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(Cyanomethyl)(triphenyl)phosphonium chloride

Also known as: cyanomethyl(triphenyl)phosphanium,chloride, Cyanomethyl triphenylphosphonium chloride, Triphenyl(cyanomethyl)phosphonium chloride, NSC 92174, MFCD00031672, (Cyanmethyl)triphenylphosphoniumchlorid, (CYANOMETHYL)TRIPHENYLPHOSPHONIUM CHLORIDE

(Cyanomethyl)(triphenyl)phosphonium chloride (CAS 4336-70-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H17ClNP and a molecular weight of 337.782 g/mol. Key property: a melting point of 268-270 °C. 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.
4336-70-3
Jingsj CID
J-1115866-0
Molecular Formula
C20H17ClNP
Molecular Weight
337.782 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point268-270 °C
Exact Mass337.078705
PSA37.38000
LogP0.50808

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 (Cyanomethyl)(triphenyl)phosphonium chloride?

The CAS number of (Cyanomethyl)(triphenyl)phosphonium chloride is 4336-70-3.

What are the molecular formula and molecular weight of (Cyanomethyl)(triphenyl)phosphonium chloride?

(Cyanomethyl)(triphenyl)phosphonium chloride has molecular formula C20H17ClNP and molecular weight 337.782 g/mol.

Is (Cyanomethyl)(triphenyl)phosphonium chloride hazardous?

(Cyanomethyl)(triphenyl)phosphonium chloride 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 (Cyanomethyl)(triphenyl)phosphonium chloride?

For (Cyanomethyl)(triphenyl)phosphonium chloride, Upstream Products: Chloroacetonitrile, Triphenylphosphine, Trichloroacetonitrile; Downstream Products: 2-Amino-4-hydroxyquinoline hydrate, trans-Cinnamonitrile, Cinnamonitrile.

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

Last updated:

How to cite: Jingsj. "(Cyanomethyl)(triphenyl)phosphonium chloride (CAS 4336-70-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1115866-0 (accessed 2026-11-09).

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