33380

4-Methyl-o-phenylenediamine

purum, ≥98.0% (NT)

• Synonym(s): 3,4-Toluenediamine
• Linear Formula: CH₃C₆H₃(NH₂)₂
• CAS Number: 496-72-0
• Molecular Weight: 122.17
• Beilstein: 507965
• EC Number: 207-826-2
• MDL number: MFCD00007728
• UNSPSC Code: 12352100
• PubChem Substance ID: 329754508
• NACRES: NA.22

Properties

• grade: purum
• Quality Level: 100
• Assay: ≥98.0% (NT)
• bp: 155-156 °C/18 mmHg (lit.)
• mp: 87-89 °C (lit.); 87-89 °C
• application(s): agriculture; environmental
• SMILES string: Cc1ccc(N)c(N)c1
• InChI: 1S/C7H10N2/c1-5-2-3-6(8)7(9)4-5/h2-4H,8-9H2,1H3
• InChI key: DGRGLKZMKWPMOH-UHFFFAOYSA-N

Description

General description

4-Methyl-o-phenylenediamine is the 4-substituted derivative of o-phenylenediamine. It reacts with selenous acid in acid solution to form benzoselenadiazoles.

Application

4-Methyl-o-phenylenediamine was employed as chromogenic reagent in the spectrophotometric determination of selenium(IV). It was used in the synthesis of an asymmetrical tetradentate Schiff base via condensation with dehydroacetic acid and salicylic aldehyde.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302 + H312 + H332,H315,H319,H335
• Precautionary Statements: P261 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves