Potassium bitartrate
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Potassium bitartrate
structure -
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CAS No:
868-14-4
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Formula:
C4H6O6.K
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Chemical Name:
Potassium bitartrate
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Synonyms:
Butanedioic acid,2,3-dihydroxy- (2R,3R)-,potassium salt (1:1);Tartaric acid,monopotassium salt;Butanedioic acid,2,3-dihydroxy-[R-(R*,R*)]-,monopotassium salt;Butanedioic acid,2,3-dihydroxy- (2R,3R)-,monopotassium salt;Acid potassium tartrate;Cream of tartar;Cremor tartari;Faecla;Faecula;Potassium acid tartrate;Potassium bitartrate;Potassium hydrogen tartrate;Potassium tartrate (KHC4H4O6);Tartar cream;Tartar;Faccula;Faccla;Monopotassium tartrate;Potassium hydrotartrate;Potassium hydrogen L(+)-tartrate;NSC 155080;35-04-1;6381-58-4
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CAS No:
Description
Also known as cream of tartar and potassium acid tartrate, KHC4H4O6 is white water soluble crystals or powder that is used in baking powder, for medicine, and as an acid and buffer in foods. Potassium bitartrate, also known as potassium hydrogen tartrate, has formula KC
4
H
5
O
6
, 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.
Potassium bitartrate Basic Attributes
188.18
186.965042
6119985
212-769-1
DTXSID6042313
COLORLESS CRYSTALS OR WHITE, CRYSTALLINE POWDER|SLIGHTLY OPAQUE CRYSTALS
A - Alimentary tract and metabolism
29181300
Characteristics
115
-0.76 (calculated)
Colorless opaque or white Crystals or Powder
1.984 g/cm3 @ Temp: 18 °C
267°C(dec.)
210℃
soluble in water and dilute mineral acid. Insoluble in alcohol.
Store at +15°C to +25°C.
32.5 º (c=10, 1N NaOH)
PLEASANT ACIDULOUS TASTE
COLORLESS, RHOMBIC CRYSTALS; SOL IN ACID, ALKALIES; INSOL IN ALC, ACETIC ACID; INDEX OF REFRACTION: 1.511, 1.550, 1.590 /D-FORM/|COLORLESS MONOCLINIC CRYSTALS; SOL IN MINERAL ACID, INSOL IN ALCOHOL; DENSITY: 1.954 /DL-FORM/
Safety Information
NONH for all modes of transport
1
24/25
WW8223000
Stable. Incompatible with strong oxidizing agents.
121.101; LIMITATIONS: GRAS, MISCELLANEOUS AND/OR GENERAL-PURPOSE FOOD ADDITIVE AND AS A SEQUESTRANT.
Potassium bitartrate Use and Manufacturing
By-products after alcohol removal in winemaking are obtained by recrystallization from the following method. The acid decomposition method of raw tartar solution is added with hydrochloric acid or sulfuric acid. After decolorization and filtration, a refined potassium tartrate potassium sulfate salt solution is obtained, and the soda ash is added to precipitate crystals and separated. Alkaline decomposition method: Raw tartar solution is neutralized with soda ash, decolorized, filtered, and sulfuric acid is added to precipitate crystals. After being neutralized by d-tartaric acid and potassium carbonate, add d-tartaric acid solution to crystallize it.
As analytical reagents, buffers, reducing agents, etc. used in condiments, food processing, electroplating, and pharmaceutical industries. Mainly used as a leavening agent in the food industry.Commonly used as analytical reagents for the pharmaceutical industry and the preparation of microbial culture media.As a loosening agent, it can be used for baking powder in my country.
(1972) GREATER THAN 4.54X10+5 GRAMS|(1975) GREATER THAN 4.54X10+5 GRAMS
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.
Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium salt (1:1): ACTIVE|INCOMPATIBILITIES: BECAUSE IT CONTAINS AN ACIDIC HYDROGEN, IT CAN REACT WITH ALKALINE SUBSTANCES. ITS SLIGHT SOLUBILITY SOMETIMES CAUSES DIFFICULTY IN LIQ MIXTURES.
CREAM OF TARTAR DETERMINED BY TITRATION.
EPA Safer Chemical Functional Use Classes -> Processing Aids and Additives|Safer Chemical Classes -> Green half-circle - The chemical is expected to be of low concern|Human Drugs -> FDA Approved Drug Products with Therapeutic Equivalence Evaluations (Orange Book) -> Active Ingredients
Computed Properties
Molecular Weight:188.18
Hydrogen Bond Donor Count:3
Hydrogen Bond Acceptor Count:6
Rotatable Bond Count:3
Exact Mass:187.97231936
Monoisotopic Mass:187.97231936
Topological Polar Surface Area:118
Heavy Atom Count:11
Complexity:157
Undefined Atom Stereocenter Count:2
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes
Drug Function and Efficacy
After being placed in the vagina, it absorbs vaginal secretions and dissolves and foams by itself, allowing the spermicide to spread quickly and be evenly distributed in various parts of the vagina, mechanically blocking the advancement of sperm, increasing the drug area, interacting with the lipoprotein membrane of sperm cells, and changing the permeability of sperm cells, thereby increasing the effectiveness of killing sperm or making sperm lose their vitality.
Registered Holders
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Changmao Biochemical Engineering Company Ltd.
Active
China
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Tianjin Xinherui Biotechnology Co., Ltd.
Inactive
China
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Zhongshan Wanhan Pharmaceuticals Co., Ltd.
Inactive
China
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