Basic

CAS No.	3564-14-5
Product Name	Eriochrome Blue Black B
Synonyms	C.I. 14640; C.I. Mordant Black 3; C.I. Mordant Black 3 (VAN); C.I. Mordant Black 3 monosodium salt; C.I. Mordant Black 3, monosodium salt; C.I. Mordant Black 3, monosodium salt (8CI); 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-1-naphthalenesulfonic acid, sodium salt; Mordant Black 3; eriochrome blue black B (C.I. 14640); Eriochromeblueblack; sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-1-sulfonate
Molecular Formula	C20H13N2NaO5S
Molecular Weight	416.3824

Physical property

Hazard Symbols	Xi:Irritant;
Risk Codes	R36:;
Safety Description	S26:; S39:;