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W302600

Sigma-Aldrich

Sodium citrate dihydrate

≥99%, FG

Synonym(s):

Sodium citrate tribasic dihydrate, Citric acid trisodium salt dihydrate, Trisodium citrate dihydrate

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About This Item

Linear Formula:
HOC(COONa)(CH2COONa)2 · 2H2O
CAS Number:
6132-04-3
Molecular Weight:
294.10
FEMA Number:
3026
Beilstein/REAXYS Number:
6104939
EC Number:
200-675-3
MDL number:
MFCD00150031
UNSPSC Code:
12164502
PubChem Substance ID:
24901436
E Number:
E 331 (iii)
NACRES:
NA.21

biological source

synthetic

Quality Level

400

grade

FG
Halal
Kosher

reg. compliance

EU Regulation 1333/2008 & 178/2002

assay

≥99%

mp

>300 °C (lit.)

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

food allergen

no known allergens

organoleptic

odorless

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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General description

Sodium citrate dihydrate is used as a buffer, pH controlling agent, emulsifier, sequestrant and complexing agent in food industry.

Application

Sodium citrate dihydrate is used as a buffering, sequestering, or emulsifying agent in food and beverages. It can also be used in detergent formulations due to its rapid biodegradability characteristics.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SHBP1660
SHBP0196
STBK4195
SHBN5691
STBK1660

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