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Kolorjet is one of the leaders among manufacturers and suppliers of a comprehensive range of quality dyestuffs, colors and chemicals for different industrial requirements. Our range of products include dyestuff, inkjetdyes, dyes for wax printing, textile auxiliaries, synthetic food colors, natural food colors, pigments, food ingredients, dyes intermediaries, fine chemicals, specialty chemicals, enzymes, optical brighteners and soap wax dies. An ISO 9001:2008 certified company, Kolorjet continues continues to play a leading role in the manufacturing of dyestuffs in India with the intent to further strengthen its position for its quality products. With our decades of experience and extensive industry knowledge, we have been able to face the challenges of the global market place and deliver quality products in adherence with market standards and parameters. Whatever be your specification or quantity desired, our expertise and quality of service always remains the same. Modern production and techniques and flexible processes and procedures allow us to offer efficient service for small batch as well as large orders. Kolorjet is a customer oriented company and work with the objective of achieving maximum customer satisfaction. The company has adopted innovative procedures and practices to meet customer expectations every time they deal with us. We always welcome any feedback or suggestions from clients in order to serve them better.

What is a Color Index

Color Index is basically a compendium of dyes, that has a huge volume of data. It was prepared in the UK by the Society of Dyers and Colorists. In the USA by the American Association of Textile Chemists and Colorists. It is available both in the book form, and on CD as well. In this reference book there is a very specific system to identify individual dyes. A five digit number is assigned to each individual chemical that is used as a dye. Consequently individual dyes get identified with reference to their CI number only. For example when specifying a dye for use in any staining method the CI number must be always provided.

The color index also has a system to assign a specific name (CI Name) for each of the dyes, to avoid any confusion regarding chemicals. The name given is totally based upon the dye's mode of behavior, base color and action. This is followed by a number. To give an example, the CI name given for chromoxane cyanine R (CI 43820) is Mordant Blue 3. Thus, the CI name therefore gives a specific way to identify a dye. Although the CI name is used less often than the CI number, the CI name is as useful in identifying a dye for a particular staining method.

The following table illustrates the use of the Color Index for yellow Organic pigment
C.I. Generic Name C.I. Number CAS Number Color
P.Y.17 21105 4541-49-1 Greenish Yellow
P.Y.74 11741 6358-31-2 Bright greenish yellow
P.Y.81 21127 22094-93-5 Lemon yellow shade
 
What is a Color Index
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