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S9638

Sigma-Aldrich

Sodium phosphate monobasic monohydrate

ACS reagent, ≥98%

Synonym(s):

Monosodium phosphate, Sodium dihydrogen phosphate monohydrate

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About This Item

Linear Formula:
NaH2PO4 · H2O
CAS Number:
Molecular Weight:
137.99
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.21
Assay:
≥98%
98.0-102.0%
Grade:
ACS reagent
Form:
crystalline
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grade

ACS reagent

Quality Level

assay

≥98%
98.0-102.0%

form

crystalline

impurities

≤0.01% Insoluble matter

pH

4.1-4.5 (25 °C, 5% in solution)

anion traces

chloride (Cl-): ≤5 ppm
sulfate (SO42-): ≤0.003%

cation traces

Ca: ≤0.005%
Fe: ≤0.001%
K: ≤0.01%
heavy metals: ≤0.001% (by ICP-OES)

SMILES string

[Na+].[H]O[H].OP(O)([O-])=O

InChI

1S/Na.H3O4P.H2O/c;1-5(2,3)4;/h;(H3,1,2,3,4);1H2/q+1;;/p-1

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1 of 4

This Item
Z293016Z292974Z740215
technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

technique(s)

thin layer chromatography (TLC): suitable

material

glass support, silica gel 60 matrix

material

glass support, silica gel 60 matrix

material

glass support, silica gel 60 matrix

material

PEI-cellulose, matrix, glass support

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

pore size

60 Å medium pore diameter

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator

feature

binder Organic Polymer, fluorescent indicator: no

feature

binder: no, fluorescent indicator

packaging

pkg of 200 ea

packaging

pkg of 50 ea

packaging

pkg of 25 ea

packaging

pkg of 25 ea

manufacturer/tradename

EMD Millipore® 1.05719.0001

manufacturer/tradename

EMD Millipore® 1.05729.0001

manufacturer/tradename

EMD Millipore® 1.05721.0001

manufacturer/tradename

EMD Millipore® 1.05725.0001

Application

Sodium phosphate monobasic monohydrate has been used for the preparation of modified Tyrode′s calcium-free buffer, citrate-albumin buffer, lysis buffer for Sf9 cells and phosphate buffer.[1][2][3]

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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