(Bromomethyl)triphenylphosphonium bromide

Also known as: Bromomethyltriphenylphosphonium bromide, Triphenyl(bromomethyl)phosphonium bromide, Phosphonium, (bromomethyl)triphenyl-, bromide (1:1), NSC 193751, MFCD00011864

(Bromomethyl)triphenylphosphonium bromide (CAS 1034-49-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H17Br2P and a molecular weight of 436.120 g/mol. Key property: a melting point of 234-236 °C(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1034-49-7
Jingsj CID: J-1119468-6
Molecular Formula: C₁₉H₁₇Br₂P
Molecular Weight: 436.120 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	234-236 °C(lit.)
Exact Mass	433.943451
PSA	13.59000
LogP	1.33690

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (Bromomethyl)triphenylphosphonium bromide?

The CAS number of (Bromomethyl)triphenylphosphonium bromide is 1034-49-7.

What are the molecular formula and molecular weight of (Bromomethyl)triphenylphosphonium bromide?

(Bromomethyl)triphenylphosphonium bromide has molecular formula C19H17Br2P and molecular weight 436.120 g/mol.

Is (Bromomethyl)triphenylphosphonium bromide hazardous?

(Bromomethyl)triphenylphosphonium bromide has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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. "(Bromomethyl)triphenylphosphonium bromide (CAS 1034-49-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119468-6 (accessed 2026-11-09).

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