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Tetramethylphosphonium bromide

四甲基溴化磷

Also known as: Tetramethylphosphonium bromide 98%, Tetramethylphosphoniumbromide,98%, tetramethylphosphanium, tetramethylphosphanium,bromide, MFCD00011802, NSC 617067

Tetramethylphosphonium bromide (CAS 4519-28-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H12BrP and a molecular weight of 171.01600 g/mol. It is also known as Tetramethylphosphonium bromide 98%, Tetramethylphosphoniumbromide,98% and tetramethylphosphanium. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4519-28-2
Jingsj CID
J-13882-2
Molecular Formula
C4H12BrP
Chinese Name
四甲基溴化磷
Molecular Weight
171.01600 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass169.98600
PSA13.59000
Appearancecrystal | colorless
Additional PropertyInsoluble in water.

Customs & Trade Information

HS Code2931900090
Summary2931900090. 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 Tetramethylphosphonium bromide?

The CAS number of Tetramethylphosphonium bromide is 4519-28-2.

What are the molecular formula and molecular weight of Tetramethylphosphonium bromide?

Tetramethylphosphonium bromide has molecular formula C4H12BrP and molecular weight 171.01600 g/mol.

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

Last updated:

How to cite: Jingsj. "Tetramethylphosphonium bromide (CAS 4519-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13882-2 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.