25506

Potassium L-tartrate monobasic

puriss., meets analytical specification of Ph.Eur., BP, FCC, 99.5-100.5% (related to dried substance)

• Synonym(s): Potassium bitartrate, L-(+)-Tartaric acid monopotassium salt, Potassium hydrogen L-tartrate
• Empirical Formula (Hill Notation): C₄H₅KO₆
• CAS Number: 868-14-4
• Molecular Weight: 188.18
• Beilstein/REAXYS Number: 6119985
• EC Number: 212-769-1
• MDL number: MFCD00065392
• UNSPSC Code: 51113400
• PubChem Substance ID: 57648124
• NACRES: NA.22

Properties

• grade: puriss.
• Quality Level: 200
• assay: 99.5-100.5% (related to dried substance)
• form: powder
• optical activity: [α]20/D +8.0 to +9.2°
• quality: meets analytical specification of Ph.Eur., BP, FCC
• impurities: residual solvents, in accordance; ≤0.001% heavy metals (as Pb); ≤0.05% oxalic acid
• loss: ≤0.2% loss on drying, 105 °C
• anion traces: chloride (Cl^-): ≤500 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: As: ≤1 mg/kg; Pb: ≤10 mg/kg
• application(s): pharmaceutical (small molecule)
• functional group: carboxylic acid; hydroxyl
• SMILES string: [K+].O[C@H]([C@@H](O)C([O-])=O)C(O)=O
• 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
• InChI key: KYKNRZGSIGMXFH-ZVGUSBNCSA-M

Description

Application

Potassium L-tartrate monobasic can be used as a reducing agent to synthesize:

• Gold, palladium, silver and platinum nanoparticles from their salts.
• Polyvinylpyrrolidone capped platinum (PVP-Pt) nanoparticles from chloroplatinic acid and PVP.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: 410.0 °F
• flash_point_c: 210 °C
• ppe: Eyeshields, Gloves, type N95 (US)