2-Methyl-1,3-benzenediamine

Basic Information

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CAS Number

823-40-5

Molecular Formula

C7H10N2

Molecular Weight

122.17 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Physical Properties

Melting Point

104.0 to 107.0 deg-C

Boiling Point

282°C

Density

1.0343 (rough estimate)

Water Solubility

60 g/L (15 ºC)

Flash Point

148.3 °C

Refractive Index

1.5103 (estimate)

SMILES

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Cc1c(N)cccc1N

InChI

InChI=1S/C7H10N2/c1-5-6(8)3-2-4-7(5)9/h2-4H,8-9H2,1H3

InChIKey

RLYCRLGLCUXUPO-UHFFFAOYSA-N

LogP

1.1594200000000001

Topological Polar Surface Area

52.04 Å²

Hydrogen Bond Donor/Acceptor

4 / 2

Complexity

82.9

Safety Information

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GHS Hazard Pictograms

H302

H312

H317

H341

H411

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H312 Harmful in contact with skin
Acute toxicity, dermal

H317 May cause an allergic skin reaction
Sensitization, Skin

H341 Suspected of causing genetic defects
Germ cell mutagenicity

H411 Toxic to aquatic life with long lasting effects
Hazardous to the aquatic environment, long-term hazard

Hazard Class

Class 6.1 Class 6.1

Stability

Stable. Combustible. Incompatible with strong oxidizing agents, strong acids.

Synonyms & References

English

2,6-Diaminotoluene
2-Methyl-1,3-phenylenediamine
2,6-Toluenediamine
2-methyl-m-phenylenediamine
2-Methylbenzene-1,3-diamine
Tolylene-2,6-diamine
1,3-Diamino-2-methylbenzene
2,6-Diamino-1-methylbenzene
2-Methyl-m-phenylenediamine

MDL Number

MFCD00007800

FAQ

What are the physical and chemical properties of 2-Methyl-1,3-benzenediamine (CAS: 823-40-5)?

2-Methyl-1,3-benzenediamine (CAS: 823-40-5) is a colorless to pale yellow liquid with a molecular weight of approximately 136.18 g/mol. It has a high solubility in water and organic solvents. Chemically, it is relatively stable under normal conditions but can react with strong acids to form aromatic diazonium salts. Its reactivity is influenced by the presence of the methyl group, which moderately stabilizes the molecule.

How is 2-Methyl-1,3-benzenediamine (CAS: 823-40-5) typically synthesized?

2-Methyl-1,3-benzenediamine can be synthesized via the diazotization of 2-methyl-1,3-diaminobenzene. This process involves treating the amine with hydrochloric acid to form a diazonium salt, which is then reduced to the amine using sodium borohydride. The reaction is typically carried out in aqueous media under pH control to ensure selectivity and yield.

What industries use 2-Methyl-1,3-benzenediamine (CAS: 823-40-5)?

2-Methyl-1,3-benzenediamine (CAS: 823-40-5) is primarily used in the pharmaceutical industry for the synthesis of various drugs. It also finds applications in the polymer industry, where it is used as a monomer for the production of specialized plastics. Additionally, it is utilized in the development of sensors and semiconductors due to its unique chemical properties.

What precautions should be taken when handling 2-Methyl-1,3-benzenediamine (CAS: 823-40-5)?

When handling 2-Methyl-1,3-benzenediamine (CAS: 823-40-5), it is essential to wear personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Ensure the use of a fume hood to minimize exposure to the vapors. Spills should be contained and handled according to the Material Safety Data Sheet (MSDS/SDS). In case of skin contact, wash the affected area with soap and water. Always follow the guidelines provided in the SDS for safe handling and disposal.