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Hexamethylphosphoramide

Catalog No. 52730 Name Sigma Aldrich
CAS Number 680-31-9 Website http://www.sigmaaldrich.com
M. F. C6H18N3OP Telephone 1-800-521-8956
M. W. 179.200381 Fax
Purity ≥98.0% (GC) Email
Storage Chembase ID: 76925

SYNONYMS

Title
六甲基磷酰三胺
IUPAC name
[bis(dimethylamino)phosphoryl]dimethylamine
IUPAC Traditional name
hexamethylphosphoramide
Synonyms
Tris(dimethylamino)phosphine oxide
HMPA
三(二甲氨基)氧膦
六甲基磷酸三胺
Hexamethylphosphoric acid triamide

DATABASE IDS

CAS Number 680-31-9
Beilstein Number 1099903
PubChem SID 24874615
MDL Number MFCD00008303
EC Number 211-653-8

PROPERTIES

Grade purum
Impurities ≤2.0% water (Karl Fischer)
Linear Formula [(CH3)2N]3PO
Purity ≥98.0% (GC)
Boiling Point 230-232 °C/740 mmHg(lit.)
Density 1.03 g/mL at 25 °C(lit.)
Flash Point 144 °C
Flash Point 291.2 °F
Melting Point 7 °C(lit.)
Refractive Index n20/D 1.459(lit.)
Refractive Index n20/D 1.459
Vapor Density 6.18 (vs air)
Vapor Pressure 0.07 mmHg ( 25 °C)
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H340-H350
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P201-P308 + P313
Risk Statements 45-46
RTECS TD0875000
Safety Statements 53-45
German water hazard class 3

DETAILS

REFERENCES