Potassium tartrate dibasic hemihydrate

• Catalog No.: 25510
• CAS Number: 6100-19-2
• M. F.: C4H6K2O7
• M. W.: 244.28284
• Purity: 99-102% (perchloric acid titration)

SYNONYMS

• Title: 酒石酸钾 半水合物
• IUPAC name: dipotassium (2R,3R)-2,3-dihydroxybutanedioate hydrate
• IUPAC Traditional name: dipotassium (+)-tartrate hydrate
• Synonyms: Dipotassium tartrate hemihydrate; 酒石酸二钾 半水合物; L-(+)-酒石酸 二钾盐; L-(+)-Tartaric acid dipotassium salt

DATABASE IDS

• CAS Number: 6100-19-2
• EC Number: 213-067-8
• MDL Number: MFCD00150136
• PubChem SID: 24855286
• Beilstein Number: 6121656

PROPERTIES

• Antion Traces: chloride (Cl-): ≤500 mg/kg
• Antion Traces: oxalate (as oxalic acid): ≤100 mg/kg
• Antion Traces: sulfate (SO42-): ≤1000 mg/kg
• Cation Traces: As: ≤3 mg/kg
• Cation Traces: Ca: ≤100 mg/kg
• Cation Traces: Cu: ≤10 mg/kg
• Cation Traces: Fe: ≤20 mg/kg
• Cation Traces: Hg: ≤1 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Impurities: ≤0.001% ammonium (NH4)
• Impurities: ≤0.001% heavy metals (as Pb)
• Linear Formula: KOOC(CHOH)2COOK · 0.5H2O
• Loss on Drying: ≤4% loss on drying, 150 °C, 4 h
• Purity: 99-102% (perchloric acid titration)
• Quality: meets analytical specification of DAC, E336
• pH: 7-9 (20 °C, 0.1%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3