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(S)-(-)-α-Methylbenzyl isocyanide

Also known as: (S)-(-)-1-Phenylethyl isocyanide, [(1S)-1-Isocyanoethyl]benzene, [(1S)-1-Phenylethyl] isocyanide, MFCD02683482

(S)-(-)-α-Methylbenzyl isocyanide (CAS 21872-32-2) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H9N and a molecular weight of 131.17400 g/mol. Key properties include a boiling point of 220 °C(lit.) and a flash point of 89 °C(闭杯). It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21872-32-2
Jingsj CID
J-1075-3
Molecular Formula
C9H9N
Molecular Weight
131.17400 g/mol
Category
Nitrogen Compounds
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point220 °C(lit.)
Flash Point89 °C(闭杯)
Exact Mass131.07300
LogP1.89760
Refractive Indexn20/D 1.506(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of (S)-(-)-α-Methylbenzyl isocyanide?

The CAS number of (S)-(-)-α-Methylbenzyl isocyanide is 21872-32-2.

What are the molecular formula and molecular weight of (S)-(-)-α-Methylbenzyl isocyanide?

(S)-(-)-α-Methylbenzyl isocyanide has molecular formula C9H9N and molecular weight 131.17400 g/mol.

Is (S)-(-)-α-Methylbenzyl isocyanide hazardous?

(S)-(-)-α-Methylbenzyl isocyanide has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of (S)-(-)-α-Methylbenzyl isocyanide?

For (S)-(-)-α-Methylbenzyl isocyanide, Downstream Products: 2-Phenylpropionitrile.

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)-(-)-α-Methylbenzyl isocyanide (CAS 21872-32-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1075-3 (accessed 2026-11-06).

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