3-hydroxy-2-methyl-2-naphthanilide lower OT content 2-Naphtho-o-toluidide
Per-shipment Sample |
Naphthol AS-D |
||||
Quantity |
2000kg |
2000kg |
2000kg |
2000kg |
2000kg |
Lot No. |
0134 |
0135 |
0136 |
0137 |
0138 |
Test item |
Result |
||||
Appearance |
Buff powder |
||||
Purity% |
99.08 |
99.07 |
99.10 |
99.08 |
99.07 |
M.P.℃ |
195.1 |
195.0 |
195.0 |
195.2 |
195.1 |
Insolubles% |
0.07 |
0.08 |
0.08 |
0.07 |
0.08 |
Moisture% |
0.30 |
0.30 |
0.30 |
0.30 |
0.30 |
2:3 acid% |
0.04 |
0.03 |
0.05 |
0.04 |
0.03 |
OT content(ppm) |
49 |
40 |
43 |
36 |
44 |
pigment intermediate
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