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Merck
CN

52730

Hexamethylphosphoramide

purum, ≥98.0% (GC)

Synonym(s):

HMPA, Hexamethylphosphoric acid triamide, Tris(dimethylamino)phosphine oxide

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About This Item

Linear Formula:
[(CH3)2N]3PO
CAS Number:
680-31-9
Molecular Weight:
179.20
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
57651380
EC Number:
211-653-8
Beilstein/REAXYS Number:
1099903
MDL number:
MFCD00008303
Assay:
≥98.0% (GC)

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InChI key

GNOIPBMMFNIUFM-UHFFFAOYSA-N

InChI

1S/C6H18N3OP/c1-7(2)11(10,8(3)4)9(5)6/h1-6H3

SMILES string

CN(C)P(=O)(N(C)C)N(C)C

vapor density

6.18 (vs air)

vapor pressure

0.07 mmHg ( 25 °C)

grade

purum

assay

≥98.0% (GC)

impurities

≤2.0% water (Karl Fischer)

Quality Level

100

refractive index

n20/D 1.459

bp

230-232 °C/740 mmHg (lit.)

mp

7 °C (lit.)

density

1.03 g/mL at 25 °C (lit.)

functional group

phosphoramide

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pictograms

Health hazardCorrosion
GHS08,GHS05

signalword

Danger

Hazard Classifications

Carc. 1B - Eye Dam. 1 - Muta. 1B - Skin Corr. 1C

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

291.2 °F - closed cup

flash_point_c

144 °C - closed cup

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN6402
BCCK7486
BCCH3647
BCCD4456
BCCB5292

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Kristopher J Kolonko et al.
The Journal of organic chemistry, 75(18), 6163-6172 (2010-08-26)
A variety of multinuclear NMR techniques, in combination with X-ray diffraction methods, were used to probe the solution structure of α-aryl lithium enolates of bis(4-fluorobenzyl) ketone (1-H), phenyl 4-fluorobenzyl ketone (2-H), and N,N-dimethyl 4-fluorophenylacetamide (3-H) in ethereal solvents and in
Ge Gao et al.
Proceedings of the National Academy of Sciences of the United States of America, 101(15), 5417-5420 (2004-03-18)
It is found that the addition of hexamethylphosphoramide to the solution of an alkyne, Et(2)Zn, and (S)-1,1'-bi-2-naphthol in methylene chloride allows the generation of an alkynylzinc at room temperature and shows highly enantioselective additions to aldehydes. The mild condition for
Samarium diiodide-induced reductive cross-coupling of nitrones with aldehydes and ketones.
Géraldine Masson et al.
Angewandte Chemie (International ed. in English), 41(10), 1772-1775 (2002-05-17)
Knud Nairz et al.
Genome biology, 5(10), R83-R83 (2004-10-06)
We report the use of the cross-linking drug hexamethylphosphoramide (HMPA), which introduces small deletions, as a mutagen suitable for reverse genetics in the model organism Drosophila melanogaster. A compatible mutation-detection method based on resolution of PCR fragment-length polymorphisms on standard
Anthony J Pearson et al.
Organic letters, 6(13), 2121-2124 (2004-06-18)
[reaction: see text] Vicinal stereocontrol during nucleophilic addition of tert-butyl lithiopropionate to eta(6)-anisole chromium tricarbonyl complexes with differing para substituents has been studied. Excellent vicinal double stereoinduction (>99:1) was observed when the para substituent was Si(CH(3))(3), and this has been
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