柠檬酸钠 二水合物

• 产品号: 25116
• CAS号: 6132-04-3
• 分子式: C6H9Na3O9
• 分子量: 294.09957
• 纯 度: 99-100.5% (calc. to the dried substance)

产品别名

• 标题: Sodium citrate tribasic dihydrate
• IUPAC标准名: trisodium 2-hydroxypropane-1,2,3-tricarboxylate dihydrate
• IUPAC传统名: trisodium citrate dihydrate
• 别名: 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

产品登记号

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

产品性质

• 痕量阴离子: chloride (Cl-): ≤30 mg/kg
• 痕量阴离子: oxalate (as oxalic acid): ≤100 mg/kg
• 痕量阴离子: sulfate (SO42-): ≤50 mg/kg
• 痕量阴离子: tartrate (C4H4O62-): in accordance
• 痕量阳离子: As: ≤1 mg/kg
• 痕量阳离子: Cu: ≤10 mg/kg
• 痕量阳离子: Fe: ≤10 mg/kg
• 痕量阳离子: Hg: ≤1 mg/kg
• 痕量阳离子: Pb: ≤1 mg/kg
• 痕量阳离子: Zn: ≤10 mg/kg
• 级别: puriss.
• 杂质: Residual solvent, in accordance
• 杂质: acidity or alkalinity, complies
• 杂质: ≤0.0005% heavy metals (as Pb)
• 杂质: ≤0.04% free alkali (as NaOH)
• 杂质: ≤0.06% free acid (as C6H8O7)
• 杂质: 11.0-13.0 water (Karl Fischer)
• 线性分子式: HOC(COONa)(CH2COONa)2 · 2H2O
• 干燥失重: 11-13% loss on drying, 180 °C, 18 h
• 纯度: 99-100.5% (calc. to the dried substance)
• 品质说明: meets analytical specification of Ph. Eur., BP, USP, FCC, E331
• 适用性: alkaline for reaction against litmus
• 适用性: complies for appearance of solution
• 适用性: complies for reaction against H2SO4
• 熔点: >300 °C(lit.)
• pH值: 7.5-9.0 (20 °C, 5%)
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• 德国WGK号: 1