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| CAS No.: | 868-14-4 |
|---|---|
| Name: | L(+)-Potassium hydrogen tartrate |
| Molecular Structure: | |
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| Formula: | KC4H5O6 |
| Molecular Weight: | 188.178 |
| Synonyms: | Butanedioicacid, 2,3-dihydroxy- (2R,3R)-, monopotassium salt (9CI);Butanedioic acid,2,3-dihydroxy-[R-(R*,R*)]-, monopotassium salt;Tartaric acid, monopotassiumsalt (8CI);Acid potassium tartrate;Cream of tartar;Cremor tartari;Faccla;Faccula;Faecla;Faecula;Monopotassium tartrate;NSC 155080;Potassium acidtartrate;Potassium bitartrate;Potassium hydrogen L(+)-tartrate;Potassiumhydrogen tartrate;Potassium hydrotartrate;Potassium tartrate (KHC4H4O6);Tartar;Tartar cream; |
| EINECS: | 212-769-1 |
| Density: | 1.954 g/cm3 |
| Melting Point: | 267 °C (dec.) |
| Boiling Point: | 318℃[at 101 325 Pa] |
| Flash Point: | 210℃ |
| Solubility: | Soluble in water and dilute mineral acid. Insoluble in alcohol. |
| Appearance: | white crystalline powder |
| Safety: | 24/25 |
| PSA: | 117.89000 |
| LogP: | -3.45730 |
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- 868-14-4
potassium bitartrate
| Conditions | Yield |
|---|---|
| With water | |
| With water |
- 868-14-4
potassium bitartrate
| Conditions | Yield |
|---|---|
| With water |
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Specification
The Potassium bitartrate, with the CAS registry number 868-14-4, is also known as Butanedioic acid, 2,3-dihydroxy- (2R,3R)-, potassium salt (1:1). Its EINECS registry number is 212-769-1. This chemical's molecular formula is KC4H5O6 and molecular weight is 188.177. Its IUPAC name is called potassium (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate. When you are using this chemical, please be cautious about it. You must avoid contact with skin and eyes.
Physical properties of Potassium bitartrate: (1)H-Bond Donor: 3; (2)H-Bond Acceptor: 6; (3)Rotatable Bond Count: 3; (4)Exact Mass: 187.97232; (5)MonoIsotopic Mass: 187.97232; (6)Topological Polar Surface Area: 118; (7)Heavy Atom Count: 11; (8)Formal Charge: 0; (9)Complexity: 157; (10)Isotope Atom Count: 0; (11)Defined Atom StereoCenter Count: 2; (12)Undefined Atom StereoCenter Count: 0; (13)Defined Bond StereoCenter Count: 0; (14)Undefined Bond StereoCenter Count: 0; (15)Covalently-Bonded Unit Count: 2.
Preparation of Potassium bitartrate: this chemical can be prepared by tartaric acid and K2CO3. This reaction will need PH value 2. At last, it will gain Potassium bitartrate via cooling and crystallization.
2 H2C4H4O6+K2CO3→2 KHC4H4O6+CO2↑+H2O
Uses of Potassium bitartrate: In food, potassium bitartrate is used for: stabilising egg whites, increasing their heat tolerance and volume; Preventing sugar syrups from crystallising; Reducing discolouration of boiled vegetables; Frequent combination with baking soda, which requires an acid ingredient to activate it, in formulations of baking powder; Commonly used in combination with potassium chloride in sodium-free salt substitutes; Gingerbread house icing; Stabilising whipped cream stiffness, added after whipping. Potassium bitartrate can be used with white vinegar to make a paste-like cleaning agent.[citation needed] 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 acid tartrate, also known as potassium hydrogen tartrate, is, according to NIST, used as a primary reference standard for a pH buffer.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C(C(C(=O)[O-])O)(C(=O)O)O.[K+]
(2)Isomeric SMILES: [C@@H]([C@H](C(=O)[O-])O)(C(=O)O)O.[K+]
(3)InChI: InChI=1S/C4H6O6.K/c5-1(3(7)8)2(6)4(9)10;/h1-2,5-6H,(H,7,8)(H,9,10);/q;+1/p-1/t1-,2-;/m1./s1
(4)InChIKey: KYKNRZGSIGMXFH-ZVGUSBNCSA-M
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rat | LDLo | oral | 22gm/kg (22000mg/kg) | Toxicology and Applied Pharmacology. Vol. 3, Pg. 689, 1961. |