flash Point24.4 °C
Exact Mass83.07350
PSA23.79000
LogP1.55608
Vapor Pressure11.2mmHg at 25°C
Refractive Indexn20/D 1.39(lit.)

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (S)-(+)-2-Methylbutyronitrile?

The CAS number of (S)-(+)-2-Methylbutyronitrile is 25570-03-0.

What are the molecular formula and molecular weight of (S)-(+)-2-Methylbutyronitrile?

(S)-(+)-2-Methylbutyronitrile has molecular formula C5H9N and molecular weight 83.13170 g/mol.

Is (S)-(+)-2-Methylbutyronitrile hazardous?

(S)-(+)-2-Methylbutyronitrile has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.

What are the upstream and downstream products of (S)-(+)-2-Methylbutyronitrile?

For (S)-(+)-2-Methylbutyronitrile, Upstream Products: L-Isoleucine, 2-Methylbutanoic acid, (S)-2-Methylbutanoyl chloride; Downstream Products: (S)-(-)-2-Methylbutylamine.

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

Last updated:

How to cite: Jingsj. "(S)-(+)-2-Methylbutyronitrile (CAS 25570-03-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992427-7 (accessed 2026-11-09).

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