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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:
6104939
EC Number:
200-675-3
MDL number:
MFCD00150031
UNSPSC Code:
12164502
PubChem Substance ID:
24901436
E Number:
E 331 (iii)

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 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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