Name | Bismarck brown Y |
Synonyms | BASIC BROWN Basic Brown1 Basic Brown 1 BASIC BROWN 1 BASIC BROWN G BASIC BROWN GX BASIC BROWN GXP Bismark Brown Y BASIC BROWN NO 1 Bismarck brown Y C.I. Basic Brown 1, dihydrochloride 4,4'-(M-PHENYLENEBISAZO)BIS-M-PHENYLENEDIAMINE DIHYDROCHLORIDE 4,4'-[benzene-1,3-diyldi(E)diazene-2,1-diyl]dibenzene-1,3-diamine 4,4'-[1,3-PHENYLENEBIS(AZO)]-BIS[1,3-BENZENEDIAMINE] DIHYDROCHLORIDE 4,4'-[benzene-1,3-diyldi(E)diazene-2,1-diyl]dibenzene-1,3-diamine dihydrochloride 4-[(E)-{3-[(Z)-(2,4-diaminophenyl)diazenyl]phenyl}diazenyl]benzene-1,3-diamine dihydrochloride 4,4'-[(4-methylbenzene-1,3-diyl)di(E)diazene-2,1-diyl]bis(5-amino-2-methylanilinium) dichloride |
CAS | 10114-58-6 |
EINECS | 233-314-3 |
InChI | InChI=1/C18H18N8.2ClH/c19-11-4-6-17(15(21)8-11)25-23-13-2-1-3-14(10-13)24-26-18-7-5-12(20)9-16(18)22;;/h1-10H,19-22H2;2*1H/b25-23-,26-24+; |
Molecular Formula | C18H20Cl2N8 |
Molar Mass | 419.31 |
Melting Point | >200 ℃ |
Boling Point | 719.7°C at 760 mmHg |
Flash Point | 389.1°C |
Water Solubility | Soluble |
Solubility | Easily soluble in water is yellow and brown, slightly soluble in ethanol and fibrinolytic, insoluble in acetone, benzene, carbon tetrachloride; when it is brown in concentrated sulfuric acid, it is reddish brown after dilution. When nitric acid is orange, it turns yellow. The aqueous solution does not change color when hydrochloric acid is added, and the 10% sodium hydroxide solution is orange precipitation. |
Vapor Presure | 5.5E-21mmHg at 25°C |
Appearance | Brown to black brown powder |
Color | Blackish-brown or red-brown |
Maximum wavelength(λmax) | 457 nm |
Merck | 14,1253 |
pKa | 5.0(at 25℃) |
Storage Condition | Flammables area |
Stability | Stable. Combustible. Incompatible with strong oxidizing agents, reducing agents. |
MDL | MFCD00012977 |
Physical and Chemical Properties | Brown powder, easily soluble in water is yellow and brown, slightly soluble in ethanol and fibrinolytic, insoluble in acetone, benzene, carbon tetrachloride; it is brown when exposed to concentrated sulfuric acid, and is reddish brown after dilution. When nitric acid is orange and turns yellow, the aqueous solution will not change color when hydrochloric acid is added, and the 10% sodium hydroxide solution will precipitate orange. |
Use | Used as a biological stain |
Hazard Symbols | Xn - Harmful F,Xn,F - |
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S16 - Keep away from sources of ignition. S36 - Wear suitable protective clothing. |
WGK Germany | 3 |
TSCA | Yes |
HS Code | 32041300 |
Chemical properties | brown powder, easily soluble in water, yellow-brown, slightly soluble in ethanol and Fibrinolysin, do not dissolve in acetone, benzene, carbon tetrachloride; When concentrated sulfuric acid brown, red light brown after dilution. In the case of nitric acid orange to yellow, the aqueous solution plus hydrochloric acid does not change color, plus 10% sodium hydroxide solution orange precipitation. |
Use | is used for dyeing cotton, acrylic, viscose, leather and paper, and can also be used for bamboo, wood coloring and manufacturing of lakes. used for cotton, acrylic, viscose, leather, paper, wood products coloring, also used in the manufacture of paint Lakes mainly used for cotton, acrylic, viscose, leather, the dyeing of paper and grass wood products can also be used to make Lakes as biological dyeing agents biological dyeing agents, general basic dyes suitable for use in spherical cells and cartilage staining. Mainly used for cotton, acrylic, viscose and its fabric dyeing, can also be used for the manufacture of lakes and leather, paper and other dyeing. |
production method | meta-Phenylenediamine is double nitrided with sodium nitrite and hydrochloric acid, and then 1mol of meta-phenylenediamine double hydrochloride is coupled with 2mol of meta-phenylenediamine, the product is obtained by salting out, filtering and drying. Raw material consumption (kg/t) M-phenylenediamine (100%) 375 sodium nitrite 170 hydrochloric acid (31%) 645 refined salt 3100 |
Color index | 21000 |
Biological applications | Differential inhibition of brain specific binding |
EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |