Sodium citrate tribasic dihydrate

• Catalog No.: 25116
• CAS Number: 6132-04-3
• M. F.: C6H9Na3O9
• M. W.: 294.09957
• Purity: 99-100.5% (calc. to the dried substance)

SYNONYMS

• Title: 柠檬酸钠 二水合物
• IUPAC name: trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
• IUPAC Traditional name: trisodium citrate dihydrate
• Synonyms: 柠檬酸 三钠盐 二水合物; Trisodium citrate dihydrate; 柠檬酸三钠 二水合物; Citric acid trisodium salt dihydrate

DATABASE IDS

• MDL Number: MFCD00150031
• CAS Number: 6132-04-3
• EC Number: 200-675-3
• PubChem SID: 24855112
• Beilstein Number: 6104939

PROPERTIES

• Antion Traces: chloride (Cl-): ≤30 mg/kg
• Antion Traces: oxalate (as oxalic acid): ≤100 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Antion Traces: tartrate (C4H4O62-): in accordance
• Cation Traces: As: ≤1 mg/kg
• Cation Traces: Cu: ≤10 mg/kg
• Cation Traces: Fe: ≤10 mg/kg
• Cation Traces: Hg: ≤1 mg/kg
• Cation Traces: Pb: ≤1 mg/kg
• Cation Traces: Zn: ≤10 mg/kg
• Grade: puriss.
• Impurities: Residual solvent, in accordance
• Impurities: acidity or alkalinity, complies
• Impurities: ≤0.0005% heavy metals (as Pb)
• Impurities: ≤0.04% free alkali (as NaOH)
• Impurities: ≤0.06% free acid (as C6H8O7)
• Impurities: 11.0-13.0 water (Karl Fischer)
• Linear Formula: HOC(COONa)(CH2COONa)2 · 2H2O
• Loss on Drying: 11-13% loss on drying, 180 °C, 18 h
• Purity: 99-100.5% (calc. to the dried substance)
• Quality: meets analytical specification of Ph. Eur., BP, USP, FCC, E331
• Suitability: alkaline for reaction against litmus
• Suitability: complies for appearance of solution
• Suitability: complies for reaction against H2SO4
• Melting Point: >300 °C(lit.)
• pH: 7.5-9.0 (20 °C, 5%)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1