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1-Naphtholphthalein
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 |
| 4060231 | 1 G | 2940 | |||
| 4060231 | 5 G | 3060 |
产品别名
596-01-0
1-Naphtholphthalein
基本信息
| Empirical Formula【经验(实验)分子式】 | C28H18O4 |
| Molecular weight | 418.44 |
| MDL number | MFCD00036202 |
| EC Index Number【EC索引号】 | 209-875-5 |
| Analysis Note【分析说明】 | Identity (UV/VIS-Spectrum): passes test Transition range: pH 7.1 - pH 8.3pinkbrownish - blue Absorption maximum λ 1 (buffer pH 7.1): 470 - 485 nm Absorption maximum λ 2 (buffer pH 8.3): 649 - 654 nm Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 7.1; calc. on anhydrous substance): 100 - 180 Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; buffer pH 8.3; calc. on anhydrous substance): 360 - 520 Loss on drying (110 °C): ≤ 5 % |
产品性质
| Quality Level【质量水平】 | 200 |
| loss【缺失】 | ≤5% loss on drying, 110℃ |
| mp | 253-255 ℃ |
| bulk density【堆积密度】 | 350 kg/m3 |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H |
| InChI key | HQHBAGKIEAOSNM-UHFFFAOYSA-N |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
