Lemon Yellow
Lemon Yellow
Product Details
| Product Description | |||
| Colour Index Name | Pigment Yellow 34 | ||
| Colour Index No. | 77603 | ||
| CAS number | 1344-37-2 | ||
| Chemical name | Primerose Chrome/Lemon Chrome | ||
| Properties | |||
| Parameter | Values | Method | |
| Specific gravity | 5.5gm/cm3 | IS 33 1992 | |
| Oil absorption | 24g/ 100g (±5 gm) | IS 33 1992 | |
| PH of aqueous extract | 6 - 8 | IS 33 1992 | |
| Moisture content | Max. 1.0 % | IS 33 1992 | |
| Residue on sieve ( 45 µm ) | Max. 0.5% | IS 33 1992 | |
| Water soluble salts | Max. 1.0% | IS 33 1992 | |
| Conductivity | Max. 500 µS | IS 33 1992 | |
| Fastness Properties | ||
| Parameter | Values | Method |
| Heat Stability ( 5 min ) | 180-200 | CL/AR/002 |
| Acid resistance ( 1 - 5 ) | 3 | IS 2932 |
| Alkali resistance ( 1 - 5 ) | 2 | IS 2932 |
| Light Fastness ( 1 - 8 ) | ||
| Full shade | 3-4 | IS 33 1992 |
| Weather Fastness ( 1 - 5 ) | ||
| Full shade | 3 | ISO 11341 |
| Resistance to Sulphur dioxide ( 1 - 5 ) | 2 | ISO- 3231 |