Phosphorus trichloride
Also known as: EINECS 231-749-3, MFCD00011438, PCl3, Phosphine,trichloro, Phosphorous chloride, Phosphorous trichloride, Phosphoroustrichloride, Phosphortrichlorid, Phosphorus chloride (PCl3), Phosphorus chloride (cl6p2), Trichlorophosphine, phosphore(trichlorurede), phosphore(trichlorurede)(french), phosphorouschloride, phosphorus chloride, phosphorus trichloride, phosphorus trichoride, phosphorus(III) chloride, phosporus trichloride, trichlorophosphane
Phosphorus trichloride (CAS 7719-12-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Cl3P and a molecular weight of 137.333 g/mol. Key properties include a melting point of -112 °C, a boiling point of 75.5±9.0 °C at 760 mmHg, a density of 1.574 g/mL at 25 °C and a flash point of 76°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.
- 7719-12-2
- Jingsj CID
- J-26743-2
- Molecular Formula
- Cl3P
- Molecular Weight
- 137.333 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -112 °C |
|---|---|
| Boiling Point | 75.5±9.0 °C at 760 mmHg |
| Density | 1.574 g/mL at 25 °C |
| Flash Point | 76°C |
| Exact Mass | 135.880325 |
| PSA | 13.59000 |
| LogP | 3.84 |
| Additional Property | 4.75 (vs air) |
| Vapor Pressure | 115.1±0.1 mmHg at 25°C |
| Refractive Index | n20/D 1.5148(lit.) |
| Additional Property | reacts |
GHS Safety & Compliance
- H300
- H330 — Fatal if inhaled
- H314 — Causes severe skin burns and eye damage
- H373 — May cause damage to organs through prolonged exposure
Customs & Trade Information
| HS Code | 2812104300 |
|---|
Frequently Asked Questions
What is the CAS number of Phosphorus trichloride?
The CAS number of Phosphorus trichloride is 7719-12-2.
What are the molecular formula and molecular weight of Phosphorus trichloride?
Phosphorus trichloride has molecular formula Cl3P and molecular weight 137.333 g/mol.
Is Phosphorus trichloride hazardous?
Phosphorus trichloride 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 Phosphorus trichloride?
For Phosphorus trichloride, Upstream Products: Phosphoryl chloride, phosphorus trifluoride, selenium chloride; Downstream Products: Dibutyl phosphite, Dimethylmethoxychlorosilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phosphorus trichloride (CAS 7719-12-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26743-2 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.