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m-Tolidine

Product Name
m-Tolidine
CAS No.
84-67-3
Chemical Name
m-Tolidine
Synonyms
NZ066;APB-144;M-TOLIDINE;2,2'-Tolidine;m-Tolidine;2,2’-dimethylbenzidine;2,2'-dimethyl benzidine;4,4'-Diamino-2,2'-dimethylbiphenyl;2,2'-Dimethyl-4,4'-biphenyldiamine;2,2'-diMethyl-4,4'-diaMinobiphenyl
CBNumber
CB0320487
Molecular Formula
C14H16N2
Formula Weight
212.29
MOL File
84-67-3.mol
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m-Tolidine Property

Melting point:
105-106℃
Boiling point:
344.4±37.0 °C(Predicted)
Density 
1.106
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Solid
pka
4.89±0.10(Predicted)
color 
White to Off-White
Stability:
Incompatible with oxidising agents
InChI
InChI=1S/C14H16N2/c1-9-7-11(15)3-5-13(9)14-6-4-12(16)8-10(14)2/h3-8H,15-16H2,1-2H3
InChIKey
QYIMZXITLDTULQ-UHFFFAOYSA-N
SMILES
C1(C2=CC=C(N)C=C2C)=CC=C(N)C=C1C
CAS DataBase Reference
84-67-3
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Safety

Safety Statements 
24/25
HS Code 
29215900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
T3098
Product name
m-Tolidine
Purity
>98.0%(GC)(T)
Packaging
25g
Price
$109
Updated
2025/07/31
TRC
Product number
D460113
Product name
2,2''-Dimethyl-[1,1''-biphenyl]-4,4''-diamine
Packaging
250mg
Price
$50
Updated
2021/12/16
AK Scientific
Product number
J96241
Product name
m-Tolidine
Packaging
10g
Price
$16
Updated
2021/12/16
AK Scientific
Product number
J96241
Product name
m-Tolidine
Packaging
100g
Price
$75
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0079700
Product name
2,2'-DIMETHYL-[1,1'-BIPHENYL]-4,4'-DIAMINE
Purity
95.00%
Packaging
5G
Price
$909.56
Updated
2021/12/16
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m-Tolidine Chemical Properties,Usage,Production

Chemical Properties

m-Tolidine is pink particles and can form prisms when exposed to water. It is soluble in cold water, alcohol, and ether. In the presence of iron(III) chloride, m-Tolidine does not produce any color. It is tetrazotized with nitrite and acid and couples to form dyes.

Uses

2,2''-Dimethyl-[1,1''-biphenyl]-4,4''-diamine (cas# 84-67-3) is a useful reagent for manufacturing cured films and semiconductor devices.

Uses

M-TOLIDINE is used for preparation polyimide and epoxy resin material.

Preparation

M-Tolidine is made by the reduction of m-nitrotoluene with zinc dust and sodium hydroxide solution. The subsequent rearrangement is carried out with hydrochloric acid or sulfuric acid and gives rise to m-tolidine dihydrochloride or m-tolidine sulfate, which are isolated as salts. The free base is diffificult to isolate and is therefore not a commercial product.

Definition

M-Tolidine gives no color in the presence of iron(III) chloride. It is tetrazotized with nitrite and acid and couples to form dyes. M-Tolidine was used in the past for the production of azo dyes.

Chemical Reactivity

M-Tolidine gives no color in the presence of iron(III) chloride. It is tetrazotized with nitrite and acid and couples to form dyes.

m-Tolidine Preparation Products And Raw materials

Raw materials

Preparation Products

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m-Tolidine Suppliers

China 215 India 3 Japan 1 South Korea 1 United States 6 Global 226
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View Lastest Price from m-Tolidine manufacturers

CHINATECH(TIANJIN) CHEMICAL CO.,LTD.
Product
2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine (M-Tolidine) 84-67-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
≥99.5%
Supply Ability
500MT
Release date
2025-10-27
WUHAN FORTUNA CHEMICAL CO., LTD
Product
2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine 84-67-3
Price
US $0.00/KG
Min. Order
1KG
Purity
98%min
Supply Ability
30tons/month
Release date
2023-02-24
Hebei Fengjia New Material Co., Ltd
Product
m-Tolidine 84-67-3
Price
US $5.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10000
Release date
2024-09-10

84-67-3, m-TolidineRelated Search:

2,2'-Bis(trifluoromethyl)benzidine Acid Red 111 o-TOLIDINE DIHYDROCHLORIDE REAGENT (ACS),o-Tolidine2HCl,O-TOLIDINE HYDROCHLORIDE R. G.,O-TOLIDINE HYDROCHLORIDE,O-TOLIDINE DI HCL,O-TOLIDINE DIHYDROCHLORIDE o-Tolidine hydroch DIACETOACET-O-TOLIDINE O-TOLIDINE SULFONE 99% MIXTURE OF &,O-tolidine sulfone, mixture of isomers,O-TOLIDINE SULFONE O-Tolidine o-Tolidine diisocyanate (S)-2,2'-DIMETHYL-1,1'-BINAPHTHYL 2,2'-DIMETHYLBIPHENYL (R)-2,2'-DIMETHYL-1,1'-BINAPHTHYL 4,4'-DIMETHYLBIPHENYL Benzidine 4,4'-DIAMINOBIPHENYL-2,2'-DICARBOXYLIC ACID o-Tolidine-6,6''-disulfonic acid O-TOLIDINE SULFONE O-TOLIDINE SOLUTION [FOR CHLORINE-TEST] o-Tolidine dihydrochoride

  • 2,2'-dimethyl[1,1'-biphenyl]-4,4'-diamine
  • 4-(4-amino-2-methylphenyl)-3-methylbenzenamine
  • 4,4'-Diamino-2,2'-dimethylbiphenyl
  • APB-144
  • M-TOLIDINE
  • 1’-Biphenyl]-4,4’-diamine,2,2’-dimethyl-[1
  • 2,2’-dimethylbenzidine
  • 2,2'-diMethyl-4,4'-diaMinobiphenyl(M-TB)
  • 2,2'-diMethyl-4,4'-diaMinobiphenyl (M-tolidine
  • <i>m</i>-Tolidine
  • 2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-Diamine(M-Tolidine)
  • [1,1'-Biphenyl]-4,4'-diamine,2,2'-dimethyl-
  • 2,2'-dimethyl-[1,1'-Biphenyl]-4,4'-diamine 2,2'-dimethyl benzidine
  • 2,2'-Dimethyl-4,4'-biphenyldiamine
  • 2,2'-Dimethyl-4,4'-diamino-1,1'-biphenyl
  • 2,2'-Tolidine
  • [4-(4-amino-2-methyl-phenyl)-3-methyl-phenyl]amine
  • 4-(4-amino-2-methylphenyl)-3-methylaniline
  • 4-(4-azanyl-2-methyl-phenyl)-3-methyl-aniline
  • NZ066
  • 2,2'-DIMETHYL-4,4'-DIAMINOBIPHENYL(M-TOLIDINE/M-TB)
  • 2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine (M-Tolidine) CAS
  • 2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine (M-Tolidine)
  • 2,2'-Dimethyl-[1,1'-biphenyl]-4,4'-diamine
  • 2,2'-dimethyl benzidine
  • 2,2'-diMethyl-4,4'-diaMinobiphenyl
  • 2,2'-dimethy- 4,4'-diaminobiphenyl
  • 4,4 '- Diamino-2,2' - Dimethyl-1,1 '- Biphenyl (m-TD)
  • 4,4'-Diamino-2,2'-dimethyl-1,1'-biphenyl
  • 2,2'-Dimethyl-[1,1'-biphenyl] -4,4'-Diamine (M-Tolidine)CAS
  • 2,2'-dimethyl-4,4'-diaminobiphenyl
  • 84-67-3
  • C6H3NH2CH32
  • Intermediates of Dyes and Pigments
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis
  • fine chemicals, specialty chemicals, intermediates, electronic chemical, organic synthesis, functional materials
  • 84-67-3