Tris(hydroxymethyl)phosphine
三(羟甲基)膦
Also known as: phosphanetriyltrimethanol, trimethylolphosphine, phosphinidynetrimethanol, phosphinidynetrismethanol, tris(methanol)phosphine, bis(hydroxymethyl)phosphanylmethanol, methanol, 1,1',1''-phosphinidynetris-
Tris(hydroxymethyl)phosphine (CAS 2767-80-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9O3P and a molecular weight of 124.076 g/mol. It is also known as phosphanetriyltrimethanol, trimethylolphosphine and phosphinidynetrimethanol. Key properties include a melting point of 48-56ºC(lit.), a boiling point of 311.7±37.0 °C at 760 mmHg, a density of 1.137 (estimate) and a flash point of 142.3±26.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2767-80-8
- Jingsj CID
- J-1377610-5
- Molecular Formula
- C3H9O3P
- Chinese Name
- 三(羟甲基)膦
- Molecular Weight
- 124.076 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 48-56ºC(lit.) |
|---|---|
| Boiling Point | 311.7±37.0 °C at 760 mmHg |
| Density | 1.137 (estimate) |
| Flash Point | 142.3±26.5 °C |
| Exact Mass | 124.028931 |
| PSA | 74.28000 |
| LogP | 0.02 |
| Appearance | Powder, Crystals or Chunks | White to pale yellow |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2905199090 |
|---|---|
| Summary | 2905199090. saturated monohydric alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tris(hydroxymethyl)phosphine?
The CAS number of Tris(hydroxymethyl)phosphine is 2767-80-8.
What are the molecular formula and molecular weight of Tris(hydroxymethyl)phosphine?
Tris(hydroxymethyl)phosphine has molecular formula C3H9O3P and molecular weight 124.076 g/mol.
Is Tris(hydroxymethyl)phosphine hazardous?
Tris(hydroxymethyl)phosphine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of Tris(hydroxymethyl)phosphine?
For Tris(hydroxymethyl)phosphine, Upstream Products: Tetrakis(hydroxymethyl)phosphonium chloride, Formaldehyde; Downstream Products: tribenzylphosphine, 1,3,5-Triaza-7-phosphaadamantane, Tetrakis(hydroxymethyl)phosphonium chloride.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(hydroxymethyl)phosphine (CAS 2767-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377610-5 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.