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Diethyl (4-bromobenzyl)phosphonate

Also known as: 1-bromo-4-(diethoxyphosphorylmethyl)benzene, 4-bromo-1-diethylphosphonomethyl-benzene, diethyl 4-bromobenzylphosphonate, diethyl [(4-bromophenyl)methyl]phosphonate, (4-bromobenzyl)phosphonic acid diethyl ester

Diethyl (4-bromobenzyl)phosphonate (CAS 38186-51-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H16BrO3P and a molecular weight of 307.12100 g/mol. Key properties include a boiling point of 376.023ºC at 760 mmHg and a density of 1.366 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
38186-51-5
Jingsj CID
J-1071381-2
Molecular Formula
C11H16BrO3P
Molecular Weight
307.12100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point376.023ºC at 760 mmHg
Density1.366 g/cm3
Exact Mass306.00200
PSA45.34000
LogP4.21520
Refractive Index1.515

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 Diethyl (4-bromobenzyl)phosphonate?

The CAS number of Diethyl (4-bromobenzyl)phosphonate is 38186-51-5.

What are the molecular formula and molecular weight of Diethyl (4-bromobenzyl)phosphonate?

Diethyl (4-bromobenzyl)phosphonate has molecular formula C11H16BrO3P and molecular weight 307.12100 g/mol.

What are the upstream and downstream products of Diethyl (4-bromobenzyl)phosphonate?

For Diethyl (4-bromobenzyl)phosphonate, Upstream Products: Diethyl phosphite, 4-Bromobenzyl bromide, Triethyl phosphite; Downstream Products: (4-(2,2-diphenylethenyl)phenyl)boronic acid, trans-4,4'-Dibromostilbene, 2-(4-Bromophenyl)-1,1-diphenylethylene.

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

Last updated:

How to cite: Jingsj. "Diethyl (4-bromobenzyl)phosphonate (CAS 38186-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071381-2 (accessed 2026-11-09).

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