Hexamethylphosphoramide - ≥98% , CAS No.680-31-9

CAS: 680-31-9 Cat. No.: H105636 Formula: C6H18N3PO Molecular Weight: 179.2 Beilstein Registry Number: 1099903 EC Number: 211-653-8
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
BP-21334 | EN300-17081 | FT-0627025 | MFCD00008303 | N-Bis(dimethylamino)phosphoryl-N-methyl-methanamine | Hexamethylphosphamide | Hexamethyl phosphoramide | EINECS 211-653-8 | hexamethyltriamidophosphate | HMPA | NCGC00164320-02 | hexamethyl phosphorotri
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
25g
H105636-25g
5 In stock
—
$9.90
100g
H105636-100g
2 In stock
—
$17.90
500g
H105636-500g
3 In stock
7 In stock
$67.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 22 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Hexamethylphosphoramide is a polar aprotic solvent.

Specifications

Synonyms
BP-21334 | EN300-17081 | FT-0627025 | MFCD00008303 | N-Bis(dimethylamino)phosphoryl-N-methyl-methanamine | Hexamethylphosphamide | Hexamethyl phosphoramide | EINECS 211-653-8 | hexamethyltriamidophosphate | HMPA | NCGC00164320-02 | hexamethyl phosphorotri
Specifications & Purity
≥98%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504752380
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504752380
Canonical SmilesCN(C)P(=O)(N(C)C)N(C)C
IUPAC NameN-[bis(dimethylamino)phosphoryl]-N-methylmethanamine
InChIKeyGNOIPBMMFNIUFM-UHFFFAOYSA-N
INCHI1S/C6H18N3OP/c1-7(2)11(10,8(3)4)9(5)6/h1-6H3
Isomeric SMILES CN(C)P(=O)(N(C)C)N(C)C
WGK Germany 3
RTECS TD0875000
UN Number 2810
Packing Group I
Molecular Weight 179.2
Beilstein 1099903
Reaxy-Rn 1099903
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1099903&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassOrganic phosphoric acids and derivatives
SubclassOrganic phosphoramides
Intermediate Tree Nodes Not available
Direct ParentOrganic phosphoramides
Alternative Parents Organopnictogen compounds  Organonitrogen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Organic phosphoric acid amide - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as organic phosphoramides. These are organic compounds containing the phosphoric acid amide functional group.
External Descriptors phosphoramide
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

18 results found

Lot NumberCertificate TypeDateItem
I2219242Certificate of AnalysisJul 06, 2026 H105636
I2219243Certificate of AnalysisJul 06, 2026 H105636
I2219244Certificate of AnalysisJul 06, 2026 H105636
J2114581Certificate of AnalysisJul 15, 2025 H105636
K2401109Certificate of AnalysisMay 17, 2023 H105636
E2331398Certificate of AnalysisMay 17, 2023 H105636
E2331399Certificate of AnalysisMay 17, 2023 H105636
E2331400Certificate of AnalysisMay 17, 2023 H105636
E2331401Certificate of AnalysisMay 17, 2023 H105636
E2628107Certificate of AnalysisMay 17, 2023 H105636
H2611102Certificate of AnalysisMay 17, 2023 H105636
K2507105Certificate of AnalysisSep 05, 2022 H105636
A2613008Certificate of AnalysisSep 05, 2022 H105636
K2414131Certificate of AnalysisSep 05, 2022 H105636
I2219241Certificate of AnalysisSep 05, 2022 H105636
D2521044Certificate of AnalysisSep 05, 2022 H105636
B2226577Certificate of AnalysisFeb 15, 2022 H105636
B2226571Certificate of AnalysisFeb 15, 2022 H105636
Chemical and Physical Properties
Sensitivityair sensitive ;Moisture sensitive
Freezing Point(°C)6 °C
Refractive Index1.459
Flash Point(°F)291.2 °F
Flash Point(°C)144 °C
Boil Point(°C)230-232°C
Melt Point(°C)7°C
Molecular Weight179.200 g/mol
XLogP30.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count3
Exact Mass179.119 Da
Monoisotopic Mass179.119 Da
Topological Polar Surface Area26.800 Ų
Heavy Atom Count11
Formal Charge0
Complexity139.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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