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Merck

S9390

Sodium phosphate dibasic heptahydrate

ACS reagent, 98.0-102.0%

동의어(들):

Disodium hydrogen phosphate heptahydrate, Disodium phosphate

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
Na2HPO4 · 7H2O
CAS 번호:
Molecular Weight:
268.07
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
237-707-0
MDL number:
Assay:
98.0-102.0%
Grade:
ACS reagent
Form:
powder
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grade

ACS reagent

Quality Level

vapor density

4.9 (vs air)

assay

98.0-102.0%

form

powder

impurities

≤0.005% Insoluble matter

pH

8.7-9.3 (25 °C, 5% in solution)

density

1.68 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%, heavy metals: ≤0.001% (by ICP)

SMILES string

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

InChI

1S/2Na.H3O4P.7H2O/c;;1-5(2,3)4;;;;;;;/h;;(H3,1,2,3,4);7*1H2/q2*+1;;;;;;;;/p-2

InChI key

PYLIXCKOHOHGKQ-UHFFFAOYSA-L

General description

Sodium phosphate dibasic heptahydrate is a hydrated form of disodium phosphate (DSP) or disodium hydrogen orthophosphate. DSP is widely used as a pH regulator and saline laxative.

Application

A mixture of sodium phosphate dibasic heptahydrate, potassium phosphate monobasic, and NaCl in deionized water is used for the preparation of phosphate-buffered saline (PBS, pH 7.4). PBS is used as a buffer solution in biological research to keep the pH constant.


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저장 등급

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



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시험 성적서(COA)

Lot/Batch Number

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문서

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국제 무역 품목 번호

SKUGTIN
S9390-100G04061835349715
S9390-1KG04061835349722
S9390-2.5KG04061836961398
S9390-500G04061835349746