25517

Sodium tartrate dibasic dihydrate

meets analytical specification of E335, ≥99%

• Synonym(s): L-(+)-Tartaric acid disodium salt, Disodium tartrate dihydrate, Sodium tartrate dihydrate
• Empirical Formula (Hill Notation): C₄H₄Na₂O₆ · 2H₂O
• CAS Number: 6106-24-7
• Molecular Weight: 230.08
• Beilstein/REAXYS Number: 6121732
• EC Number: 212-773-3
• MDL number: MFCD00150035
• UNSPSC Code: 12352300
• PubChem Substance ID: 24855293

Properties

• assay: ≥99%
• quality: meets analytical specification of E335
• impurities: residual solvents, in accordance; ≤0.001% ammonium (NH₄)
• loss: ≤17% loss on drying, 150 °C, 4 h
• pH: 7.0-7.5 (20 °C, 1%)
• anion traces: chloride (Cl^-): ≤50 mg/kg; oxalate (as oxalic acid): ≤100 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: As: ≤2 mg/kg; Ca: ≤100 mg/kg; Cu: ≤10 mg/kg; Fe: ≤10 mg/kg; Hg: ≤1 mg/kg; K: ≤200 mg/kg; Pb: ≤5 mg/kg; Zn: ≤10 mg/kg
• SMILES string: [Na+].[Na+].[H]O[H].[H]O[H].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O
• InChI: 1S/C4H6O6.2Na.2H2O/c5-1(3(7)8)2(6)4(9)10;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;2*1H2/q;2*+1;;/p-2/t1-,2-;;;;/m1..../s1
• InChI key: FGJLAJMGHXGFDE-DGFHWNFOSA-L

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Gloves, type N95 (US)