sodium citrate dihydrate
2-hydroxy-1,2,3-propane tricarboxylic acid trisodium salt dihydrate
None found
  • Charkit Chemical
    • Charkit Chemical Corporation
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  • ECSA Chemicals
    • ECSA Chemicals
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      Sodium Citrate Dihydrate
  • Penta International
  • Sigma-Aldrich
    • Sigma-Aldrich
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      Sigma-Aldrich is a leading Life Science and High Technology company dedicated to providing high-quality, safe and certified flavor ingredients with transparent and easily accessible documentation to customers around the globe. Sigma-Aldrich also provides a suite of analytical tools that allow food analysts to simplify sample preparation, cleanup and analysis steps, while increasing sensitivity to trace ingredients and harmful substances to meet regulations and quality standards.
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      Certified Food Grade Products
      W302600 Sodium citrate dihydrate, ≥99%, FG
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trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate (Click)
CAS Number: 6132-04-3Picture of molecule
FDA UNII: B22547B95K
Nikkaji Web: C13249
Beilstein Number: 6104939
MDL: MFCD00150031
Molecular Weight: 294.09983784
Formula: C6 H9 Na3 O9
NMR Predictor: Predict (works with chrome or firefox)
Category: antioxidants and preservatives for fragrance and flavor
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar: Search
Google Books: Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist: Search
Google Patents: Search
US Patents: Search
EU Patents: Search
Pubchem Patents: Search
PubMed: Search
NCBI: Search
 FDA/DG SANTE Petitions, Reviews, Notices:
EU SANCO Sodium citrates View-review
FEMA Number: 3026  sodium citrate dihydrate
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Physical Properties:
Appearance: white powder (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
Melting Point: 301.00 to  303.00 °C. @ 760.00 mm Hg
Boiling Point: 308.00 to  309.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.000057 mm/Hg @ 25.00 °C. (est)
Flash Point: 311.00 °F. TCC ( 155.00 °C. )
logP (o/w): -1.721 (est)
Shelf Life: 12.00 month(s) or longer if stored properly.
Storage: store in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble in:
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Organoleptic Properties:
Odor Strength: none
Odor Description:
at 100.00 %. 
Odor and/or flavor descriptions from others (if found).
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: buffering agents
chelating agents
masking agents
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Sodium Citrate Dihydrate
Odor: odorless
Use: Sodium Citrate Dihydrate is derived from citric acid and is available in either free-flowing colorless granular or powder forms. It is odorless and freely soluble in water, but insoluble in alcohol. Storage at room temperature in tightly sealed containers is recommended. Sodium citrate anhydrous may be used for the same applications as the widely used dihydrate salt, but can provide particular benefit in dry products where the absence of moisture and/or a long shelf life is required.
Allan Chemical
Sodium Citrate
American Elements
Sodium Citrate Dihydrate 99%
Odor: characteristic
Use: Sodium Citrate Dihydrate is generally immediately available in most volumes. High purity, submicron and nanopowder forms may be considered. American Elements produces to many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards.
BBFY Industrial
Sodium Citrate Dihydrate
BOC Sciences
For experimental / research use only.
Sodium Citrate Dihydrate
Cargill, Inc.
Sodium citrate
Charkit Chemical
ECSA Chemicals
Sodium Citrate Dihydrate
Company Profile
EMD Millipore
For experimental / research use only.
tri-Sodium citrate dihydrate
Foodchem International
Sodium Citrate
Jungbunzlauer Suisse
Sodium Citrate Dihydrate
Penta International
Penta International
Santa Cruz Biotechnology
For experimental / research use only.
Sodium Citrate, Dihydrate ≥99%
Sodium citrate dihydrate, ≥99%, FG
Certified Food Grade Products
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Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
None - None found.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: antioxidants and preservatives for fragrance and flavor
Recommendation for sodium citrate dihydrate usage levels up to:
 not for fragrance use.
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 3
Click here to view publication 3
 average usual ppmaverage maximum ppm
baked goods: -220.00000
beverages(nonalcoholic): -490.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -15.00000
fruit ices: -15.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -40.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: 40.00000600.00000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
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Safety References: search
Daily Med: search
NIOSH International Chemical Safety Cards: search
NLM Developmental and Reproductive Toxicity: Search
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 71474
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 1
 trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
Chemidplus: 0006132043
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 trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
NIST Chemistry WebBook: Search Inchi
Pubchem (cid): 71474
Pubchem (sid): 135029242
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
KEGG (GenomeNet): C13249
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2918.15.0000
Household Products: Search
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
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Potential Blenders and core components note
None Found
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Potential Uses:
 buffering agents 
 chelating agents 
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Occurrence (nature, food, other): note
 not found in nature
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 citric acid trisodium salt dihydrate
2-hydroxy-1,2,3-propane tricarboxylic acid trisodium salt dihydrate
2-hydroxy-1,2,3-propanetricarboxylic acid trisodium salt dihydrate
1,2,3-propanetricarboxylic acid, 2-hydroxy-, sodium salt, hydrate (1:3:2)
 sodium 2-hydroxy-1,2,3-propanetricarboxylate hydrate (3:1:2)
 sodium 2-hydroxy-1,2,3-propanetricarboxylate hydrate(3:1:2)
 sodium 2-hydroxypropane-1,2,3-tricarboxylate hydrate (3:1:2)
 sodium citrate dihydrate granular
 sodium citrate dihydrate powder
 sodium citrate dihydrate USP/EP/JP
 sodium citrate tribasic dihydrate
 sodium citrate, dihydrate
 trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
 trisodium citrate dihydrate
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PubMed: Effects of gamma radiation on solid trisodium citrate dihydrate: radical kinetics, radiosensitivity and dosimetry.
PubMed: Sodium citrate dihydrate doped with Mn3+ ions.
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