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Merck
CN

91957

Monosodium methylphosphonate

99.0-101.0% (T)

Synonym(s):

Methanephosphonic acid monosodium salt, Methylphosphonic acid monosodium salt

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About This Item

Empirical Formula (Hill Notation):
CH4O3PNa
CAS Number:
Molecular Weight:
118.00
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.25
Assay:
99.0-101.0% (T)
Form:
crystals
Solubility:
water: 3.54 g/30 mL, colorless
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Quality Segment

assay

99.0-101.0% (T)

form

crystals

concentration

18.5-20.5% Na

loss

≤2.0% loss on drying

pH

4.5-5.1

solubility

water: 3.54 g/30 mL, colorless

cation traces

Al: ≤5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤50 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, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

UV absorption

λ: 260 nm Amax: ≤0.2, λ: 280 nm Amax: ≤0.07

suitability

no residue for filter test

SMILES string

O=P(C)(O[Na])O

InChI

1S/CH5O3P.Na/c1-5(2,3)4;/h1H3,(H2,2,3,4);/q;+1/p-1

InChI key

CZVWTNTXBUVAFR-UHFFFAOYSA-M

Application

Buffer component for ERLIC technique for Phosphoproteome analysis and inhibitor of protein phosphatases.


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 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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