Which type of reaction mechanism is involved in the synthesis of 1 Phenylazo 2-naphthol?

ABSTRACT Synthesis of azo compounds can be achieved via the process of diazotization and subsequent azo coupling. In order to verify this reaction, 1-phenylazo-2-naphthol, commonly known as Sudan I, was synthesized via the reaction of a phenyldiazonium chloride solution with a basic β-naphthol solution.

What are the chemical required for synthesis of phenyl azo beta naphthol?

Azo compounds are all coloured compounds. For the preparation of this dye, aniline is diazotised and then diazonium salt thus obtained is subjected to coupling reaction with 2-naphthol.

What is the Colour product of 1 Phenylazo 2-naphthol?

Sudan I

PubChem CID 13297
Molecular Formula C16H12N2O
Synonyms Sudan I 842-07-9 Solvent Yellow 14 1-Phenylazo-2-naphthol C.I. Solvent Yellow 14 More…
Molecular Weight 248.28
Dates Modify 2021-08-21 Create 2005-03-26

What is 2-naphthol aniline?

2- Naphthol aniline dye is an azo-compound. It is a red-colored dye. It is mainly used for dyeing textiles. Azo compounds have an extended conjugation scheme and they are also colored and used as colors. These compounds are prepared by a reaction known as the coupling reaction.

What type of reaction is diazotization?

The diazotization reaction mechanism begins with the reaction of nitrous acid with the other acid to give water and nitrosonium ion. Thus, the required nitrosonium ion is formed….Uses of Diazonium Compounds.

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What do you mean by coupling reaction?

A coupling reaction in organic chemistry is a general term for a variety of reactions where two fragments are joined together with the aid of a metal catalyst. Heterocouplings combine two different partners, such as in the Heck reaction of an alkene (RC=CH) and an alkyl halide (R’-X) to give a substituted alkene.

How do you make 2-naphthol?

Add a solution of 4gm sodium nitrite in 15ml of water drop wise with continuous shaking and controlling the temperature below 5oC. Take another flask to dissolve 8gm of 2-naphthol in a solution of 5 gm sodium hydroxide solution in 50ml of water. Cool the solution in the ice bath to 0-5oC.

How is beta naphthol prepared?

Beta naphthol sodium salt may be prepared by adding the sodium naphthalene sodium salt to a reaction solvent containing water and an organic solvent and hydrolyzing (S130). The hydrolysis may be carried out by dropwise addition of a second basic solution to the naphthalene sodium salt.

What is the molecular weight of 2 naphthol?

144.17 g/mol
2-Naphthol/Molar mass

What is the chemical name of Sudan 1 dye?

Sudan I (also commonly known as CI Solvent Yellow 14 and Solvent Orange R), is an organic compound, typically classified as an azo dye….Sudan I.

IUPAC name 1-(Phenyldiazenyl)naphthalen-2-ol
CAS Number 842-07-9
3D model (JSmol) Interactive image

What are the uses of 2-naphthol aniline dye?

2-Naphthol aniline dye is a red dye with an azo compound. It is primarily used for textile dyeing. Azo compounds have an extended system of conjugation and are often coloured and used as colours. The reaction known as the coupling reaction prepares these compounds.

What is the Colour of beta naphthol?

2-Naphthol, or β-naphthol, is a fluorescent colorless (or occasionally yellow) crystalline solid with the formula C10H7OH.