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柠檬酸钠三盐基 二水合物
tri-Sodium citrate dihydrate
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4096422 | 500 G | 1230 | |||
| 4096422 | 1 KG | 1890 | |||
| 4096422 | 5 KG | 6020 |
产品别名
6132-04-3
柠檬酸钠三盐基 二水合物
tri-Sodium citrate dihydrate
Trisodium Citrate, Sodium Citrate, Dihydrate
Trisodium citrate dihydrate
Citric acid trisodium salt dihydrate
Sodium citrate tribasic dihydrate
柠檬酸 三钠盐 二水合物
柠檬酸三钠 二水合物
结构式
基本信息
| Linear Formula【线性分子式】 | HOC(COONa)(CH2COONa)2 · 2H2O |
| Molecular weight | 294.10 |
| Beilstein | 6104939 |
| MDL number | MFCD00150031 |
| EC Index Number【EC索引号】 | 200-675-3 |
| Linkage【联系】 | Replaces: SX0445; SX0445-1; SX0445-3; SX0445-5; SX0445-20 |
| Analysis Note【分析说明】 | Assay (perchloric acid titration): 99.0 - 101.0 % Assay (Perchloric acid titration, calc. on anhydrous substance): 99.0 - 101.0 % Identity: passes test Appearance of solution: passes test Insoluble matter: ≤ 0.005 % pH-value (5 %; water; 25 °C): 7.5 - 9.0 Acidity or alkalinity: passes test Chloride (Cl): ≤ 0.001 % Oxalate (C₂O₄): ≤ 0.0300 % Phosphate (PO₄): ≤ 0.002 % Sulfate (SO₄): ≤ 0.004 % Total nitrogen (N): ≤ 0.001 % Heavy metals (ACS): ≤ 0.0005 % Heavy metals (as Pb): ≤ 0.0005 % Ca (Calcium): ≤ 0.005 % Fe (Iron): ≤ 0.0005 % NH₃ (Ammonia): ≤ 0.003 % Readily carbonisable substance: passes test Water: 11.0 - 13.0 % Corresponds to ACS,ISO,Reag. Ph Eur |
| Legal Information【法律信息】 | EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany |
产品性质
| Quality Level【质量水平】 | 300 |
| grade【等级】 | ACS reagent |
| agency | reag. ISO reag. Ph. Eur. |
| Assay【测定】 | 99.0-101.0% (perchloric acid titration) 99.0-101.0% anhydrous basis (perchloric acid titration) |
| form【形式】 | solid |
| potency【效能】 | >8000 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 7.5-9.0 (25 ℃, 50 g/L in H2O) |
| mp | 150 ℃ (anhydrous substance) >300 ℃ (lit.) |
| bulk density【堆积密度】 | 600 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤0.001% oxalate (C2O42-): ≤0.0300% phosphate (PO43-): ≤0.002% sulfate (SO42-): ≤0.004% |
| cation traces【痕量阳离子】 | Ca: ≤ 0.005% Fe: ≤ 0.0005% N: ≤ 0.001% heavy metals: ≤ 0.0005% heavy metals (as Pb): ≤ 0.0005% |
| storage temp.【储存温度】 | 2-30℃ |
| SMILES string | O.O.[Na+].[Na+].[Na+].OC(CC([O-])=O)(CC([O-])=O)C([O-])=O |
| InChI | 1S/C6H8O7.3Na.2H2O/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;;2*1H2/q;3*+1;;/p-3 |
| InChI key | NLJMYIDDQXHKNR-UHFFFAOYSA-K |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
