- Organic Acid[8]
- Alkali[4]
- Mica[3]
- Other Inorganic Salts[1]
- Sulphate[7]
- Other Organic Chemical[10]
- Organic Intermediate[4]
- Chemical Auxiliary Agent[2]
- Food Additives[1]
- Chemical Reagents[1]
- Pharmaceutical[9]
- Other Chemicals[10]
- Dyestuffs[10]
- Pigment[5]
- Contact Person : Mr. Luo Louis
- Company Name : Changsha Jinyi Chemical Co., Ltd.
- Tel : 86-731-82282611,13908468607
- Fax : 86-731-82282622
- Address : Hunan,Changsha,611 ROOM, JINXIU HUATIAN BUILDING, FURONG MIDDLE ROAD ONE LINE , CHANGSHA
- Country/Region : China
- Zip : 410008
Vat red 31
Molecular Formula: C30H16N4O5 Molecular Weight: 512.47 EINECS: 258-029-1 Chemical properties: reduction of red F3B (258-029-1) of characters: Dark red powder. In the alkaline reducing solution was dark reddish brown, yellow in acidic solution was brown. Uses: Reduction of red F3B (258-029-1) use: Vat Red F3B dye for cotton fiber and cotton printing, dyeing and affinity of both good. Also used for dyeing silk, cotton, etc. Victoria. Also used to fight with a red light gray or brown. Description: Restore Red F3B (258-029-1) the production method: To 1 - amino-anthraquinone -2 - carboxylic acid (2 - Anthraquinonecar-boxylic acid ,1-amino-) as raw materials, the medium in dichlorobenzene with thionyl chloride-based, the condensation with hydrazine hydrate, and then fuming sulfuric acid was the product of closed-loop. After filtering, crushing, drying was finished. Specifications: Appearance is dark red powder. Shade Similar to standard. Strength of standard products (100 ± 3) minutes. In the cotton fabric dyeing fastness standard grade.
Vat red 31
