Indigo cas no:482-89-3
Synonyms: 2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; C.I. 73000; Vat Blue 1
NameIndigo
CAS482-89-3
Synonyms2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one; 2,2'-Bis(2,3-dihydro-3-oxoindolylidene); Indigo blue; C.I. 73000; Vat Blue 1
EINECS(EC#)207-586-9
Molecular FormulaC16H10N2O2
Molecular Weight262.27
AppearanceDark blue powder (or granule)
refractive index1.709
storage tempKeep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass3
Hazard Xi:Irritant
Risk R36/37/38
Safety Hazard Codes:Xi
Risk Statements:36/38-36/37/38
36/38:Irritating to eyes and skin
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:26-36
26:In case of contact with eyes, rinse immediately with plenty
of water and seek medical advice
36:Wear suitable protective clothing
RIDADR:UN 3264 8/PG 3
WGK Germany:1
Hazardous Substances Data:482-89-3(Hazardous Substances Data)
ACUTE/CHRONIC HAZARDS: Indigo may cause irritation of the skin and mucous membranes.
