Direct Black 19, DIrect Fast Black G
| Price | $2 |
| Package | 25kg |
| Min. Order: | 25kg |
| Supply Ability: | 20 tons |
| Update Time: | 2022-10-26 |
Product Details
| Product Name: Direct Black 19, DIrect Fast Black G | CAS No.: 6428-31-5 |
| Min. Order: 25kg | Purity: 99% |
| Supply Ability: 20 tons | Release date: 2022/10/26 |
ENGLISH NAME:Direct Fast Black G
C.I. NO.: 35255，Direct Black 19
CAS NO: 6428-31-5
EINECS NO:229-208-1
MOLECULAR FORMULA: C34H27N13Na2S2O7
MOLECULAR WEIGHT:839.77
NO | Name of Item | Unit | Item of Provision | Result of Examination |
1 | Appearance | Black Powder | Measure Up | |
2 | Shade(compare with standard) | Similar~ Slight | Similar | |
3 | Strength(is standard) | % | 100±3 | 100 |
4 | Moisture | % | ≤5.0 | 3.35 |
5 | Insoluble | % | ≤0.5 | 0.21 |
6 | Fineness(180μm residue on sieve) | % | ≤5.0 | Pass |
7 | Remarks | Qualified Product | ||
Company Profile Introduction
Tianjin XiangRui Dyestuff Co.,Ltd was founded in 1998, specialize in producing and manufacturing direct dyes,acid dyes and basic dyes for different applications such as textile,printing, painting, leather, wood, paper, fertilizer, seeds and so on.
Twenty years’ focus on dyes production and research, Tianjin XiangRui has become one of the largest dyes manufacturer and famous supplier,especially a most important exporter in North China,by providing products with superior quality,good service and competitive price.
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China- Since: 2012-08-03
- Address: No.21 Hongze Road,Dasi Industrial Park,Xiqing Economic Development Area,Tianjin,China.
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