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S2429

Sigma-Aldrich

Sodium phosphate dibasic heptahydrate

meets USP testing specifications

Synonym(s):

Disodium hydrogen phosphate heptahydrate, Disodium phosphate

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About This Item

Linear Formula:
Na2HPO4 · 7H2O
CAS Number:
7782-85-6
Molecular Weight:
268.07
EC Number:
237-707-0
MDL number:
MFCD00149180
UNSPSC Code:
12161700
PubChem Substance ID:
329824521
NACRES:
NA.25
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Agency

meets USP testing specifications

Quality Level

300

vapor density

4.9 (vs air)

Assay

98.0-100.5% dry basis

form

powder, crystals or chunks

pH

9.0-9.3 (25 °C, 50 g/L)

solubility

water: ~35.8 g/L at 20 °C

density

1.68 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

SMILES string

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

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Related Categories

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SLCM0881
SLCM0885
SLCL6394
SLCL6388
SLCB2736

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