Products Description
Indigo Blue:coloring matler index C.1 revert blue (73000). Indigo bule is an important organic dye, for dyeing on cotton fabrics and jeans and making up indigo bromide,or made into organic.
CAS NO.：482-89-3
Purity :94%
Appearance:Dark blue, Powder, Granular
Technical parameter
| Cas No. | 482-89-3 |
| Colour Index | Vat Blue 1 |
| Appearance | Dark blue, Powder, Granular |
| Strength | 80%~94% |
| HS Code | 32041510 |
| MF | C16H10N2O2 |
| Relative molecular weight | 262.27(according to the International molecular weight of 1983 |
| Colour light | Similar as the standard sample |
| Content | ≥93.0%,94.0% |
| Moisture content | ≤1.0% |
| Strength | Equal to 100 percent of the standard sample |
| PH Range | 9.5-10.5 |
| Content of ferric ions | ≤200PPM |
| Properties | It is insoluble in water and alcohol.It is soluble in hot Aniline |
application
FAQ
Which payment can be acceptable ?
A: We could accept the payment by T/T, D/P.
Q. How about your company's service?
A: Our company has a history in this field, with strong distribution ability and after-sales service ability.
Q.How can we make sure the quality from your company?
A:We accept any trial orders on trade assurance in Alibaba platform. So you can trust our company and our product quality.
Q.What is your after-sale service?
A: If the goods are damaged, we can give a certain discount
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