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Disperse Orange 1
[CAS# 2581-69-3]

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Identification
ClassificationDyes and pigments >> Dyes >> Disperse dye
NameDisperse Orange 1
Synonyms4-Nitro-4'-(phenylamino)azobenzene; Serisol Orange 5R; Setacyl Scarlet 2GN
Molecular StructureCAS # 2581-69-3, Disperse Orange 1
Molecular FormulaC18H14N4O2
Molecular Weight318.33
CAS Registry Number2581-69-3
EC Number219-954-6
Properties
SolubilityInsoluble (1.1E-4 g/L) (25 °C), Calc.*
Density1.24±0.1 g/cm3 (20 °C 760 Torr), Calc.*
Melting point157.5-158.0 °C**
*Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)
**Rondestvedt, Christian S., Jr.
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin sensitizationSkin Sens.1H317
SDSAvailable
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