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Yellow 44 CAS 2478-20-8

Chemical Property:

Molecular Formula C20H16N2O2
Molar Mass 316.35
Density 1.342±0.06 g/cm3(Predicted)
Boling Point 591.4±50.0 °C(Predicted)
Flash Point 311.5°C
Vapor Presure 5.85E-14mmHg at 25°C
pKa 5.17±0.20(Predicted)
Refractive Index 1.727
Physical and Chemical Properties Chemical properties yellow powder. Insoluble in water, soluble in organic solvents. Brown precipitate in concentrated sulfuric acid, and yellow solution with light brown precipitate after dilution.
Use Uses disperse lemon yellow for polyester and acetate fiber dyeing, with fluorescent green yellow, good levelness. Can also be used for resin, plastic, paint, ink coloring.

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Introduction

Solvent Yellow 44 is also known as Sudan Yellow G in chemistry, and its chemical structure is a chromate of Sudan Yellow G. The following is an introduction to its nature, use, manufacturing methods and safety information:

 

Quality:

- Appearance: Solvent Yellow 44 is a crystalline powder from orange-yellow to reddish-yellow.

- Solubility: soluble in water, methanol, ethanol, insoluble in ether, benzene and other organic solvents.

 

Use:

- Chemical dyes: solvent yellow 44 can be used as a dye in dyes and labeling reagents.

 

Method:

The solvent yellow 44 is mainly prepared by the reaction of sodium chromate with Sudan yellow G in aqueous solution.

 

Safety Information:

- Solvent Yellow 44 is a chemical dye and should be handled with care to avoid inhaling dust or contact with skin, eyes, etc.

- Wear appropriate personal protective equipment such as gloves, glasses, and protective clothing during use.

- In case of inhalation or skin contact, rinse immediately with plenty of water and seek medical assistance.

- During storage, solvent yellow 44 should be placed in a dry, cool, well-ventilated place to avoid contact with ignition, oxidants or other reactive substances.

 

In general, the use of solvent yellow 44 should be carried out in accordance with safe operating procedures and according to the specific application area and regulatory requirements.


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