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Appearance: | dark blue powder or granules |
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CAS No.: | 482-89-3 |
Molecular Formula: | C16h10n2o2 |
EINECS: | 207-586-9 |
Certification: | ISO9000, SGS, BV |
ENVO CHEMICAL GROUP- scientific research center in cooperation with the government, modern production equipment, intelligent production management system, perfect production raw material supply chain, independent chemical logistics and transportation system, 30 years of industrial operation, are the key to our cost saving and quality assurance Factors that make our product prices more competitive in the market. Our goal is to provide customers with high-quality products, the most competitive prices, the shortest delivery time and perfect and professional after-sales service.
The most efficient and complete chemical industry chain and more than 30 years of industry experience are the keys to providing our customers with the most competitive prices and helping them reduce competition costs.
Our factory requires a double inspection quality control system in the production process of each product, which is the key guarantee for our quality control, and our products have passed BV, ISO9001 and SGS, quality control can be guaranteed. At the same time, all materials are tested in our laboratory before each shipment to confirm the quality twice.
ENVO CHEMICAL GROUP- With more than 30 years of experience in the chemical industry, it is one of the leading chemical raw material suppliers in China. With a professional scientific research and technical team, with rich experience and technology, we provide our customers with in-depth technical support and a variety of application solutions, ensure quality, save costs, and win unanimous approval from our customers.
Our factory has 7 24-hour production lines, 14 regular production lines and 2 spare production lines, 90% of the orders are shipped within 15-25 days after receiving the payment, any urgent orders can be supported.
Product Description:
Product Name:Indigo Blue
CAS No.: 482-89-3
Formula: C16h10n2o2
EINECS: 207-586-9
Colour: Blue
Appearance: dark blue powder or granules
Usage: Paint, Plastic, Leather, Paper, Textile
Quality Specification:
Products name | Indigo Blue |
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. |
test condition | HG/T 2750-1996 |
appearance | dark-blue uniform powder or granule |
(1)original powder | |
content | %≥94.0 |
particbe size(60mesh) | %≥96.0 |
moisture | %≤1.0 |
Fe3+ | <200PPM |
(2) pelleting | |
content | %≥94.0 |
moisture | %≤1.0 |
Fe3+ | <200PPM |
(3)Promoter | |
content | %≥93.0 |
moisture | %≤0.8 |
Fe3+ | <200PPM |
use | Reducing indigo to be dyestuff, which can be mainly used in dyeing cotton fabric, and otherwise can be made to 5.5′-7.7′- tetrabromo indigo, and then be used in biochemical and indicators, etc. |
Features:
the appearance is dark blue even grains.It dissolves in hot anilin,but not in water. It turns yellow green when meeting the oil of vitriol.It is yellow in alkaline rongalite revert liquid and white in acidic liquid.
Application:
used dyeing on cotton, also used dyeing on cambric, viscose and vinylon,etc.
1.widely used for dyeing cotton fibre and polyester;
2.used for direct printing on cotton fibre
3.can be processed into organic pigment
Packing
Standard packaging includes the following:25kg per bag.
Other package sizes are available upon request.
Storage
Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.
Period of validity
24 months.
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