Negotiable
The date of payment from buyers deliver within days
Hubei
Long-term effective
2017-08-31 21:26
59
Company Profile
By certification [File Integrity]
Contact：Mr. Wang(Mr.)
Email：
Telephone：
Area：Hubei
Address：Hubei
Website： http://hkbaijin.better-elec.com/
Vat Blue 1/ Indigo Blue/Textile Dye/Fabric Dye/Cotton Dye
good quality and competitive price
Molecular formula: C16H10N2O2
Molecular weight: 262
Nature :This product is dark-blue uniform powdery or granular. It cannot be dissolved in water and common organic solvents such as ethanol and aether, but can be dissolved in hot aniline and melt phthalic anhydride. Its melting point in the closed capillary is 390-392°C, and it begins sublimating slowly at 290°C. It has very good sunburn endurance and application performance.
Appearance :dark-blue uniform powder or granule
| Appearance | Dark blue even powder |
| Content (Oxidimetry)% | ≥94 |
| Particbe size(-60 mesh)% | ≥96 |
| Moisture% | ≤1.0 |
| Fe3+ | ≤500ppm |
| Appearance | Dark blue even powder |
| Content (Oxidimetry)% | ≥93 |
| Particbe size(-60 mesh)% | ≥96 |
| Moisture% | ≤1.0 |
| Fe3+ | ≤300ppm |
| Appearance | Dark blue even granular |
| Content (Oxidimetry)% | ≥93 |
| Moisture% | ≤1.0 |
| Fe3+ | ≤200ppm |
