产品说明
联系
Replaces: TX0010-1; TX0010
分析说明
Assay (alkalimetric): ≥ 99.5 %
Assay (alkalimetric, calculated on dried substance): 99.5 - 101.0 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 50 ppm
Spec. rotation [α²0/D (20 %; water calculated on dried substance): 12.0 - 12.8 °
Chloride (Cl): ≤ 5 ppm
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 50 ppm
Heavy metals (as Pb): ≤ 5 ppm
Total sulfur (as SO₄): ≤ 20 ppm
Ca (Calcium): ≤ 20 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Oxalate (C₂O₄): passes test
Oxalic acid: ≤ 350 ppm
Sulfated ash: ≤ 100 ppm
Loss on Drying (105°C): ≤ 0.2 %
Corresponds to ACS,ISO,Reag. Ph Eur
法律信息
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | HOOCCH(OH)CH(OH)COOH |
| 分子量 | 150.09 |
| MDL编号 | MFCD00064207 |
| EC索引号 | 201-766-0 |
产品性质
| 质量水平 | 300 |
| 等级 | ACS reagent |
| 机构 | reag. ISO reag. Ph. Eur. |
| 蒸汽压 | <5 Pa ( 20 ℃) |
| 测定 | ≥99.5-101.0% dry basis (alkalimetric) |
| 形式 | solid |
| 自燃温度 | 425 ℃ |
| pH值(酸碱度) | 1.6 (25 ℃, 100 g/L in H2O) |
| mp | 168-170 ℃ |
| 转变温度 | flash point 210 ℃ |
| 溶解性 | water: 1390 g/L at 20 ℃ |
| 密度 | 1.76 g/cm3 at 20 ℃ |
| 堆积密度 | 1000 kg/m3 |
| 痕量阳离子 | Ca: ≤20 ppm Cu: ≤5 ppm Fe: ≤5 ppm Pb: ≤5 ppm heavy metals (as Pb): ≤5 ppm |
| 储存温度 | 2-30℃ |
| InChI | 1S/C4H6O6/c5-1(3(7)8)2(6)4(9)10/h1-2,5-6H,(H,7,8)(H,9,10) |
| InChI key | FEWJPZIEWOKRBE-UHFFFAOYSA-N |
安全信息
| 象形图 |  |
| 警示用语： | Danger |
| 危险声明 | H318 |
| 预防措施声明 | P280 - P305 + P351 + P338 |
| 危险分类 | Eye Dam. 1 |
| 储存分类代码 | 13 - Non Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | 302.0 °F - closed cup |
| 闪点(C) | 150 ℃ - closed cup |
SUPELCO
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