Factory Supply Acid Red 138 At Good Price
InChI=1/C30H39N3O8S2.2Na/c1-3-4-5-6-7-8-9-10-11-12-13-22-14-16-24(17-15-22)32-33-29-27(43(39,40)41)19-23-18-25(42(36,37)38)20-26(31-21(2)34)28(23)30(29)35;;/h14-20,35H,3-13H2,1-2H3,(H,31,34)(H,36,37,38)(H,39,40,41);;/q;2*+1/p-2
Synonyms:C.I. Acid Red 138; C.I. Acid Red 138, disodium salt; 2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-(2-(4-dodecylphenyl)diazenyl)-4-hydroxy-, sodium salt (1:2); Acid Red 138 (18073); Tracid Red Bs; disodium (3E)-5-(acetylamino)-3-[2-(4-dodecylphenyl)hydrazinylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate; disodium 5-acetamido-3-(4-dodecylphenyl)azo-4-hydroxy-naphthalene-2,7-disulfonate
Appearance:Dark red powder
Specifications:
| Item | Description |
| Name | Acid Red N-B |
| Color Index No. | C.I.NO. Acid Red 138 |
| Chemical Family | Acid dyes |
| Apearance | Dark red powder |
| Shade | similar to standard |
| Tinting strength | 100+/-3 |
| Moisture | 8% max. |
| Insoluble matter | 0.2% max. |
| Solubility(90℃)(g/L) | 100 min. |
Application:It can be used for wool and silk dyeing. It is suitable for colors above medium depth. It has good wet treatment fastness and slightly poor sun fastness. Leveling agent should be added during dyeing to improve levelness. When dyeing wool in the same bath with a variety of fibers, the color of nylon is close to that of wool, the silk is slightly shallow, the diacetate fiber is not stained, the triacetate fiber is stained, and the cellulose fiber is slightly stained. It can also be used for printing on nylon, silk, viscose fiber and wool fabric.
Quality guarantee period: 36 months.
Packing: 25kgs paper carton.
Storage:Store in a cool and ventilated room and prevent moisture and heat.
