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Alizarin red S mono sodiumsalt (C.I. 58005)
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| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 4082317 | 25 G | 1090 | |||
| 4082317 | 100 G | 3310 |
产品别名
130-22-3
Alizarin red S mono sodiumsalt (C.I. 58005)
基本信息
| Empirical Formula【经验(实验)分子式】 | C14H7NaO7S |
| Molecular weight | 342.26 |
| MDL number | MFCD00013049 |
| EC Index Number【EC索引号】 | 204-981-8 |
| General description【一般描述】 | for analysis and indicator |
| Analysis Note【分析说明】 | Identity (UV/VIS-Spectrum): passes test 1st transition range: pH 4.3 - pH 6.3 Lightly yellow - pink 2nd transition range: pH 9.4 - pH 12.0 Brown orange - violet Absorption maximum λ 1 (buffer pH 4.3): 418 - 424 nm Absorption maximum λ 2 (buffer pH 6.3): 510 - 517 nm Absorption maximum λ 3 (buffer pH 9.4): 444 - 450 nm Absorption maximum λ 4 (buffer pH 12.0): 554 - 558 nm Spec. Absorptivity A 1%/1cm (λ1max; 0.01 g/l; buffer pH 4.3; calc. on dried substance): 135 - 180 Spec. Absorptivity A 1%/1cm (λ2max; 0.01 g/l; buffer pH 6.3; calc. on dried substance): 145 - 210 Spec. Absorptivity A 1%/1cm (λ3max; 0.01 g/l; buffer pH 9.4; calc. on dried substance): 170 - 230 Spec. Absorptivity A 1%/1cm (λ4max; 0.01 g/l; buffer pH 12.0; calc. on dried substance): 340 - 520 Loss on drying (110 °C): ≤ 10 % |
产品性质
| Quality Level【质量水平】 | 200 |
| loss【缺失】 | ≤10% loss on drying, 110℃ |
| visual transition interval【视觉变色范围】 | 4.3 - 6.3, yellow to pink 9.4 - 12.0, brown-orange to violet |
| storage temp.【储存温度】 | 2-30℃ |
| InChI | 1S/C14H8O7S.Na/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18;/h1-5,17-18H,(H,19,20,21);/q;+1/p-1 |
| InChI key | HFVAFDPGUJEFBQ-UHFFFAOYSA-M |
安全信息
| Storage Class Code【储存分类代码】 | 11 - Combustible Solids |
| WGK | WGK 3 |
