Merck
  • 58087
All Photos(1)

58087

Supelco

Sodium phosphate dibasic dihydrate

suitable for HPLC, LiChropur

Synonym(s):
sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, di-Sodium hydrogen phosphate dihydrate
Linear Formula:
Na2HPO4 · 2H2O
CAS Number:
Molecular Weight:
177.99
EC Number:
MDL number:

Assay

98.5-102.0% (T)

manufacturer/tradename

LiChropur

technique(s)

HPLC: suitable

pH

8.8-9.4

solubility

H2O: 10%, clear, colorless

λ

10 % in H2O

UV absorption

λ: 230 nm Amax: ≤0.1
λ: 260 nm Amax: ≤0.06
λ: 280 nm Amax: ≤0.04
λ: 320 nm Amax: ≤0.02
λ: 500 nm Amax: ≤0.02

SMILES string

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

InChI

1S/2Na.H3O4P.2H2O/c;;1-5(2,3)4;;/h;;(H3,1,2,3,4);2*1H2/q2*+1;;;/p-2

InChI key

KDQPSPMLNJTZAL-UHFFFAOYSA-L

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10299863043571662
Ammonium phosphate dibasic United States Pharmacopeia (USP) Reference Standard

USP

1029986

Ammonium phosphate dibasic

assay

98.5-102.0% (T)

assay

-

assay

98.5-101.0% (calc. to the dried substance)

assay

98.0-101.0% (dried substance)

manufacturer/tradename

LiChropur

manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

-

technique(s)

HPLC: suitable

technique(s)

-

technique(s)

-

technique(s)

-

pH

8.8-9.4

pH

-

pH

9.0-9.2 (20 °C, 5%)

pH

-

solubility

H2O: 10%, clear, colorless

solubility

-

solubility

-

solubility

-

λ

10 % in H2O

λ

-

λ

-

λ

-

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

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