Vat Blue 4

About This Item

Molecular Formula	C₂₈H₁₄N₂O₄
CAS Number	81-77-6

FC-0699116

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Properties

Chemical Identifiers

IUPAC Name	2,17-diazaheptacyclo[16.12.0.03,16.04,13.06,11.019,28.021,26]triaconta-1(18),3(16),4(13),6,8,10,14,19(28),21,23,25,29-dodecaene-5,12,20,27-tetrone
SMILES	C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C4=C(C=C3)NC5=C(N4)C=CC6=C5C(=O)C7=CC=CC=C7C6=O

Physical Properties

Boiling Point	740.2ºC at 760 mmHg
Melting Point	878 to 932 °F (decomposes) (NTP, 1992)
Flash Point	253.9ºC
Density	1.487 g/cm3

Safety Information

Flash Point

253.9ºC

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.