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Safety Information

71645

Sigma-Aldrich

di-Sodium hydrogen phosphate dihydrate

BioXtra, ≥98.0% (T)

Synonym(s):

sec-Sodium phosphate, Disodium hydrogen phosphate dihydrate, Disodium phosphate, Sodium phosphate dibasic dihydrate

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About This Item

Linear Formula:
Na2HPO4 · 2H2O
CAS Number:
10028-24-7
Molecular Weight:
177.99
EC Number:
231-448-7
MDL number:
MFCD00149182
UNSPSC Code:
12352209
PubChem Substance ID:
329763396
NACRES:
NA.26

product line

BioXtra

Quality Level

300

Assay

≥98.0% (T)

form

crystals

loss

20-21% loss on drying

pH

8.8-9.4 (50 mg/mL in H2O)

solubility

hot water: 0.5 g/10 mL, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

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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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

71645-5KG:
71645-RSAMPLE:
71645-VAR:
71645-6X1KG:
71645-BULK:
71645-1KG:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCH0358
BCCG6825
BCCG3222
BCCG0078
BCCF8903

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