产品说明
分析说明
Assay (alcalimetric, calc. as dihydrate): ≥ 99.5 %
Chloride (Cl): ≤ 5000 ppb
Phosphate (PO₄): ≤ 500 ppb
Sulfate (SO₄): ≤ 2000 ppb
Ag (Silver): ≤ 10 ppb
Al (Aluminium): ≤ 20 ppb
As (Arsenic): ≤ 1.0 ppb
Au (Gold): ≤ 1.0 ppb
Ba (Barium): ≤ 100 ppb
Be (Beryllium): ≤ 1.0 ppb
Bi (Bismuth): ≤ 1.0 ppb
Ca (Calcium): ≤ 100 ppb
Cd (Cadmium): ≤ 50 ppb
Co (Cobalt): ≤ 5 ppb
Cr (Chromium): ≤ 10 ppb
Cu (Copper): ≤ 5 ppb
Fe (Iron): ≤ 50 ppb
Ga (Gallium): ≤ 1.0 ppb
Ge (Germanium): ≤ 1.0 ppb
In (Indium): ≤ 1.0 ppb
K (Potassium): ≤ 200 ppb
Li (Lithium): ≤ 5 ppb
Mg (Magnesium): ≤ 20 ppb
Mn (Manganese): ≤ 5 ppb
Mo (Molybdenum): ≤ 5 ppb
Na (Sodium): ≤ 100 ppb
Ni (Nickel): ≤ 10 ppb
Pb (Lead): ≤ 10 ppb
Pt (Platinum): ≤ 1.0 ppb
Sb (Antimony): ≤ 1.0 ppb
Sn (Tin): ≤ 5 ppb
Sr (Strontium): ≤ 100 ppb
Ti (Titanium): ≤ 5 ppb
Tl (Thallium): ≤ 1.0 ppb
U (Uranium): ≤ 1.0 ppb
V (Vanadium): ≤ 10 ppb
Zn (Zinc): ≤ 20 ppb
法律信息
SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| 线性分子式 | (COOH)2 · 2 H2O |
| 分子量 | 126.07 |
| MDL编号 | MFCD00149102 |
| EC索引号 | 205-634-3 |
产品性质
| 等级 | for inorganic trace analysis |
| 质量水平 | 100 |
| 蒸汽压 | 0.000312 hPa ( 25 ℃) |
| 测定 | ≥99.5% (calculated as dihydrate, alkalimetric) |
| 形式 | solid |
| 效能 | 375 mg/kg LD50, oral (Rat) |
| pH值(酸碱度) | 1.5 (10 g/L in H2O) |
| bp | 149-160 ℃/1013 hPa (decomposition) |
| mp | 98-100 ℃ |
| 转变温度 | flash point 157 ℃ (decomposition) |
| 溶解性 | water: >100 g/L at 25 ℃ |
| 密度 | 1.65 g/cm3 at 20 ℃ |
| 堆积密度 | 813 kg/m3 |
| 痕量阴离子 | chloride (Cl-): ≤5000 ppb phosphate (PO43-): ≤500 ppb sulfate (SO42-): ≤2000 ppb |
| 痕量阳离子 | Ag: ≤10 ppb Al: ≤20 ppb As: ≤1.0 ppb Au: ≤1.0 ppb Ba: ≤100 ppb Be: ≤1.0 ppb Bi: ≤1.0 ppb Ca: ≤100 ppb Cd: ≤50 ppb Co: ≤5 ppb Cr: ≤10 ppb Cu: ≤5 ppb Fe: ≤50 ppb Ga: ≤1.0 ppb Ge: ≤1.0 ppb In: ≤1.0 ppb K: ≤200 ppb Li: ≤5 ppb Mg: ≤20 ppb Mn: ≤5 ppb Mo: ≤5 ppb Na: ≤100 ppb Ni: ≤10 ppb Pb: ≤10 ppb Pt: ≤1.0 ppb Sb: ≤1.0 ppb Sn: ≤5 ppb Sr: ≤100 ppb Ti: ≤5 ppb Tl: ≤1.0 ppb U: ≤1.0 ppb V: ≤10 ppb Zn: ≤20 ppb |
| 储存温度 | 2-30℃ |
| InChI | 1S/C2H2O4.2H2O/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);2*1H2 |
| InChI key | GEVPUGOOGXGPIO-UHFFFAOYSA-N |
安全信息
| 象形图 |   |
| 警示用语： | Danger |
| 危险声明 | H302 + H312 - H318 |
| 预防措施声明 | P264 - P270 - P280 - P301 + P312 - P302 + P352 + P312 - P305 + P351 + P338 |
| 危险分类 | Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 |
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
