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Merck
CN

289868

Methylphosphonic acid

98%

Synonym(s):

MPA

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About This Item

Linear Formula:
CH3P(O)(OH)2
CAS Number:
993-13-5
Molecular Weight:
96.02
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24857412
EC Number:
213-607-2
Beilstein/REAXYS Number:
1739372
MDL number:
MFCD00002137

Key Documents

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Product Name

Methylphosphonic acid, 98%

InChI key

YACKEPLHDIMKIO-UHFFFAOYSA-N

InChI

1S/CH5O3P/c1-5(2,3)4/h1H3,(H2,2,3,4)

SMILES string

CP(O)(O)=O

assay

98%

form

solid

mp

105-107 °C (lit.)

Quality Level

100

Gene Information

human ... ALPP(250)

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General description

The vibrational spectra of aqueous solutions of methylphosphonic acid and its anions were studied. The supercritical water co-oxidation elementary reaction rate mechanism for methylphosphonic acid was also studied.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

hcodes

H302,H314

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials

wgk

WGK 2

flash_point_f

>392.0 °F - Pensky-Martens closed cup

flash_point_c

> 200 °C - Pensky-Martens closed cup

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCW8602
MKCT0282
MKCL9598
MKCF5762
MKBV6888V

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Co-oxidation of methylphosphonic acid and ethanol in supercritical water: II: Elementary reaction rate model.
Journal of Supercritical Fluids, 39(2), 239-245 (2006)
Vibrational analysis of methylphosphonic acid and its anions: I. Vibrational spectra.
Journal of Molecular Structure, 15(2), 225-236 (1973)
J Lützenkirchen et al.
Advances in colloid and interface science, 157(1-2), 61-74 (2010-05-11)
A tentative picture for the charging of the sapphire basal plane in dilute electrolyte solutions allows reconciliation of the available experimental observations within a dual charging model. It includes the MUltiSIte Complexation (MUSIC) model and auto-protolysis of interfacial water. The
Guoqiang Feng et al.
Journal of the American Chemical Society, 131(35), 12771-12779 (2009-08-14)
Reactivities of five phosphonate esters each coordinated to a dinuclear Co(III) complex were investigated ([Co(2)(tacn)(2)(OH)(2){O(2)P(Me)OAr}](3+); tacn = 1,4,7-triazacyclononane; substituent = m-F, p-NO(2) (1a); p-NO(2) (1b); m-NO(2) (1c); p-Cl (1d); unsubstituted (1e)). Hydrolysis of the phosphonate esters in 1a to 1e
William W Metcalf et al.
Science (New York, N.Y.), 337(6098), 1104-1107 (2012-09-01)
Relative to the atmosphere, much of the aerobic ocean is supersaturated with methane; however, the source of this important greenhouse gas remains enigmatic. Catabolism of methylphosphonic acid by phosphorus-starved marine microbes, with concomitant release of methane, has been suggested to
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