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C7254

Sigma-Aldrich

Sodium citrate tribasic dihydrate

≥98%

Synonym(s):
Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate
Linear Formula:
HOC(COONa)(CH2COONa)2 · 2H2O
CAS Number:
Molecular Weight:
294.10
Beilstein:
6104939
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥98%

form

powder

pH

7.5-9 (25 °C, 29.4 g/L)

mp

>300 °C (lit.)

solubility

water: soluble 100 mg/mL

SMILES string

O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O

InChI

1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3

InChI key

NLJMYIDDQXHKNR-UHFFFAOYSA-K

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This Item
71402C8532C3434
assay

≥98%

assay

-

assay

≥99%

assay

≥99.0% (titration)

form

powder

form

crystals

form

powder

form

powder or crystals

pH

7.5-9 (25 °C, 29.4 g/L)

pH

7.5-9.0 (25 °C, 0.1 M in H2O)

pH

7.5-9 (25 °C, 29.4 g/L)

pH

7.5-9.0 (20 °C, 0.1 M in H2O)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

>300 °C (lit.)

solubility

water: soluble 100 mg/mL

solubility

H2O: 0.1 M at 20 °C, clear, colorless

solubility

water: soluble 100 mg/mL

solubility

H2O: 0.1 M at 20 °C, clear, colorless

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

Storage Class Code

11 - 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

Certificate of Analysis

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Certificate of Origin

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