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2,5-Diaminotoluene(CAS#95-70-5)

Chemical Property:

Molecular Formula C7H10N2
Molar Mass 122.17
Density 1.0343 (rough estimate)
Melting Point 64°C
Boling Point 273°C
Flash Point 140.6°C
Water Solubility 500g/L at 20℃
Solubility Soluble in water
Vapor Presure 0.454Pa at 25℃
Appearance powder to crystal
Color White to Brown
pKa 5.98±0.10(Predicted)
Refractive Index 1.5103 (estimate)
Physical and Chemical Properties Colorless flake crystal. Melting point 64 ℃. Boiling point 274 ℃. Dissolved in water, ethanol, ether and benzene when heated, and less when cold.
Use For the synthesis of hair dyes, Leather dyes

Product Detail

Product Tags

Risk Codes R20/21 – Harmful by inhalation and in contact with skin.
R25 – Toxic if swallowed
R43 – May cause sensitization by skin contact
R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description S24 – Avoid contact with skin.
S37 – Wear suitable gloves.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
UN IDs 2811
RTECS XS9700000
Hazard Class 6.1(b)
Packing Group III

 

Introduction

2,5-Diaminotoluene is an organic compound, the following is an introduction to the properties, uses, preparation methods and safety information of 2,5-diaminotoluene:

 

Quality:

- Appearance: 2,5-Diaminotoluene is a white to light yellow crystalline powder.

- Solubility: It dissolves slightly in water, but is more soluble in organic solvents such as benzene and alcohol-based solvents.

 

Use:

- 2,5-Diaminotoluene is an important intermediate in organic synthesis, which is often used in the preparation of pigments and dyes, especially in the preparation of synthetic fiber quality materials.

 

Method:

- The preparation of 2,5-diaminotoluene is mainly achieved by the reduction of nitrotoluene. Nitrotoluene first reacts with ammonia to produce 2,5-dinitrotoluene, which is then reduced to 2,5-diaminotoluene by a reducing agent such as sodium diene.

 

Safety Information:

- 2,5-Diaminotoluene is irritating to the eyes and skin, so wear appropriate protective equipment and avoid contact when using it.

- When operating, avoid inhaling its dust or solution and maintain good ventilation conditions.

- 2,5-Diaminotoluene should be kept away from ignition and oxidizing agents, and stored in a dry, cool place.

- Follow relevant safe operating procedures and dispose of waste properly when handling or storing.


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