铬蓝黑R

化合物
铬蓝黑R是一种化学物质，分子式是C20H13N2NaO5S。

基本信息

英文别名：C.I. 15705; C.I. Mordant Black 17; C.I. Mordant Black 17, monosodium salt (8CI); Calcon; 1-(2-Hydroxy-1-naphthylazo)-2-naphthol-4-sulfonic acid zinc salt; 3-Hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulfonic acid, sodium salt;Eriochrome blue-black R; Mordant Black 17; Zinchrome R; calcon(R); 1(2-hydroxy-1-naphthylazo)2-*naphthol-4-sulfonic; sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-1-naphthalenesulphonate; Mordant Black 17 (15705); CALCONE; Mordantblack; sodium (4E)-4-[(2-hydroxynaphthalen-1-yl)hydrazono]-3-oxo-3,4-dihydronaphthalene-1-sulfonate; sodium 3-hydroxy-4-[(E)-(2-hydroxynaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate; sodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulfonate　CAS号：2538-85-4

性状描述

棕黑色或深棕色粉末，溶于水和乙醇；水溶液呈紫色溶液，加盐酸于水溶液中有棕色沉淀，醇溶液为蓝红色，浓硝酸溶液为黄色，氢氧化钠溶液为枣红色，硫酸液为蓝色，用水稀释析出红色沉淀；最大吸收波长569nm。