Basic

CAS No.	20680-48-2
Product Name	2-diazo-1-naphthol-4-sulfonic acid hydrate
Synonyms	1,2-Naphthoxydiazole-4-Sulfonic Acid; 2-diazonio-4-sulfonaphthalen-1-olate; 3-diazo-4-oxo-3,4-dihydronaphthalene-1-sulfonic acid; 3-diazo-4-hydroxy-3,4-dihydronaphthalene-1-sulfonic acid
Molecular Formula	C10H8N2O4S
Molecular Weight	252.2465

Physical property

Hazard Symbols	F:Flammable; Xi:Irritant;
Risk Codes	R11:; R36/37/38:;
Safety Description	S16:; S26:; S36/37:;