potassium bitartrate
butanedioic acid, 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt (9CI)
abnormal concretion or calcified deposit that forms around the teeth or dental prostheses. Obt. from sediment in wine manuf. Used in food processing as a nutrient, pH control agent and leavening agent Potassium bitartrate can be used with white vinegar to make a paste-like cleaning agent. It is a vital ingredient in Play-Doh and gingerbread house icing. This mixture is sometimes mistakenly made with vinegar and sodium bicarbonate (baking soda), which actually react to neutralise each other, creating carbon dioxide and a sodium acetate solution.; Potassium bitartrate, also known as potassium hydrogen tartrate, has formula KC4H5O6. It is a byproduct of winemaking. In cooking it is known as cream of tartar. It is the potassium acid salt of tartaric acid, a carboxylic acid.
  • American International Chemical, LLC.
    • American International Chemical, Inc.
      Consistent sources
      North American supplier for globally sourced ingredients.
      AIC is a Framingham, MA based ISO Certified sales and marketing company serving the food, pharmaceutical, nutritional, personal care, biotech, and industrial markets of North America since 1972. Our success is a result of a company culture built on customer needs, along with partnerships with global manufacturers committed to the rigors and demands of the North American market. Our team of 30 Sales Representatives, along with our 19 strategically located warehouses are ready to supply product when and where you need it.
      Email: Info
      Voice: (800) 238-0001
      CRMTAT Cream of Tartar FCC (Potassium Bitartrate)
  • ECSA Chemicals
    • ECSA Chemicals
      International trading and distribution
      ECSA Group offers its customers in these business segments a complete 'one-stop shopping' solution.
      A hundred years on from its establishment, the Emanuele Centonze Holding SA has developed a solid presence in Switzerland and in Europe. The Group currently includes: ECSA Chemicals AG/ECSA Italia SRL SocietÓ con Unico Socio – ECSA Maintenance AG – ECSA Energy SA – Porta Ticino Easy Stop SA. The Group operates in the distribution of chemical and petroleum products, in the international trading of commodities, and in the distribution of maintenance systems. With 285 employees, a consolidated turnover of 335 million Swiss Francs in 2015, and more than 15,000 active customers, the Group ranks among the top 500 companies in Switzerland. ECSA operates in Switzerland and the EU, and in particular has consolidated its geographical position on the main axis linking northern and southern Europe, thus creating a competitive and privileged logistical hub.
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      Voice: +41 91 695 88 00
      Fax: +41 91 695 88 01
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      Company Profile
      Products List: View
      monoPotassium Tartrate
  • Penta International
    • Penta International Corporation
      Chemistry innovation
      At Penta, our products and services help businesses do business better.
      For over 30 years, Penta Manufacturing Company has played a growing role in worldwide chemistry innovations and applications. As an industry leader, Penta continues to pioneer chemistry-based solutions for practically every area of commerce. Our products and expertise have helped fuel technical advances in dozens of commercial applications including flavoring, coloring, fragrances and chemical processes.
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potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate (Click)
CAS Number: 868-14-4Picture of molecule
Other: 35-04-1
ECHA EINECS - REACH Pre-Reg: 212-769-1
Nikkaji Web: J9.201K
MDL: MFCD00065392
Molecular Weight: 188.17735000
Formula: C4 H5 K O6
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Category: anticaking agents
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
 FDA/DG SANTE Petitions, Reviews, Notices:
184.1077 L(+) potassium acid tartrate View-review
EU SANCO Potassium tartrates View-review
GSFA Codex: Monopotassium tartrate (336(i))
DG SANTE Food Additives: potassium tartrate
FDA Regulation:
Subpart B--Requirements for Specific Standardized Fruit Butters, Jellies, Preserves, and Related Products
Sec. 150.141 Artificially sweetened fruit jelly.

Subpart B--Requirements for Specific Standardized Fruit Butters, Jellies, Preserves, and Related Products
Sec. 150.161 Artificially sweetened fruit preserves and jams.

Subpart B--Listing of Specific Substances Affirmed as GRAS
Sec. 184.1077 Potassium acid tartrate.
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Physical Properties:
Food Chemicals Codex Listed: No
Specific Gravity: 1.95400 @  25.00 °C.
logP (o/w): -5.140 (est)
Soluble in:
 water, 6170 mg/L @ 25 °C (exp)
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Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: buffering agents
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American Elements
Potassium Bitartrate 99%
Odor: characteristic
Use: Potassium Bitartrate 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.
American International Chemical, LLC.
Cream of Tartar FCC (Potassium Bitartrate)
American Natural & Organic Spices
Cream Of Tarter
Camden-Grey Essential Oils
Cream of Tartar, Bulk
Odor: characteristic
Use: This food-grade product is of U.S. origin. Our cream of tartar is manufactured from grapes, a by-product of wine making and grape-juice concentrate production. Furthermore, the raw materials used are not genetically modified, irradiated nor produced using sewage sludge.
Doug Jeffords Company
Cream Tartar
ECSA Chemicals
monoPotassium Tartrate
Company Profile
EMD Millipore
For experimental / research use only.
Potassium hydrogen tartrate
Graham Chemical
Potassium Bitartrate
Kraft Chemical
Penta International
Sigma-Aldrich: Aldrich
For experimental / research use only.
Potassium L-tartrate monobasic 99%
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Safety Information:
Preferred SDS: View
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:
oral-rat LDLo  22000 mg/kg
Toxicology and Applied Pharmacology. Vol. 3, Pg. 689, 1961.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
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Safety in Use Information:
Category: anticaking agents
Recommendation for potassium bitartrate usage levels up to:
 not for fragrance use.
Recommendation for potassium bitartrate flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
NLM Hazardous Substances Data Bank: Search
Chemical Carcinogenesis Research Information System: Search
Env. Mutagen Info. Center: Search
EPA Substance Registry Services (TSCA): 868-14-4
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 23681127
National Institute of Allergy and Infectious Diseases: Data
WGK Germany: 1
 potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
Chemidplus: 0000868144
RTECS: WW8223000 for cas# 868-14-4
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 potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 868-14-4
Pubchem (cid): 23681127
Pubchem (sid): 134980572
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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
FDA Everything Added to Food in the United States (EAFUS): View
KEGG (GenomeNet): D01561
HMDB (The Human Metabolome Database): Search
FooDB: FDB016908
Export Tariff Code: 2918.13.2000
Haz-Map: View
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Wikipedia: View
RSC Learn Chemistry: View
•this salt is one of the ingredients in compd jalap powder, formerly in the nf. •salt is @ least 99.5% pure. •grades: technical; nf; fcc.
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Potential Blenders and core components note
None Found
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Potential Uses:
None Found
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Occurrence (nature, food, other): note
 grape leaf
Search Trop  Picture
 not found in nature
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 acid potassium tartrate
 butanedioic acid 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt
 butanedioic acid, 2,3-dihydroxy- (2R,3R)-, monopotassium salt
 butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium salt (1:1)
 butanedioic acid, 2,3-dihydroxy- (theta-(theta,theta))-, monopotassium salt
 butanedioic acid, 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt
 butanedioic acid, 2,3-dihydroxy-, (R-(R*,R*))-, monopotassium salt (9CI)
 cream of tartar
 potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
monopotassium 2,3-dihydroxybutanedioate, (R-(R*,R*))-
 potassium acid salt of L-(+)-tartaric acid
 potassium acid tartrate
 potassium hydrogen L-tartrate
 potassium hydrogen tartrate
 potassium L-bitartrate
 potassium L-tartrate (KHC4H5O6)
 potassium laevo-bitartrate
 potassium tartrate
monopotassium tartrate
 tartaric acid monopotassium salt
L-()-tartaric acid monopotassium salt
L-(+)-tartaric acid monopotassium salt
L(+)-tartaric acid monopotassium salt
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PubMed: Decreasing pH results in a reduction of anthocyanin coprecipitation during cold stabilization of purple grape juice.
PubMed: Effect of different physicochemical de-tartration methods on red grape juice quality.
PubMed: Investigation of release pattern of a drug with low solubility through asymmetric membrane capsules.
PubMed: Life-threatening hyperkalemia from cream of tartar ingestion.
PubMed: Short- and long-term efficiency of carboxymethylcellulose (CMC) to prevent crystal formation in South African wine.
PubMed: Role or carbon dioxide-releasing suppositories in the treatment of chronic functional constipation: a double-blind, randomised, placebo-controlled trial.
PubMed: Transporters expressed during grape berry (Vitis vinifera L.) development are associated with an increase in berry size and berry potassium accumulation.
PubMed: Graphic determination of equivalence volumes in potentiometric titrations of mixtures of weak acids-II Titration of a dibasic acid and determination of its two acid species H(2)A and HA(-).
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