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3,5-Dimethylaniline

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3,5-Dimethylaniline Basic information

Product Name:
3,5-Dimethylaniline
Synonyms:
  • 3,5-Dimethylaniline 99%
  • 5-AMINO-M-XYLENE
  • 3,5-XYLIDINE
  • 3,5-DIMETHYLANILINE
  • AKOS BBS-00003574
  • 3,5-DIMETHYLANILINE(3,5-XYLIDINE)
  • 3,5-DIMETHYLBENZAMINE
  • 3,5-Xylidin
CAS:
108-69-0
MF:
C8H11N
MW:
121.18
EINECS:
203-607-0
Product Categories:
  • Anilines, Aromatic Amines and Nitro Compounds
  • bc0001
Mol File:
108-69-0.mol
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3,5-Dimethylaniline Chemical Properties

Melting point:
7-9 °C
Boiling point:
104-105 °C14 mm Hg(lit.)
Density 
0.972 g/mL at 25 °C(lit.)
vapor pressure 
1.3-27hPa at 20-100℃
refractive index 
n20/D 1.557(lit.)
Flash point:
200 °F
form 
Liquid
pka
pK1:4.765(+1) (25°C)
color 
Clear yellow-brown to brown
Water Solubility 
<0.1 g/100 mL at 19 ºC
Merck 
14,10084
Specific Activity
50-60 mCi/mmol
Concentration
0.1 mCi/ml
Solvent
Ethanol
BRN 
507051
InChIKey
MKARNSWMMBGSHX-UHFFFAOYSA-N
Dissociation constant
4.71-4.91 at 15-25℃
CAS DataBase Reference
108-69-0(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, 3,5-dimethyl-(108-69-0)
EPA Substance Registry System
3,5-Dimethylaniline (108-69-0)
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Safety Information

Hazard Codes 
T,N
Risk Statements 
23/24/25-33-51/53
Safety Statements 
28-36/37-45-61-28A
RIDADR 
UN 1711 6.1/PG 2
WGK Germany 
3
RTECS 
ZE9625000
8
Hazard Note 
Toxic
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29214990
Hazardous Substances Data
108-69-0(Hazardous Substances Data)

MSDS

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3,5-Dimethylaniline Usage And Synthesis

Chemical Properties

clear yellow-brown to brown liquid

Uses

3,5-Dimethylaniline is the reagent commonly useful in the manufacture of dyes. It undergoes polymerization in the presence of cerium(IV) sulfate as an oxidant. This compound was also employed to produce chiral packing materials for high performance liquid chromatography.

General Description

Dark brown liquid.

Air & Water Reactions

3,5-Dimethylaniline may be sensitive to prolonged exposure to air. Insoluble in water.

Reactivity Profile

3,5-XYLIDINE ignites on contact with fuming nitric acid (NTP, 1992). 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

3,5-Dimethylaniline is combustible.

Safety Profile

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

Purification Methods

Convert sym-xylidine to a derivative (see below) which, after recrystallisation, is decomposed with alkali to give the free base. Dry it over KOH and fractionally distil it. The acetyl derivative has m 144o, the benzoyl derivative has m 136o and the picrate has m 209o (from H2O, EtOH or 10% AcOH). [Beilstein 12 H 1131, 12 IV 2561.]

3,5-Dimethylaniline Preparation Products And Raw materials

Preparation Products

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