2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one
2-氯-4H-1,3,2-苯并二氧磷-4-酮
Also known as: 2-chloro-1,3,2-benzodioxaphosphinin-4-one, 2-chloro-4H-benzo[d][1,3,2]dioxaphosphinin-4-one, salicylchlorophosphite, SalPCl, Van Boom's reagent, MFCD00013353
2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one (CAS 5381-99-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H4ClO3P and a molecular weight of 202.53200 g/mol. It is also known as 2-chloro-1,3,2-benzodioxaphosphinin-4-one, 2-chloro-4H-benzo[d][1,3,2]dioxaphosphinin-4-one and salicylchlorophosphite. Key properties include a melting point of 36-40 °C(lit.), a boiling point of 127-128 °C11 mm Hg(lit.) and a flash point of >230 °F. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5381-99-7
- Jingsj CID
- J-6651-8
- Molecular Formula
- C7H4ClO3P
- Chinese Name
- 2-氯-4H-1,3,2-苯并二氧磷-4-酮
- Molecular Weight
- 202.53200 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 36-40 °C(lit.) |
|---|---|
| Boiling Point | 127-128 °C11 mm Hg(lit.) |
| Flash Point | >230 °F |
| Exact Mass | 201.95900 |
| PSA | 49.12000 |
| LogP | 2.70150 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2914700090 |
|---|---|
| Summary | HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one?
The CAS number of 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one is 5381-99-7.
What are the molecular formula and molecular weight of 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one?
2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one has molecular formula C7H4ClO3P and molecular weight 202.53200 g/mol.
Is 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one hazardous?
2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one?
For 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one, Upstream Products: Salicylic acid, Sodium acetate, Phosphorus trichloride.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one (CAS 5381-99-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6651-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.