Merck
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33380

Sigma-Aldrich

4-Methyl-o-phenylenediamine

purum, ≥98.0% (NT)

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Synonym(s):
3,4-Toluenediamine
Linear Formula:
CH3C6H3(NH2)2
CAS Number:
Molecular Weight:
122.17
Beilstein:
507965
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

grade

purum

Quality Level

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

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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.

Pictograms

Exclamation mark

Signal Word

Warning

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

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