868-14-4 - Names and IdentifiersNamePotassium bitartrateSynonymsCream of tartarL(+)-Potassium h
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| Name | Potassium bitartrate |
| Synonyms | Cream of tartar L(+)-Potassium hydro Potassium bitartrate Potassium Bitartarate Radix Notoginseng P.E. Potassium acid tartrate Acid potassium tartrate PotassiuM Bitartrate (AS) Potassium hydrogen tartrate Potassium Bitartrate, powder L(+)-Potassium Hydrogen Tartrate potassium 3-carboxy-2,3-dihydroxypropanoate potassium (2R,3R)-3-carboxy-2,3-dihydroxypropanoate Butanedioic acid, 2,3-dihydroxy-(R-(R*,R*))-, monopotassiu Potassium hydrogen L-tartrate Tartaric acid monopotassium salt L-(+)-Tartaric acid monopotassium salt, Potassium hydrogen L-tartrate L(+)-Tartaric acid monopotassium salt, Potassium L-tartrate monobasic, Potassium bitartrate, Potassium hydrogen L-tartrate, Tartaric acid monopotassium salt |
| CAS | 868-14-4 35-04-1 6381-58-4 |
| EINECS | 212-769-1 |
| InChI | InChI=1/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-2 |
| Molecular Formula | C4H5KO6 |
| Molar Mass | 188.18 |
| Density | 1.954g/mLat 25°C(lit.) |
| Melting Point | 267°C (dec.) |
| Boling Point | 318℃[at 101 325 Pa] |
| Specific Rotation(α) | 32.5 º (c=10, 1N NaOH) |
| Flash Point | 210℃ |
| Water Solubility | Soluble in water and dilute mineral acid. Insoluble in alcohol. |
| Solubility | 1g dissolved in 162ml of water, 16ml of boiling water and 8820ml of ethanol. Easily soluble in dilute mineral acid, alkali solution and borax solution, soluble in boiling water, slightly soluble in cold water, very slightly soluble in alcohol. |
| Vapor Presure | 30.69hPa at 25.2℃ |
| Appearance | White crystalline powder |
| Specific Gravity | 1.954 |
| Color | Colorless opaque or white |
| Odor | Odorless |
| Merck | 14,7615 |
| BRN | 6119985 |
| PH | 3.4-3.7 (H2O, 20℃)(saturated solution) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Sensitive | Easily absorbing moisture |
| MDL | MFCD00065392 |
| Physical and Chemical Properties | Colorless or white crystalline powder. The relative density was 1.984. Soluble in dilute inorganic acid, alkali solution or borax solution. Insoluble in ethanol or acetic acid. Solubility in water. t,℃ 0 20 40 60 80 100KHC4H4O6,% 0.32 0.54 1.19 2.40 4.40 6.50 |
| Use | Used as Capacity Analysis, buffer, reducing agent and food industry leavening agent |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 1 |
| RTECS | WW8223000 |
| TSCA | Yes |
| HS Code | 29181300 |
| Raw Materials | Hydrogen peroxide (2R,3R)-2,3-Dihydroxybernsteinsaeure Potassium hydroxide Maleic anhydride Potassium carbonate |
| Downstream Products | Potassium bitartrate |
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