Phosphoryl chloride

Also known as: Phosphorus oxychloride, Phosphorus oxide trichloride, Phosphorus oxytrichloride, Phosphoryl trichloride, Trichlorophosphine oxide, Phosphoric trichloride, OPCl3, POCl3

Phosphoryl chloride (CAS 10025-87-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cl3OP and a molecular weight of 153.332 g/mol. Key properties include a melting point of 1.25 °C(lit.), a boiling point of 105.3±9.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 105.8°C. It is classified under GHS with signal word Danger and hazard statements H300, H330 — Fatal if inhaled and 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.: 10025-87-3
Jingsj CID: J-44505-6
Molecular Formula: Cl₃OP
Molecular Weight: 153.332 g/mol
Category: Inorganic Chemicals
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	1.25 °C(lit.)
Boiling Point	105.3±9.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	105.8°C
Exact Mass	151.875229
PSA	26.88000
LogP	1.26
Additional Property	5.3 (vs air)
Vapor Pressure	34.6±0.2 mmHg at 25°C
Refractive Index	1.453
Additional Property	reacts exothermically

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger

H300
H330 — Fatal if inhaled
H314 — Causes severe skin burns and eye damage
H372 — Causes damage to organs through prolonged exposure

Customs & Trade Information

HS Code	2812102000

Frequently Asked Questions

What is the CAS number of Phosphoryl chloride?

The CAS number of Phosphoryl chloride is 10025-87-3.

What are the molecular formula and molecular weight of Phosphoryl chloride?

Phosphoryl chloride has molecular formula Cl3OP and molecular weight 153.332 g/mol.

Is Phosphoryl chloride hazardous?

Phosphoryl chloride has GHS signal word Danger and hazard statements H300; H330 — Fatal if inhaled; H314 — Causes severe skin burns and eye damage.

What are the upstream and downstream products of Phosphoryl chloride?

For Phosphoryl chloride, Upstream Products: Nitrosyl chloride, Phosphorus trichloride, Thionyl chloride; Downstream Products: 4,4'-Methylenebis(N,N-dimethylaniline), Phloroglucide, 4-chloro-2-phenylquinoline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Phosphoryl chloride (CAS 10025-87-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44505-6 (accessed 2026-11-09).

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