Eriochrome blue-black B (C.I. 14640)

产品名称：

3564-14-5
Eriochrome blue-black B (C.I. 14640)
2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt

产品介绍：

产品说明

分析说明

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (buffer pH 10.0): 634 - 644 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance): 220 - 320
Loss on drying (110 °C): ≤ 10 %
Suitability as indicator (for metal titration): passes test

基本信息

经验(实验)分子式	C₂₀H₁₃N₂NaO₅S
分子量	416.38
EC索引号	222-639-6

产品性质

质量水平	200
效能	>5000 mg/kg LD₅₀, oral (Rat)
缺失	≤10% loss on drying, 110℃
pH值(酸碱度)	9.5 (20 ℃, 10 g/L in H₂O)
溶解性	20 g/L
堆积密度	540 kg/m³
储存温度	15-25℃
InChI	1S/C20H14N2O5S.Na/c23-17-11-18(28(25,26)27)14-7-3-4-8-15(14)19(17)22-21-16-10-9-12-5-1-2-6-13(12)20(16)24;/h1-11,21,24H,(H,25,26,27);/q;+1/p-1/b22-19-;
InChI key	YRFCCVCSEVISHI-GXTSIBQPSA-M

安全信息

象形图
警示用语：	Warning
危险声明	H319
预防措施声明	P264 - P280 - P305 + P351 + P338 - P337 + P313
危险分类	Eye Irrit. 2
储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable