potassium citrate anhydrous
1,2,3-propanetricarboxylic acid, 2-hydroxy-, potassium salt (1:3)
None found
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tripotassium 2-hydroxypropane-1,2,3-tricarboxylate (Click)
CAS Number: 866-84-2Picture of molecule
ECHA EINECS - REACH Pre-Reg: 212-755-5
Nikkaji Web: J7.148J
MDL: MFCD00150442
Molecular Weight: 306.39515000
Formula: C6 H5 K3 O7
NMR Predictor: Predict (works with chrome or firefox)
Category: buffering agents, sequestrants, yeast food
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
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 FDA/DG SANTE Petitions, Reviews, Notices:
184.1625 Potassium citrate View-review
EU SANCO Potassium citrates View-review
JECFA Food Additive: Potassium Dihydrogen Citrate

Tripotassium Citrate
GSFA Codex: Potassium dihydrogen citrate (332(i))

Tripotassium citrate (332(ii))
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Physical Properties:
Appearance: white crystalline powder (est)
Assay: 99.00 to 100.00 % 
Food Chemicals Codex Listed: No
logP (o/w): -0.280 (est)
Soluble in:
 water, 606000 mg/L @ 25 °C (exp)
 alcohol, very slightly
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Organoleptic Properties:
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
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American Elements
Potassium Citrate Anhydrous 99%
Odor: characteristic
Use: Potassium Citrate 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.
Graham Chemical
Potassium Citrate
Jungbunzlauer Suisse
Tripotassium Citrate
Flavor: characteristic
Tripotassium citrate monohydrate is the common tribasic potassium salt of citric acid, also known as potassium citrate. It is produced by complete neutralization of citric acid with a high purity potassium source and subsequent crystallisation. Tripotassium citrate is used in foods, beverages, and technical applications as buffering, sequestering or emulsifying agent. It usually replaces trisodium citrate whenever a low sodium content is desired. In pharmaceuticals it is used as potassium source and as active ingredient to treat urinary duct stones. When added to oral care products, tripotassium citrate is the active ingredient to reduce the sensitivity of the teeth.
For experimental / research use only.
Potassium citrate tribasic solution BioUltra, 1 M in H2O
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Safety Information:
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: buffering agents, sequestrants, yeast food
Recommendation for potassium citrate anhydrous usage levels up to:
 not for fragrance use.
Recommendation for potassium citrate anhydrous flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
ClinicalTrials.gov: search
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EPA Substance Registry Services (TSCA): 866-84-2
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 13344
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 3
 tripotassium 2-hydroxypropane-1,2,3-tricarboxylate
Chemidplus: 0000866842
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 tripotassium 2-hydroxypropane-1,2,3-tricarboxylate
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 866-84-2
Pubchem (cid): 13344
Pubchem (sid): 134980566
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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
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•potassium citrate, nf. powder, nf. tablets, 2.3 meq of k+ and 0.8 meq of c6h5o7(3-) (250 mg), 2.8 meq of k+ and 0.9 meq of c6h5o7(3-) (300 mg), and 5.6 meq of k+ and 1.8 meq of c6h5o7(3-) (600 mg). •it is at least 99% pure. •grades: technical; cp; nf; fcc.
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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, potassium salt
 potassium tribasic citrate
1,2,3-propanetricarboxylic acid, 2-hydroxy-, potassium salt
1,2,3-propanetricarboxylic acid, 2-hydroxy-, potassium salt (1:3)
1,2,3-propanetricarboxylic acid, 2-hydroxy-, tripotassium salt
 tripotassium 2-hydroxypropane-1,2,3-tricarboxylate
 tripotassium cirtate
 tripotassium citrate
 tripotassium citrate anhydrous
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