<I>N</I>-Methyl-1,2-phenylenediamine , 97% , 4760-34-3

CAS NO.：4760-34-3

Empirical Formula: C7H10N2

Molecular Weight: 122.17

MDL number: MFCD00192314

EINECS: 225-297-6

PRODUCT 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.)
• Flash point: >230 °F
• storage temp.: under inert gas (nitrogen or Argon) at 2–8 °C
• form: Liquid
• pka: 6.17±0.10(Predicted)
• 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)

Description and 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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302+H312+H332-H315-H319
• Precautionary statements: P261-P280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338
• 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