Basic information Safety Supplier Related

2,5-Dimethylaniline

Basic information Safety Supplier Related

2,5-Dimethylaniline Basic information

Product Name:
2,5-Dimethylaniline
Synonyms:
  • ai3-16559
  • Aniline, 2,5-dimethyl-
  • para-xylidine
  • P-XYLIDINE
  • 2,5-Dimethylaniline,99%
  • 2,5-DIMETHYLANILINE / 2,5-XYLIDINE
  • Benzenamine, 2,5-dimethyl-
  • 2,5-DIMETHYLBENZAMINE
CAS:
95-78-3
MF:
C8H11N
MW:
121.18
EINECS:
202-451-0
Product Categories:
  • Phenyls & Phenyl-Het
  • Anilines, Aromatic Amines and Nitro Compounds
  • Intermediates
  • Amines
  • Phenyls & Phenyl-Het
Mol File:
95-78-3.mol
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2,5-Dimethylaniline Chemical Properties

Melting point:
11.5 °C(lit.)
Boiling point:
218 °C(lit.)
Density 
0.973 g/mL at 25 °C(lit.)
vapor pressure 
20Pa
refractive index 
n20/D 1.559(lit.)
Flash point:
201 °F
storage temp. 
Store below +30°C.
solubility 
Chloroform (Slightly), Dichloromethane (Slightly), DMSO (Sparingly)
form 
Liquid
pka
pK1:4.53(+1) (25°C)
color 
Clear yellow to red-brown
Water Solubility 
<0.1 g/100 mL at 18 ºC
Merck 
14,10084
BRN 
2205178
LogP
1.83
CAS DataBase Reference
95-78-3(CAS DataBase Reference)
IARC
3 (Vol. 16, Sup 7) 1987
NIST Chemistry Reference
Benzenamine, 2,5-dimethyl-(95-78-3)
EPA Substance Registry System
2,5-Dimethylaniline (95-78-3)
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Safety Information

Hazard Codes 
T,N,Xn
Risk Statements 
23/24/25-33-51/53-48/20
Safety Statements 
28-36/37-45-61-28A
RIDADR 
UN 1711 6.1/PG 2
WGK Germany 
3
RTECS 
ZE9100000
8-10-23
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29214910
Hazardous Substances Data
95-78-3(Hazardous Substances Data)

MSDS

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2,5-Dimethylaniline Usage And Synthesis

Chemical Properties

clear yellow to red-brown liquid

Uses

The uses are the same as those of xylidines.

Uses

2,5-Dimethylaniline is widely used as raw materials to produce imaging chemicals like organic dyes and pigments. It is also used in the production of antioxidants, pharmaceutical, agricultural, rubber chemicals and other target organic molecules. 2,5-Dimethylaniline was also used in the synthesis of nanocomposite of multi-walled carbon nanotubes embedded in poly(2,5-dimethylaniline). 2,5-Dimethylaniline was used to study the effect of metabolites formed from 2,5-xylidine by fungi on laccase activity. The Fourier transform infrared (FTIR) and Raman spectra of 2,5-dimethylaniline was studied5. It induced transcription of lccIV.

Uses

2,5-Dimethylaniline was used in the synthesis of nanocomposite of multi-walled carbon nanotubes embedded in poly(2,5-dimethylaniline). 2,5-Dimethylaniline was used to study the effect of metabolites formed from 2,5-xylidine by fungi on laccase activity.

Definition

ChEBI: A primary arylamine that is aniline in which the hydrogens at the 2- and 5-positions are replaced by methyl groups. It is used in the manufacture of dyes and other chemicals.

General Description

Dark brown liquid.

Air & Water Reactions

2,5-Dimethylaniline may be sensitive to prolonged exposure to air. Insoluble in water.

Reactivity Profile

2,5-Dimethylaniline ignites on contact with fuming nitric acid . Neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Fire Hazard

2,5-Dimethylaniline is combustible.

Safety Profile

Suspected carcinogen. A poison. Moderately toxic by ingestion. Quesuonable carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx. See also other xylidme entries.

Purification Methods

Convert p-xylidine to a derivative (see below) which, after recrystallisation, is decomposed with alkali to give the free base. Dry over KOH and fractionally distil. The acetyl derivative has m 142o (from H2O or toluene), and the benzoyl derivative has m 140o (from EtOH). [Beilstein 12 H 1135, 12 IV 2567.]

2,5-Dimethylaniline Preparation Products And Raw materials

Preparation Products

2,5-DimethylanilineSupplier

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