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Product Name:Solvent Black 7
Molecular Structure: azine class 
CAS Registry Number:10135-15-7/68389-53-7/70914-33-9/74499-45-9/8005-02-5/94313-51-6
Manufacturing Methods :different compounds process is: (a) 1-Nitrobenzene and aniline and aniline hydrochloride and iron or copper in 180 ~ 200 ℃ heating, and made free base (b) will Nitrophenol or Nitrocresols,aniline and aniline hydrochloride and a small amount of iron in 180 ~ 200 ℃ heating, and made free base.
Properties and Applications:blue-black to black. Insoluble in water, soluble in ethanol for blue black, also soluble in benzene and toluene, soluble in acid and stearic acid. In concentrated sulfuric acid for blue to blue black, dilution after blue-black precipitation; In concentrated nitric acid for blue to black blue. The dye which is components mixture
Counter product: Atlasol Spirit Nigrosine B,Classic Solvent Black 7,Rosaplast Nigrosine Base
Use:It is a bluish black transparent color for coloring plastics,synthetic fibers.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | General-Good | >180 | 180 | Insoluble | Well | Well |
