1. Solubility: Mumvura,Nigrosine Blackinoumba bluish-yepepuru mhinduro, inoratidzira yakanaka solubility, iyo inobvumira kuti iwirirane ne hydroxyl kana amino mapoka mu fiber zvinhu, zvichiita kuti ibudirire dyeing.Kuwedzerwa kwesodium hydroxide solution kunokonzera kuumbwa kwemvura yakasviba-yepepuru.Nigrosine Black inonyungudika mu ethanol, ichiratidza ruvara rwebhuruu, uye mu concentrated sulfuric acid, inoitawo bhuruu;pakunyungudutswa, inoshanduka kuita yepepuru nekuumbwa kwemvura.Nigrosine Nhema inenge isinganyungudike muether, acetone, benzene, chloroform, petroleum ether, uye liquid parafini.
2. Kuchengeta:Nigrosine Blackinofanira kuchengetedzwa kure nekusangana neoxidizing agents panguva yekushandiswa.Paunenge uchichengeta, iva nechokwadi chokuti chigadziko chekuchengetera chakavharwa zvakasimba uye chichengete munzvimbo inotonhorera uye yakaoma.
| Tsanangudzo |
| Product Name | Nigrosine Black Granular |
| CINo. | Acid Black 2 (50420) |
| Chitarisiko | Black Shining Granular |
| Shade | Zvakafanana neStandard |
| Simba | 100 % |
| Hunyoro (%) | ≤6 |
| Madota (%) | ≤1.7 |
| Fastness |
| Chiedza | 5~6 |
| Sipo | 4~5 |
| Kukwiza | Dry | 5 |
| | Wet | - |
