Di-tert-butyl chloromethyl phosphate

二叔丁基氯甲基磷酸酯

Also known as: Di-tert-butyl chloromethyl phosphate, Phosphoric acid di-tert-butyl chloromethyl ester, Chloromethyl di-tert-butyl phosphate, Phosphoric acid di-tert-butyl ester chloromethyl ester, Phosphoric acid di-t-butyl ester chloromethyl ester, Ditert-butyl chloromethyl phosphate

Di-tert-butyl chloromethyl phosphate (CAS 229625-50-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H20ClO4P and a molecular weight of 258.680 g/mol. It is also known as Phosphoric acid di-tert-butyl chloromethyl ester, Chloromethyl di-tert-butyl phosphate and Phosphoric acid di-tert-butyl ester chloromethyl ester. Key properties include a boiling point of 272.9±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 139.0±30.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
229625-50-7
Jingsj CID
J-1503463-2
Molecular Formula
C9H20ClO4P
Chinese Name
二叔丁基氯甲基磷酸酯
Molecular Weight
258.680 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point272.9±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point139.0±30.2 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Di-tert-butyl chloromethyl phosphate?

The CAS number of Di-tert-butyl chloromethyl phosphate is 229625-50-7.

What are the molecular formula and molecular weight of Di-tert-butyl chloromethyl phosphate?

Di-tert-butyl chloromethyl phosphate has molecular formula C9H20ClO4P and molecular weight 258.680 g/mol.

Is Di-tert-butyl chloromethyl phosphate hazardous?

Di-tert-butyl chloromethyl phosphate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Di-tert-butyl chloromethyl phosphate (CAS 229625-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503463-2 (accessed 2026-10-23).

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