m-Tolidine

Product Namem-Tolidine
CAS84-67-3
MFC14H16N2
MW212.29
EINECS201-551-1
MOL File84-67-3.mol

Chemical Properties

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

Safety Information

Safety Statements	24/25
HS Code	29215900

Usage And Synthesis

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.

Preparation Products And Raw materials

Raw materials

Phenylboronic acid pinacol ester Sodium hydroxide Hydrochloric acid Bis(pinacolato)diboron XPhos Pd G2 2-IODO-5-NITROTOLUENE 3-Nitrotoluene Zinkamalgam

Preparation Products

4,4'-Diiodo-2,2'-dimethylbiphenyl 2-Naphthalenesulfonic acid, 5,5'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-hydroxy-, disodium salt 1,3-Naphthalenedisulfonic acid, 8-[[2,2'-dimethyl-4'-[[2-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxy-, disodium salt 2,7-Naphthalenedisulfonic acid, 3-[[3,3'-dimethyl-4'-[[3-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt disodium 4-hydroxy-3-[[4'-[(2-hydroxynaphthyl)azo]-2,2'-dimethyl[1,1'-biphenyl]-4-yl]azo]naphthalene-2,7-disulphonate C.I. Acid Orange 49 Acid Red 111 sodium 4-chloro-3-[4-[[2,2'-dimethyl-4'-[[4-[(phenylsulphonyl)oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate C.I. Acid black 70 Acid Yellow 86