| Identification | Back Directory | [Name]
Solvent black 7 | [CAS]
8005-02-5 | [Synonyms]
NIGROSIN
Nigrosin B
CI NO 50415
C.I. 50415b
C.I. 50415:1
INDULIN BLACK
Nigrosin Base
NIGROSINE BASE
Oil Black 2020
Spirit Black SA
Ncgc00090850-01
Solvent black 7
Solbon Black BPL
C.I.Solventblack7
Orient Oil Black BS
Pigment black Mellow
SOLVENT BLACK 5（50415）
NIGROSIN, ALCOHOL SOLUBLE
NIGROSINE, ALCOHOL SOLUBLE
NIGROSIN B ALCOHOL SOLUBLE
NIGROSINE (C.I. no 50415 )
Nigrosine B alcohol-soluble
C.I.Solvent Black 5:C.I.50415
Solvent black 7 - C.I. 50415-b
C.I.Solvent Black 7:C.I.50415:1
Nigrosin Base, Solvent Black 7
Solvent black 7 ISO 9001：2015 REACH | [EINECS(EC#)]
616-851-1 | [Molecular Formula]
C29H24N6 | [MDL Number]
MFCD00149005 |
| Hazard Information | Back Directory | [Preparation]
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. | [General Description]
Black powder. | [Air & Water Reactions]
Insoluble in water. | [Fire Hazard]
Flash point data for Solvent black 7 are not available. Solvent black 7 is probably combustible. | [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
|
Standard
|
Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
|
Melting point
|
Stable
|
|
ISO
|
General-Good
|
>180
|
180
|
Insoluble
|
Well
|
Well
|
| [Toxics Screening Level]
The ITSL for solvent black has been changed from 0.04 μg/m3 to 0.1 μg/m3 based on annual
averaging time. |
|
|