Sodium phosphate monobasic

Name: Sodium phosphate monobasic
Brand: SIAL

purum p.a., anhydrous, ≥99.0% (T)

Synonym(s):

Monosodium dihydrogen orthophosphate, Monosodium phosphate, Sodium dihydrogen phosphate

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About This Item

Linear Formula:

NaH₂PO₄

CAS Number:

7558-80-7

Molecular Weight:

119.98

PubChem Substance ID:

329763329

eCl@ss:

38070208

UNSPSC Code:

12161700

NACRES:

NA.25

EC Number:

231-449-2

MDL number:

MFCD00003527

Product Name

Sodium phosphate monobasic, purum p.a., anhydrous, ≥99.0% (T)

InChI key

AJPJDKMHJJGVTQ-UHFFFAOYSA-M

InChI

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

SMILES string

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

grade

anhydrous
purum p.a.

assay

≥99.0% (T)

form

crystals

pH

4.0-4.5 (25 °C, 50 mg/mL in H₂O)

solubility

water: 0.5 g/10 mL, clear, colorless

anion traces

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤500 mg/kg

cation traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤300 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

application(s)

sample preparation

Quality Level

200

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Application

Sodium phosphate monobasic has been used:

as an inorganic phosphate source in cell culture media.
in preparation of phosphate buffered saline.
in preparation of phosphate buffer in glucose assay.

General description

Sodium phosphate monobasic is an effective oral osmotic laxative at minimal concentration. It is used for colonic cleansing before endoscopic examination of colon.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Maco B, et al.

Nature Protocols, 9(6), 1354-1354 (2014)

Bowel preparation for colonoscopy with sodium phosphate solution versus polyethylene glycol-based lavage: a multicenter trial

Schanz S, et al.

Diagnostic and therapeutic endoscopy., 2008 (2008)

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Visvanathan R, et al.

Food Chemistry, 211, 853-859 (2016)

The safety profile of oral sodium phosphate for colonic cleansing before colonoscopy in adults

Hookey LC, et al.

Gastrointestinal Endoscopy, 56(6), 895-902 (2002)

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