Hexamethylphosphoramide, 98%

Name: Hexamethylphosphoramide, 98%
Brand: Vaqora Chemicals
SKU: VQ-000856

About Hexamethylphosphoramide, 98%

Vaqora Chemicals supplies Hexamethylphosphoramide in Synthesis grade, a synthetic reagent registered under CAS number 680-31-9, specified at 98% purity. Formula C6H18N3OP, molecular weight 179.2 g/mol. Its systematic (IUPAC) name is N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine. Alternative names: HMPA and Hexamethylphosphoric acid triamide.

The product is provided as a liquid. Literature values give a melting point of 7 °C and a density of 1.03 g/mL at 25 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis, reaction development, medicinal chemistry and fine chemical synthesis. Our customers for this product work in academic and industrial research.

Available in 100 mL and 500 mL packs, Hexamethylphosphoramide is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hexamethylphosphoramide, 98%
Catalogue No.	VQ-000856
CAS Number	680-31-9
IUPAC name	N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine
Molecular formula	C₆H₁₈N₃OP
Molecular weight	179.2 g/mol
Exact mass	179.1187
Grade	Synthesis
Purity / assay	98%
HSN code	29319090
InChIKey	GNOIPBMMFNIUFM-UHFFFAOYSA-N
SMILES	CN(C)P(=O)(N(C)C)N(C)C
PubChem CID	12679

Physical properties
Physical form	Liquid
Appearance	Liquid
Melting point	7 °C
Density	1.03 g/mL at 25 °C
LogP (XLogP3)	0.3
H-bond donors / acceptors	0 / 4
TPSA	26.8 Å²
Synonyms	HMPA, Hexamethylphosphoric acid triamide, Tris(dimethylamino)phosphine oxide,, Hexamethylphosphoric triamide, Hexametapol, Phosphoric hexamethyltriamide, Hexamethylphosphorotriamide, Eastman Inhibitor HPT, Phosphoric triamide, hexamethyl-, Hexamethylphosphotriamide, Tris(dimethylamino)phosphine oxide, Hexamethylorthophosphoric triamide

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H340May cause genetic defects
H350May cause cancer

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 680-31-9

Hexamethylphosphoramide, 99%

CAS: 680-31-9
Formula: C₆H₁₈N₃OP
MW: 179.2 g/mol

VQ-000857

Frequently asked questions

What is the CAS number of Hexamethylphosphoramide, 98%?

The CAS Registry Number of Hexamethylphosphoramide, 98% is 680-31-9. It is also known as HMPA, Hexamethylphosphoric acid triamide, Tris(dimethylamino)phosphine oxide,.

What is the molecular formula and molecular weight of Hexamethylphosphoramide, 98%?

Hexamethylphosphoramide, 98% has the molecular formula C6H18N3OP and a molecular weight of 179.2 g/mol. Its IUPAC name is N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine.

Which grade and pack sizes of Hexamethylphosphoramide, 98% can I order?

We supply Hexamethylphosphoramide, 98% in Synthesis (98%) grade, in 100 mL, 500 mL packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexamethylphosphoramide, 98%?

Yes. Every lot of Hexamethylphosphoramide, 98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Hexamethylphosphoramide, 98% be shipped internationally?

Yes. Hexamethylphosphoramide, 98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.