Indigo blue
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- Category :
Dyestuffs and Pigments
- CAS NO : 482-89-3
- EC NO : 207-586-9
- Molecular Formula : C16H10N2O2
- Main Specifications :
- Synonyms : C.I. 73000;C.I. Vat Blue 1;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;Vat Blue 1;2,2'-biindole-3,3'(1H,1'H)-dione;
Package: In 25kgs net bag/iron drum,20kgs net carton /iron drum
Molecular Structure:
Product description:
Test method: In accordance with HG/T2750-1996
1.Indigo powder
Appearance: Dark blue even powder
Content %: ≥94
Particle size(-60 mesh)%: ≥95
Moisture% :≤1.0
Fe3+: 300
2.Indigo(Granular)(W.P.wettabel powder)
Appearance: Dark blue even granular
Content%: ≥94
Moisture%: ≤1.0
Fe3+: ≤200ppm
Packing: In 25kgs net bag/iron drum,20kgs net carton /iron drum
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