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Barbituric Acid
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 |
| 4060338 | 25 G | 1650 | |||
| 4060338 | 100 G | 3290 |
产品别名
67-52-7
Barbituric Acid
2,4,6-Trihydroxypyrimidine, N,N′-Malonylurea
基本信息
| Empirical Formula【经验(实验)分子式】 | C4H4N2O3 |
| Molecular weight | 128.09 |
| MDL number | MFCD00006666 |
| EC Index Number【EC索引号】 | 200-658-0 |
| Linkage【联系】 | Replaces: BX0035; BX0035-3 |
| Analysis Note【分析说明】 | Assay (acidimetric): ≥ 99 Identity (IR-spectrum): passes test Chloride (Cl): ≤ 40 ppm Heavy metals (as Pb): ≤ 50 ppm Fe (Iron): ≤ 10 ppm Sulfated ash: ≤ 0.1 % Loss on Drying (105°C): ≤ 0.1 % Suitability as reagent (for cyanide determination): passes test |
| 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 |
| Assay【测定】 | ≥99% (acidimetric) |
| form【形式】 | solid |
| potency【效能】 | >5000 mg/kg LD50, oral (Rat) |
| pH【pH值(酸碱度)】 | 2-3 (60 ℃, 50 g/L in H2O) |
| mp | 250-252 ℃ (decomposition) |
| solubility【溶解性】 | 11.45 g/L |
| bulk density【堆积密度】 | 720 kg/m3 |
| anion traces【痕量阴离子】 | chloride (Cl-): ≤40 ppm |
| cation traces【痕量阳离子】 | Fe: ≤10 ppm heavy metals (as Pb): ≤50 ppm |
| storage temp.【储存温度】 | 15-25℃ |
| InChI | 1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9) |
| InChI key | HNYOPLTXPVRDBG-UHFFFAOYSA-N |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 1 |
| Flash Point(F)【闪点(F)】 | 302.0 °F - closed cup |
| Flash Point(C)【闪点(C)】 | 150.00 ℃ - closed cup |
