1) |
Total colour/Assay, percent by Mass, min. |
85.00 |
2) |
Water-insoluble matter, percent by mass, Max. |
00.20 |
3) |
Combined ether extracts, percent by mass,
Max. |
00.20 |
4) |
Subsidiary dyes, percent by mass, Max.
- Lower sulfonated
- Higher sulfonated
- Di Sodium salt, 6 - hydroxy ,5- [(2-methoxy -5- methyl
-4- sulfophenyl )-azo] -8- (2- methoxy-5- methyl -4-sulfophnoxy)-2-
naphthalene sulfonic acid
|
03.00 |
5) |
Dye intermediates, percent by mass, max.
- 6 - hydroxy- 2- naphthalene sulfonic acid sodium salt.
- 4- Amino -5- methoxy -2- methylbenzene sulfonic acid .
- 6,6-0xybis (2-Naphthalene Sulfonic Acid) di sodium salt,
Max
|
00.30
00.20
01.00 |
6) |
Unsulfonated primary aromatic amine (calculated
as aniline) percent by mass, max. |
00.01 |
9) |
Heavy metals, (as pb) mg/kg, max |
40.00 |