| On cotton | (A) U.S. textile chemist association | (B) U.K. society of dyers and colorist | (C) Germany deutsche Norman |
|---|---|---|---|
| Acid organic | 5 | 4.5 | 3 |
| Alkali | 2 | 1 | 1 |
| Hot pressing (wet) | 3 | N/A | N/A |
| Hot pressing (dry) | 3 | N/A | N/A |
| Perspiration | 4-5 | 1-2 | N/A |
| Washing | 3-4 | 2-4 | 2 |
| Light | 1 | 1-2 | 1-2 |
Specifications
- Synonyms
- C. I. basic yellow 2
- C. I. No-41000
- Cas No-2465-27-2
- Appearance: bright yellow powder
- Vapour pressure: negligible
- Soluble in: water, ethonol, ether, chloroform
- Test media:
- sulfuric acid (concentrate) at N.T.P. gives colorless
- sulfuric acid (N/10 solution) at N.T.P. gives pale yellow
- Decompose at: 250 Celsius
Features
- High degree in retention
- High degree in absorbation
- Highly soluable
- Heavy metal content nil i.e. lead, mercury, arsenic etc
- Good alkali fast
- Good washing fast
- Well fluffy
- Production specialist of chemical items/dyestuffs
- Interested to build up chemical/dyestuff unit on joint venture basis with interested foreign entrepreneur
- Textile use
- Dyeing: bast fibers, cotton on tannin oil or synthetic mordant, nylon, ilk, viscose, rayon, wool
- Printing: direct tannin styles golden yellow & for shading C. L. mordant violet 54 for outline black on acetates, for silk
- Non textile use
- Lakes: lakes with high Mol. Wt. Acids are used as pigments especially for printing ink
- Paper: use in paper industry where brilliancy required regardless of fastness
- Plastic: for coloring casting phenols and cellulose esters
- Biological stain: distempers used precipitated on green earth or china clay, sprit ink, lacquers and wood stains
Main Products
auramine, rubber blowing agent, EVA blowing agent