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548-80-1

548-80-1 structure
548-80-1 structure

Name disodium,(3E)-5-hydroxy-3-[(4-nitrophenyl)hydrazinylidene]-4-oxonaphthalene-2,7-disulfonate
Synonyms Chromatrope 2B
EINECS 208-959-9
Chromotrope Red 4B
p-Nitrobenzeneazochromotropic acid sodium salt
Chromotrope 2B disodium salt
chromotrope 2B
MFCD00003951
Naphtocard Fast Red 3B
Khromotrop 2B
Acid Red 176
Melting Point 300 °C
Molecular Formula C16H9N3Na2O10S2
Molecular Weight 513.36600
Exact Mass 512.95200
PSA 242.16000
LogP 5.06760
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2927000090
HS Code 2927000090
Summary 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%