calcium-sensitive dye
Synonym(s): 2,2'-(1,8-Dihydroxy-3,6-disulfonaphthylene-2,7-bisazo)bisbenzenearsonic acid; 2,7-Bis(2-arsonophenylazo)chromotropic acid
Empirical Formula: C22H18As2N4O14S2
Formula Weight: 776.37
Linear Formula: (HO)2C10H2(SO3H)2(N=NC6H4AsO3H2)2
MDL Number: MFCD00036695
Melting Point: >320 °C(lit.)
Beilstein Registry Number: 5717957
RIDADR: UN 3465 6.1 / PGII
Signal Word: Danger
Hazard statements: H301 + H331-H410
Precautionary statements: P261-P273-P301 + P310-P311-P501
Hazard Codes (Europe) : T,N
Risk Statements (Europe): 23/25-50/53
Safety Statements (Europe): 20/21-28-45-60-61
WGK Germany: 3