Eriochrome black T (C.I. 14645)

产品名称：

1787-61-7
Eriochrome black T (C.I. 14645)
Chrome black T, 2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitronaphthalene-4-sulfonic acid sodium salt

产品介绍：

产品说明

联系

Replaces: EX0100-5; EX0100

分析说明

Identity (UV/VIS-Spectrum): passes test
Appearance: Black to dark brown-black fine powder, eventually with granular parts
Clarity of solution: passes test
Absorption maximum λ_max. (buffer pH 10.0): 612 - 616 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.02 g/l; buffer pH 10.0; calc. on dried substance): 400 - 510
Loss on drying (110 °C): ≤ 7 %
Suitability as indicator (for complexometric titration, ACS): passes test
Suitability as indicator (Reag. Ph Eur): passes test

基本信息

经验(实验)分子式	C₂₀H₁₂N₃NaO₇S
分子量	461.38
MDL编号	MFCD00003935
EC索引号	217-250-3

产品性质

质量水平	200
等级	ACS reagent
机构	reag. Ph. Eur.
效能	17590 mg/kg LD₅₀, oral (Rat)
缺失	≤7% loss on drying, 110℃
pH值(酸碱度)	3.7 (20 ℃, 10 g/L in H₂O)
溶解性	50 g/L
堆积密度	400‑600 kg/m³
储存温度	15-25℃
InChI	1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,21,25H,(H,28,29,30);/q;+1/p-1/b22-19-;
InChI key	JHUJLRKQZAPSDP-GXTSIBQPSA-M

安全信息

象形图
警示用语：	Warning
危险声明	H319 - H411
预防措施声明	P264 - P273 - P280 - P305 + P351 + P338 - P337 + P313 - P391
危险分类	Aquatic Chronic 2 - Eye Irrit. 2
储存分类代码	11 - Combustible Solids
WGK	WGK 2
闪点(F)	Not applicable
闪点(C)	Not applicable