半岛bd体育手机客户端 说明
分析说明
Appearance: Redishbrown powder, eventually with granular and bright parts.
Identity (UV/VIS-Spectrum): passes test
Identity (IR-spectrum): passes test
Absorption maximum λmax.(buffer pH 8.0): 490 - 492 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005?g/l; buffer pH 8.0; calc. on dried substance): ≥ 1850
Loss on drying (110?°C): ≤ 10 %
Suitability as indicator (Adsorption indicator for argentometry): passes test
基本信息
| 经验(实验)分子式 | C20H10Na2O5 |
| 分子量 | 376.27 |
| MDL编号 | MFCD00167039 |
| EC索引号 | 208-253-0 |
半岛bd体育手机客户端 性质
| agency | reag. Ph. Eur. |
| 质量水平 | 200 |
| 效能 | 6720 mg/kg LD50, oral (Rat) |
| 缺失 | ≤10% loss on drying, 110℃ |
| pH值(酸碱度) | 8.3 (20 ℃, 10 g/L in H2O) |
| mp | >300 ℃ |
| 溶解性 | 500 g/L |
| 堆积密度 | 600 kg/m3 |
| 储存温度 | 2-30℃ |
| InChI | 1S/C20H12O5.2Na/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;;/h1-10,21H,(H,23,24);;/q;2*+1/p-2 |
| InChI key | NJDNXYGOVLYJHP-UHFFFAOYSA-L |
安全信息
| 储存分类代码 | 11 - Combustible Solids |
| WGK | WGK 1 |
| 闪点(F) | 423.7 °F - Pensky-Martens closed cup |
| 闪点(C) | 217.6 ℃ - Pensky-Martens closed cup |
m.cnreagent.com
