Synonym: HMPA; Hexamethylphosphoric acid triamide; Tris(dimethylamino)
CAS Number: 680-31-9
Empirical Formula (Hill Notation): C6H18N3OP
Molecular Weight: 179.20
EC Number: 211-653-8
MDL Number: MFCD00008303
Linear Formula: [(CH3)2N]3PO
Product Type: Chemical
assay | 99% |
bp | 230-232 °C/740 mmHg (lit.) |
density | 1.03 g/mL at 25 °C (lit.) |
InChI | 1S/C6H18N3OP/c1-7(2)11(10 |
InChI key | GNOIPBMMFNIUFM-UHFFFAOYSA |
mp | 7 °C (lit.) |
Quality Level | 200 ![]() |
refractive index | n |
SMILES string | CN(C)P(=O)(N(C)C)N(C)C |
vapor density | 6.18 (vs air) |
vapor pressure | 0.07 mmHg ( 25 °C) |
Application: | Hexamethylphosphoramide can be used as a solvent: • For the conversion of carboxylate salt into esters by reacting with alkyl halides. • To synthesize aryl thioethers via nucleophilic displacement of unactivated aryl halides by thiolate ions. • To synthesize polyazomethines (PAZs) from dialdehyde and diamine via high-temperature solution polycondensation. |
General description: | Hexamethylphosphoramide is a polar aprotic solvent. |
Packaging: | 2.5 kg in glass bottle |
Packaging: | 5, 100, 500 g in glass bottle |
Symbol | ![]() ![]() |
Signal word | Danger |
Hazard statements | H314 - H340 - H350 |
Precautionary statements | P201 - P202 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 |
Hazard Codes | T |
Risk Statements | 45-46 |
Safety Statements | 53-45 |
RIDADR | UN 3082 9 / PGIII |
WGK Germany | WGK 3 |
Flash Point(F) | 291.2 °F - closed cup |
Flash Point(C) | 144 °C - closed cup |
Purity | 99% |
bp | 230-232 °C/740 mmHg (lit.) |
mp | 7 °C (lit.) |
Density | 1.03 g/mL at 25 °C (lit.) |
Refractive Index | n |
UNSPSC | 12352111 |
We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.
800-334-7725
office@krackeler.com
Please fill out the form below if you want to request order support from Krackeler Scientific.
You will be contacted with a quote.