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Diphenylamine(CAS#122-39-4)

Chemical Property:

Molecular Formula C12H11N
Molar Mass 169.22
Density 1.16
Melting Point 52 °C
Boling Point 302°C(lit.)
Flash Point 307°F
Water Solubility Slightly soluble. 0.03 g/100 mL
Solubility alcohol: passes test
Vapor Presure 1 mm Hg ( 108 °C)
Vapor Density 5.82 (vs air)
Appearance crystalline
Color tan
Odor Floral odor
Exposure Limit TLV-TWA 10 mg/m3 (ACGIH and MSHA).
Merck 14,3317
BRN 508755
pKa 0.79(at 25℃)
Storage Condition Store below +30°C.
Stability Stable; may discolour on exposure to light. Incompatible with strong acids, strong oxidizing agents.
Sensitive Air & Light Sensitive
Refractive Index 1.5785 (estimate)
Physical and Chemical Properties Density 1.16
melting point 52-54°C
boiling point 302°C
flash point 152°C
water-soluble clear solution. 0.03g/100 mL
Use Mainly used in the manufacture of rubber antioxidant, propellant stabilizer, also used as intermediates for dyes and pesticides

Product Detail

Product Tags

Risk Codes R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed.
R33 – Danger of cumulative effects
R50/53 – Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R52/53 – Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R39/23/24/25 -
R11 – Highly Flammable
R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description S28 – After contact with skin, wash immediately with plenty of soap-suds.
S36/37 – Wear suitable protective clothing and gloves.
S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S60 – This material and its container must be disposed of as hazardous waste.
S61 – Avoid release to the environment. Refer to special instructions / safety data sheets.
S28A -
S16 – Keep away from sources of ignition.
S7 – Keep container tightly closed.
UN IDs UN 3077 9/PG 3
WGK Germany 3
RTECS JJ7800000
FLUKA BRAND F CODES 8-10-23
TSCA Yes
HS Code 2921 44 00
Hazard Class 6.1
Packing Group III
Toxicity LD50 orally in Rabbit: 1120 mg/kg LD50 dermal Rabbit > 5000 mg/kg

 

Introduction

Diphenylamine is an organic compound. The following is an introduction to the properties, uses, preparation methods and safety information of diphenylamine:

 

Quality:

Appearance: Diphenylamine is a white crystalline solid with a weak amine odor.

Solubility: It is soluble in organic solvents such as ethanol, benzene and methylene chloride at room temperature, but insoluble in water.

Stability: Diphenylamine is relatively stable under normal conditions, will oxidize in the air, and may produce toxic gases.

 

Use:

Dye and pigment industry: Diphenylamine is widely used in the synthesis of dyes and pigments, which can be used to dye fibers, leather and plastics, etc.

Chemical research: Diphenylamine is an important reagent in organic synthesis and is often used to construct carbon-carbon and carbon-nitrogen bonds.

 

Method:

The common preparation method of diphenylamine is obtained by the amino dehydrogenation reaction of aniline. Gas-phase catalysts or palladium catalysts are usually used to facilitate the reaction.

 

Safety Information:

Inhalation, ingestion, or contact with the skin can cause irritation and is corrosive to the eyes.

During use and carrying, contact with skin and eyes should be avoided, and proper ventilation conditions should be taken into account.

Diphenylamine is a potential carcinogen and relevant safety operating procedures should be followed and regulations strictly followed. Appropriate protective equipment should be worn when used and operated in a laboratory.

 

The above is a brief introduction to the properties, uses, preparation methods and safety information of diphenylamine. For more detailed information, please consult the relevant literature or consult a professional.


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