tert-Butylphosphonic dichloride
叔丁基二氯磷酸
Also known as: tert-Butyldichlorophosphine oxide, tert-Butylphosphonyl dichloride, (1,1-Dimethylethyl)dichlorophosphine oxide, 2-dichlorophosphoryl-2-methylpropane, P-(1,1-Dimethylethyl)phosphonic dichloride, Phosphonic dichloride, P-(1,1-dimethylethyl)-
tert-Butylphosphonic dichloride (CAS 4707-95-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9Cl2OP and a molecular weight of 174.99300 g/mol. It is also known as tert-Butyldichlorophosphine oxide, tert-Butylphosphonyl dichloride and (1,1-Dimethylethyl)dichlorophosphine oxide. Key properties include a melting point of 121-123 °C(lit.), a boiling point of 195.2ºC at 760 mmHg, a density of 1.236g/cm3 and a flash point of 71.8ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4707-95-3
- Jingsj CID
- J-27040-3
- Molecular Formula
- C4H9Cl2OP
- Chinese Name
- 叔丁基二氯磷酸
- Molecular Weight
- 174.99300 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 121-123 °C(lit.) |
|---|---|
| Boiling Point | 195.2ºC at 760 mmHg |
| Density | 1.236g/cm3 |
| Flash Point | 71.8ºC |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of tert-Butylphosphonic dichloride?
The CAS number of tert-Butylphosphonic dichloride is 4707-95-3.
What are the molecular formula and molecular weight of tert-Butylphosphonic dichloride?
tert-Butylphosphonic dichloride has molecular formula C4H9Cl2OP and molecular weight 174.99300 g/mol.
Is tert-Butylphosphonic dichloride hazardous?
tert-Butylphosphonic dichloride 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. "tert-Butylphosphonic dichloride (CAS 4707-95-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27040-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.