Basic information Safety Supplier Related

FAT BROWN RR

Basic information Safety Supplier Related

FAT BROWN RR Basic information

Product Name:
FAT BROWN RR
Synonyms:
  • 1-naphthalenazo-2’,4’-diaminobenzene
  • 3-Benzenediamine,4-(1-naphthalenylazo)-1
  • 4-(1-naphthalenylazo)-1,3-phenylenediamine
  • 4-(1-naphthalenylazo)-3-benzenediamine
  • 4-(1-naphthylazo)-m-phenylenediamin
  • 4-(1-naphthylazo)-m-phenylenediamine
  • c.i.solventbrown1
  • c.i.solventbrownpr
CAS:
6416-57-5
MF:
C16H14N4
MW:
262.31
EINECS:
229-127-1
Product Categories:
  • Organics
Mol File:
6416-57-5.mol
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FAT BROWN RR Chemical Properties

Melting point:
147-158 °C(lit.)
Boiling point:
395.56°C (rough estimate)
Density 
1.1790 (rough estimate)
refractive index 
1.6000 (estimate)
form 
Powder
color 
Dark, rusty brown
IARC
3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System
1,3-Benzenediamine, 4-[2-(1-naphthalenyl)diazenyl]- (6416-57-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
RTECS 
ST2900000
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FAT BROWN RR Usage And Synthesis

Preparation

Naphthalen-1-amine diazotization, and Benzene-1,3-diamine coupling.

Definition

ChEBI: Sudan Brown RR is a member of azobenzenes.

Properties and Applications

red orange and brown. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid to dark red light yellow to brown, after diluted solution for brown, precipitation, In concentrated sodium hydroxide solution insoluble. Dye alcohol solution to join concentrated hydrochloric acid is red. Used for oil, paraffin wax, printing ink, alcohol soluble paint color.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate
(5%)
Hydrochloric acid
(5%)
Melting point Stable
ISO General 155>160 >150 Insoluble No change No change

FAT BROWN RRSupplier

Tianjin heowns Biochemical Technology Co., Ltd.
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400 638 7771
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sales@heowns.com
Hubei Jusheng Technology Co.,Ltd.
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18871490254
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linda@hubeijusheng.com
Hu' nan Yunbang Pharmaceutical Co., Ltd.
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0731-85561037 15386497078
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guoyungurui
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