Products

N-Methylbenzene-1,2-diamine

Product Introduction

N-Methylbenzene-1,2-diamine Basic information

Product Name:	N-Methylbenzene-1,2-diamine
Synonyms:	2-(methylamino)aniline;2-amino-n-methylaniline;n-methyl-2-benzenediamine;n-methyl-o-phenylenediamin;N-methylbenzene-1,2-diamine;N-METHYL-1,2-PHENYLENEDIAMINE / N-METHYL-O-PHENYLENEDIAMINE;N-1-methyl-1,2-benzenediamine.hcl;(2-aminophenyl)-methyl-amine
CAS:	4760-34-3
MF:	C7H10N2
MW:	122.17
EINECS:	225-297-6
Product Categories:	Nitrogen Compounds;Organic Building Blocks;Miscellaneous;(intermediate of telmisartan);Polyamines
Mol File:	4760-34-3.mol

N-Methylbenzene-1,2-diamine Chemical Properties

Melting point	22 °C (lit.)
Boiling point	123-124 °C/10 mmHg (lit.)
density	1.075 g/mL at 25 °C (lit.)
refractive index	n20/D 1.612(lit.)
Fp	>230 °F
storage temp.	under inert gas (nitrogen or Argon) at 2–8 °C
pka	6.17±0.10(Predicted)
form	Liquid
color	Clear yellow to red to dark brown
InChIKey	RPKCLSMBVQLWIN-UHFFFAOYSA-N
CAS DataBase Reference	4760-34-3(CAS DataBase Reference)
EPA Substance Registry System	1,2-Benzenediamine, N-methyl- (4760-34-3)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	20/21/22-36/38-36/37/38
Safety Statements	26-36
WGK Germany	3
RTECS	ST2770000
HS Code	29215900

MSDS Information

Provider	Language
SigmaAldrich	English

N-Methylbenzene-1,2-diamine Usage And Synthesis

Uses

N-Methyl-1,2-phenylenediamine may be used in the following studies:

One-pot synthesis of 1-methyl-2(hetero)arylbenzimidazoles.

Preparation of 1-methyl-1H-benzimidazole-2(3H)-thione.

Total synthesis of the angiotensin II receptor antagonist, telmisartan.

Preparation of benzimidazoles from ketene dithioacetals.

Synthesis Reference(s)

Synthetic Communications, 19, p. 1381, 1989 DOI: 10.1080/00397918908054547

General Description

N-Methyl-1,2-phenylenediamine is an ortho-diamine. In situ generated diazonium cations of N-methyl-1,2-phenylenediamine were used for the electrochemical modification of glassy carbon electrode.

N-Methylbenzene-1,2-diamine Preparation Products And Raw materials

Preparation Products

2-AMINO-1-METHYLBENZIMIDAZOLE-->1-METHYLBENZIMIDAZOLE-->(1-METHYL-1H-BENZIMIDAZOL-2-YL)METHYLAMINE-->10-methylisoalloxazine-->1H-Benzimidazole,1-methyl-2-propyl-(9CI)-->1-METHYL-1,3-DIHYDRO-BENZO[1,2,5]THIADIAZOLE 2,2-DIOXIDE-->[2-(1-methyl-1H-benzimidazol-2-yl)ethyl]amine dihydrochloride-->N-(1-methyl-1H-benzimidazol-2-yl)benzamide

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