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567547

Sodium phosphate dibasic

Name: Sodium phosphate dibasic
Brand: MM

Molecular Biology Grade; Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers.

Synonym(s):

Sodium phosphate dibasic, Sodium Phosphate, Dibasic, sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate, Na₂HPO₄

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About This Item

Linear Formula:

Na₂HPO₄

CAS Number:

7558-79-4

Molecular Weight:

141.96

UNSPSC Code:

12161700

NACRES:

NA.25

MDL number:

MFCD00003496

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Properties

description

Merck USA index - 14, 8659

Quality Level

100

assay

≥98.5% (titration)

form

solid

manufacturer/tradename

Calbiochem^®

storage condition

OK to freeze, desiccated (hygroscopic)

color

white

pKa (25 °C)

(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid)

solubility

water: 10%

cation traces

heavy metals (as Pb): ≤0.001%

absorption

≤0.01 at 260 nm, ≤0.01 at 280 nm

foreign activity

DNases, proteases, RNases, none detected

shipped in

ambient

storage temp.

10-30°C

InChI

1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

BNIILDVGGAEEIG-UHFFFAOYSA-L

Description

General description

Molecular biology reagent (absorbance: ≤0.01 at 260 nm and 280 nm).

Useful in conjunction with Sodium Phosphate, Monobasic (Cat. No. 567545 or 567549) in the preparation of biological buffers.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Irritant (B)

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c