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Merck
CN

40941

Methylphosphonic acid

99.0-101.0% (T)

Synonym(s):

MPA

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About This Item

Linear Formula:
CH3P(O)(OH)2
CAS Number:
Molecular Weight:
96.02
UNSPSC Code:
12352204
NACRES:
NA.25
PubChem Substance ID:
EC Number:
213-607-2
Beilstein/REAXYS Number:
1739372
MDL number:
Assay:
99.0-101.0% (T)
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Quality Level

assay

99.0-101.0% (T)

loss

≤2.0% loss on drying

pH

0.9-1.4

mp

103-109 °C, 105-107 °C (lit.)

solubility

H2O: 2.88 g in 30 mL, clear, colorless

cation traces

Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

UV absorption

λ: 260 nm Amax: ≤0.05, λ: 280 nm Amax: ≤0.04

SMILES string

CP(O)(O)=O

InChI

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

InChI key

YACKEPLHDIMKIO-UHFFFAOYSA-N

Application

Highly pure methylphosphonic acid for phosphoproteome analysis


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pictograms

CorrosionExclamation mark

signalword

Danger

hcodes

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

Regulatory Information

监管及禁止进口产品

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C E Pritchard et al.
Nucleic acids research, 22(13), 2592-2600 (1994-07-11)
The HIV-1 regulatory proteins tat and rev are both RNA binding proteins which recognize sequences in duplex RNA which are close to structural distortions. Here we identify phosphate contacts which are critical for each binding reaction by use of a
Mostafa Zarei et al.
Journal of proteome research, 10(8), 3474-3483 (2011-06-21)
Reversible phosphorylations play a critical role in most biological pathways. Hence, in signaling studies great effort has been put into identification of a maximum number of phosphosites per experiment. Mass spectrometry (MS)-based phosphoproteomics approaches have been proven to be an
Mostafa Zarei et al.
Journal of proteome research, 11(8), 4269-4276 (2012-07-10)
In large-scale phosphoproteomics studies, fractionation by strong cation exchange (SCX) or electrostatic repulsion-hydrophilic interaction chromatography (ERLIC) is commonly used to reduce sample complexity, fractionate phosphopeptides from their unmodified counterparts, and increase the dynamic range for phosphopeptide identification. However, these procedures



Global Trade Item Number

SKUGTIN
40941-2.5G04061831579925
40941-100MG04061831579918
40941-500MG04061831579932