Hexamethylphosphoramide, 99%

Name: Hexamethylphosphoramide, 99%
Brand: Vaqora Chemicals
SKU: VQ-000857

About Hexamethylphosphoramide, 99%

Hexamethylphosphoramide (CAS 680-31-9) is a synthetic reagent offered by Vaqora Chemicals with a typical assay of 99%. The compound has the formula C6H18N3OP, corresponding to a molecular weight of 179.2 g/mol. Its systematic (IUPAC) name is N-[bis(dimethylamino)phosphoryl]-N-methylmethanamine. Alternative names: HMPA and Hexamethylphosphoric acid triamide.

It is supplied as a liquid. Key physical data: a melting point of 7 °C and a boiling point of 230-232 °C. Store in a cool, well-ventilated place, away from sources of ignition, with the container tightly sealed. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, reaction development, medicinal chemistry and fine chemical synthesis. Typical end-use sectors are academic and industrial research.

Standard pack sizes are 100 mL, 500 mL and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Hexamethylphosphoramide, 99%
Catalogue No.	VQ-000857
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
Purity / assay	99%
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
Boiling point	230-232 °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

Synthesis

Hexamethylphosphoramide, 98%

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

VQ-000856

Frequently asked questions

What is the CAS number of Hexamethylphosphoramide, 99%?

The CAS Registry Number of Hexamethylphosphoramide, 99% 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, 99%?

Hexamethylphosphoramide, 99% 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, 99% can I order?

We supply Hexamethylphosphoramide, 99% in (99%) grade, in 100 mL, 500 mL, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Hexamethylphosphoramide, 99%?

Yes. Every lot of Hexamethylphosphoramide, 99% 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, 99% be shipped internationally?

Yes. Hexamethylphosphoramide, 99% 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.