| No. |
Characteristic |
Requirement |
| |
Class |
Mono Azo |
| |
Description |
FINE, ORANGE POWDER |
| 1) |
Total colour (pure dye content) percent by Mass, min. |
85.00 |
| 2) |
Loss of drying at 135oC, percent by mass, & Chloride
and sulfate expressed as sodium salt percent by mass, Max. |
15.00 |
| 3) |
Water-insoluble matter, percent by mass, Max. |
00.20 |
| 4) |
Ether extractable matter, percent by mass, Max. |
00.20 |
| 5) |
Subsidiary colouring matters, percent by mass, Max. |
03.00 |
| 6) |
Organic compound other than colouring matters, percent by Mass,
Max. |
00.60 |
| 7) |
Lead, mg/kg, Max. |
20.00 |
| 8) |
Arsenic, mg/kg, Max. |
03.00 |
| 9) |
Chemical Formula |
C16H11N2O4Na |
| 10) |
Uses |
Biological Stain and Indicator. Heavy metal salts for paper
coating. Textile & Leather Dyeing |
| 11) |
Hue |
Bright Reddish Orange |