Hexamethylphosphoramide
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
680-31-9
Chemical name
Hexamethylphosphoramide
Molecular formula
C6H18N3OP
Molecular weight
179.2 g/mol
Synonyms
HMPA; Hexamethylphosphoric triamide; Hexametapol; Hempa; HMPT; HMPTA; Hexamethylphosphoric acid triamide; Phosphoric hexamethyltriamide; Hexamethylphosphorotriamide; Eastman Inhibitor HPT; Phosphoric triamide, hexamethyl-; Hexamethylphosphotriamide
InChIKey
GNOIPBMMFNIUFM-UHFFFAOYSA-N
PubChem CID
12679
Signal word
Danger
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H303, H313, H314, H318, H340, H350
Catalog reference cue; confirm supplier documentation before use.
Melting Point
5–7.22 °C
Catalog reference value; verify against supplier SDS before use.
Water Solubility
100 mol/L
Catalog reference value; verify against supplier SDS before use.
Refractive Index
1.4572
Catalog reference value; verify against supplier SDS before use.
XLogP
0.3
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.