| Products | M.W. | M.P. (*C) | Purity (%) | Appearance | C.I. No. | Cas No. | MITI No. | App. in Pigments |
|---|---|---|---|---|---|---|---|---|
| NAPHTHOL AS - PH | 307.35 | 156.5 ~ 160.5 ( + l ) | 98 ( + 0.5 ) | Creamish White Powder | 14 | 92-74-0 | 5-2283 | RED 170, 88, 210 |
| NAPHTHOL AS - LC | 357.79 | 191.0 ~ 194.5 ( + l ) | 91 ( + 0.5 ) | Pale Beige Powder | 23 | 4273-92-1 | 5-2289 | RED 133, 146 |
| NAPHTHOL AS - E | 297.74 | 256.5 ~ 262.5 ( + l ) | 98 ( + 0.5 ) | Creamy White Powder | 10 | 92-78-4 | 5-2279 | RED 8 |
| NAPHTHOL AS - BS | 308.29 | 243.5 ~ 247.5 ( + l ) | 94 ( + 0.5 ) | Bright Yellow Powder | 17 | 135-65-9 | 5-2285 | RED 114 |
| NAPHTHOL AS - OL | 293.32 | 163.0 ~ 165.5 ( + l ) | 100 ( + 0.5) 83 ( + 0.5 ) | Creamy White Powder | 20 | 135-62-6 | 5-2288 | RED 243, 246 |
| NAPHTHOL AS - ITR | 357.79 | 198.5 ~ 200.5 ( + l ) | 98 ( + 0.5 ) | Greenish Light Yellow Powder | 12 | 92-72-8 | 5-2281 | RED - 187 / RED - 5 |
| NAPHTHOL AS - CL | 327.77 | 217.5 ~ 219.0 ( + l ) | 98 ( + 0.5 ) | Creamish Beige Powder | 41 | 137-52-0 | 5-2292 | RED 147 |
| NAPHTHOL AS | 263.3 | 246.0 ~ 250.0 ( + 1 ) | 98 ( + 0.5 ) | Beige Color Powder | 2 | 92-74-0 | 0 | RED 2 |
| NAPHTHOL AS - D | 277.32 | 194.5 ~ 197.0 ( + 1 ) | 98 ( + 0.5 ) | Pale White Powder | 18 | 135-61-5 | 0 | RED 212 |