| Name | Vat Brown 68 |
| Synonyms | Vat Brown 68 Vat Brown 68 Mikethrene Brown G Dycosthren Brown G Nihonthrene Brown G VAT BROWN G (VAT BROWN 68) |
| CAS | 12237-38-6 |
| Physical and Chemical Properties | Black powder. Insoluble in water, micro-soluble in xylene. In concentrated sulfuric acid in a red wine solution, diluted to produce red-brown flocculent precipitation. Red-brown in alkaline solution of sodium hydrosulfite. |
| purpose | reduced Brown G is mainly used for dyeing cotton fiber, with good levelness, moderate affinity and high color supply, fastness is good, is the main dye brown rice. Also used for cotton and polyester cotton one or two bath method of dyeing, often with the reduction of Brown R, reduced Brown GG, reduced Brown BR, such as a variety of brown and gray. |
| production method | reduced olive R (C. 1.69005) and reduced Brown 3GR were mixed in a ratio of 59:41. |