3118-97-6 Usage
Uses
Used in Environmental Testing:
SUDAN II is used as a fat-soluble dye for environmental testing purposes. It is particularly useful in detecting and analyzing fats and lipids in various samples due to its solubility properties and color-changing reactions with different chemicals.
Used in Dye Industry:
In the dye industry, SUDAN II is used as a red-orange dye for coloring various materials. Its ability to produce different shades when interacting with chemicals makes it a versatile option for creating a range of colors in the dye industry.
Used in Research and Development:
SUDAN II is also utilized in research and development for studying the properties and behavior of fats and lipids. Its solubility and color-changing characteristics make it a valuable tool for scientific investigations and experiments.
Used in Quality Control:
SUDAN II is employed in quality control processes to ensure the purity and consistency of fats and lipids in various products. Its ability to interact with different chemicals and produce distinct color changes helps in identifying impurities and monitoring the quality of these products.
Used in Pharmaceutical Industry:
In the pharmaceutical industry, SUDAN II may be used for staining purposes in the identification and analysis of lipids and fats in drug formulations. Its solubility properties and color-changing reactions can aid in the detection and quantification of these substances in medications.
Preparation
mixed N,N-dimethylaniline diazotization, and Naphthalen-2-ol coupling.
Air & Water Reactions
Azo dyes can be explosive when suspended in air at specific concentrations. Insoluble in water.
Reactivity Profile
SUDAN II is an azo compound. Toxic gases are formed by mixing azo compounds with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.
Flammability and Explosibility
Notclassified
Safety Profile
Questionable
carcinogen with experimental carcinogenic
data. Mutation data reported. When heated
to decomposition it emits toxic fumes of
NOx.
Standard
Light Fastness
Melting point
Stable
ISO
Good
Check Digit Verification of cas no
The CAS Registry Mumber 3118-97-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,1 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3118-97:
(6*3)+(5*1)+(4*1)+(3*8)+(2*9)+(1*7)=76
76 % 10 = 6
So 3118-97-6 is a valid CAS Registry Number.
InChI:InChI=1/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,19H,1-2H3/b20-18+
3118-97-6Relevant articles and documents
One-pot synthesis of azo compounds in the absence of acidic or alkaline additives
Cheng, Xin-Wang,Duan, Pan,Liu, Ting-Ting,Yan, Jiao-Zhao,Zeng, Yao-Fu
, p. 486 - 490 (2020/10/22)
A one-pot method for the synthesis of azo compounds by the reaction of β-naphthol with aryl amines using t-BuONO as the nitrosonium source in DCM at room temperature was developed. This method features mild reaction conditions, a simple experimental procedure, and is free of acidic or alkaline additives.
The in situ generation and reactive quench of diazonium compounds in the synthesis of azo compounds in microreactors
Akwi, Faith M.,Watts, Paul
, p. 1987 - 2004 (2016/10/05)
In this paper, a micro-fluidic optimized process for the continuous flow synthesis of azo compounds is presented. The continuous flow synthesis of Sudan II azo dye was used as a model reaction for the study. At found optimal azo coupling reaction temperature and pH an investigation of the optimum flow rates of the reactants for the diazotization and azo coupling reactions in Little Things Factory-MS microreactors was performed. A conversion of 98% was achieved in approximately 2.4 minutes and a small library of azo compounds was thus generated under these reaction conditions from couplers with aminated or hydroxylated aromatic systems. The scaled up synthesis of these compounds in PTFE tubing (i.d. 1.5 mm) was also investigated, where good reaction conversions ranging between 66-91% were attained.
Insecticide evaporator comprising a stabilizer
-
, (2008/06/13)
Insecticide evaporator comprising at least one volatile phosphoric ester insecticide, an agent for stabilizing the said ester against decomposition by protonization and used in an amount of 0.2 to 20% based on the weight of phosphoric ester, characterized in that the stabilizing agent contains at least one compound selected from the compounds of the chemical class of 1,3-benzodioxoles and at least one diazene.
Evaporator system comprising a stabilized pesticidal phosphoric acid ester and method for stabilizing such ester enclosed in an evaporator
-
, (2008/06/13)
An evaporator system adapted for emitting insect killing vapors of an insecticide therefrom and comprising a liquid or solid composition enclosed therein, said insecticide consisting in at least one volatile phosphoric acid ester which is stabilized by at least one diazene compound.
