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548-80-1

Name CHROMOTROPE 2B
CAS 548-80-1
EINECS(EC#) 208-959-9
Molecular Formula C16H9N3Na2O10S2
MDL Number MFCD00003951
Molecular Weight 513.37
MOL File 548-80-1.mol

Chemical Properties

Appearance dark green to dark purple crystalline powder
Melting point  300 °C
Colour Index  16575
form  Crystalline Powder
color  Dark green to dark purple
Merck  14,2240
BRN  4109733
CAS DataBase Reference 548-80-1(CAS DataBase Reference)
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  3
TSCA  Yes

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