Tris(dimethylamino)phosphine
Also known as: Hexamethylphosphorous triamide, HMPT, (Me2N)3P, N,N,N',N',N'',N''-Hexamethylphosphinetriamine, Tri(dimethylamino)phosphine, Hexamethyltriaminophosphine, Hexamethyltriamidophosphite, Phosphorous triamide, hexamethyl-, N-[bis(dimethylamino)phosphanyl]-N-methylmethanamine
Tris(dimethylamino)phosphine (CAS 1608-26-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H18N3P and a molecular weight of 163.201 g/mol. Key properties include a melting point of -44 °C, a boiling point of 160.3±9.0 °C at 760 mmHg, a density of 0.898 g/mL at 25 °C(lit.) and a flash point of 50.8±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H340 and H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1608-26-0
- Jingsj CID
- J-47901-6
- Molecular Formula
- C6H18N3P
- Molecular Weight
- 163.201 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -44 °C |
|---|---|
| Boiling Point | 160.3±9.0 °C at 760 mmHg |
| Density | 0.898 g/mL at 25 °C(lit.) |
| Flash Point | 50.8±18.7 °C |
| Exact Mass | 163.123840 |
| PSA | 23.31000 |
| LogP | 0.17 |
| Vapor Pressure | 2.4±0.3 mmHg at 25°C |
| Refractive Index | n20/D 1.463(lit.) |
| Additional Property | REACTS |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H340
- H350 — May cause cancer
Customs & Trade Information
| HS Code | 2929909090 |
|---|---|
| Summary | 2929909090 other compounds with other nitrogen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tris(dimethylamino)phosphine?
The CAS number of Tris(dimethylamino)phosphine is 1608-26-0.
What are the molecular formula and molecular weight of Tris(dimethylamino)phosphine?
Tris(dimethylamino)phosphine has molecular formula C6H18N3P and molecular weight 163.201 g/mol.
Is Tris(dimethylamino)phosphine hazardous?
Tris(dimethylamino)phosphine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H340; H350 — May cause cancer.
What are the upstream and downstream products of Tris(dimethylamino)phosphine?
For Tris(dimethylamino)phosphine, Upstream Products: bis(dimethylamino)chlorophosphine, Dimethylamine, N,N-Dimethyltrimethylsilylamine; Downstream Products: trans-3-(Dimethylamino)acrylonitrile, 1,1-Dimethylurea, Ethyl N-(4-methylphenyl)sulfonylcarbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(dimethylamino)phosphine (CAS 1608-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47901-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.