methyl 4-(triphenylphosphonio)crotonate bromide
4-(三苯磷基)巴豆酸甲酯溴化物
Also known as: (3-(methoxycarbonyl)-2-propen-1-yl)triphenylphosphonium bromide, (3-carbomethoxy-2-propenyl)triphenylphosphonium bromide, phosphonium, (4-methoxy-4-oxo-2-buten-1-yl)triphenyl-, bromide (1:1), EINECS 218-557-5, MFCD00031575
methyl 4-(triphenylphosphonio)crotonate bromide (CAS 2181-98-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H22BrO2P and a molecular weight of 441.29700 g/mol. It is also known as (3-(methoxycarbonyl)-2-propen-1-yl)triphenylphosphonium bromide, (3-carbomethoxy-2-propenyl)triphenylphosphonium bromide and phosphonium, (4-methoxy-4-oxo-2-buten-1-yl)triphenyl-, bromide (1:1). Key property: a melting point of 175°C (dec.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2181-98-8
- Jingsj CID
- J-30675-1
- Molecular Formula
- C23H22BrO2P
- Chinese Name
- 4-(三苯磷基)巴豆酸甲酯溴化物
- Molecular Weight
- 441.29700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 175°C (dec.) |
|---|
Frequently Asked Questions
What is the CAS number of methyl 4-(triphenylphosphonio)crotonate bromide?
The CAS number of methyl 4-(triphenylphosphonio)crotonate bromide is 2181-98-8.
What are the molecular formula and molecular weight of methyl 4-(triphenylphosphonio)crotonate bromide?
methyl 4-(triphenylphosphonio)crotonate bromide has molecular formula C23H22BrO2P and molecular weight 441.29700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "methyl 4-(triphenylphosphonio)crotonate bromide (CAS 2181-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30675-1 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.