3,4-Diaminotoluene
Synonym(s):3,4-Toluenediamine;4-Methyl-o-phenylenediamine
- CAS NO.:496-72-0
- Empirical Formula: C7H10N2
- Molecular Weight: 122.17
- MDL number: MFCD00007728
- EINECS: 207-826-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-20 17:10:30
What is 3,4-Diaminotoluene?
Chemical properties
Off-white small blocks
The Uses of 3,4-Diaminotoluene
5-Methylbenzotriazole intermediate.
The Uses of 3,4-Diaminotoluene
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.
Synthesis Reference(s)
Tetrahedron Letters, 42, p. 2277, 2001 DOI: 10.1016/S0040-4039(01)00163-0
General Description
A colorless to brownish purple crystalline solid. Toxic by ingestion and inhalation and an irritant to skin and eyes. Soluble in water, alcohol and ether. Decomposes to emit toxic oxides of nitrogen when heated to high temperature. Used in making dyes.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
3,4-Diaminotoluene neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.
Fire Hazard
Flash point data for 3,4-Diaminotoluene are not available. 3,4-Diaminotoluene is probably combustible.
Properties of 3,4-Diaminotoluene
Melting point: | 87-89 °C (lit.) |
Boiling point: | 155-156 °C/18 mmHg (lit.) |
Density | 1.2207 (rough estimate) |
refractive index | 1.5103 (estimate) |
Flash point: | 155-156°C/18mm |
storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
solubility | Chloroform (Sparingly), Methanol (Slightly) |
pka | 4.59±0.10(Predicted) |
form | Crystalline Chunks or Flakes |
color | Brown to grayish-brown |
Water Solubility | 16 g/L (20 ºC) |
BRN | 507965 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
CAS DataBase Reference | 496-72-0(CAS DataBase Reference) |
NIST Chemistry Reference | 1,2-Benzenediamine, 4-methyl-(496-72-0) |
EPA Substance Registry System | 3,4-Diaminotoluene (496-72-0) |
Safety information for 3,4-Diaminotoluene
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 3,4-Diaminotoluene
Abamectin manufacturer
REDDY N REDDY PHARMACEUTICALS
Sarna Chemicals Private Limited
Khagga Life Sciences
BASR Fine Chemicals Pvt. Ltd.
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