3,4-Diaminotoluene CAS#496-72-0
Good Solubility Performance: The product is soluble in water, alcohol, and ether, providing convenient handling and processing properties for various applications.
Versatile Dye Manufacturing Intermediate: It is an important chemical material used in the production of dyes, supporting the synthesis of various coloring compounds.
Distinct Physical Appearance: The product exists as a colorless to brownish purple crystalline solid, offering identifiable physical characteristics for quality control and application needs.
Stable Chemical Application Value: With its specific chemical properties, the compound serves as a useful intermediate in industrial chemical processes, particularly in dye-related applications.
Product Description of 3,4-Diaminotoluene CAS#496-72-0
3,4-Diaminotoluene is a colorless to brownish-purple crystalline solid. It is soluble in water, alcohol, and ether. When exposed to high temperatures, it may decompose and release toxic nitrogen oxides.
The compound is toxic if ingested or inhaled and may cause irritation to the skin and eyes. It is primarily used as an intermediate in the manufacture of dyes.
3,4-Diaminotoluene Chemical Properties
| Melting point | 87-89 °C (lit.) |
| Boiling point | 155-156 °C/18 mmHg (lit.) |
| density | 1.2207 (rough estimate) |
| refractive index | 1.5103 (estimate) |
| Fp | 155-156°C/18mm |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Chloroform (Sparingly), Methanol (Slightly) |
| form | Crystalline Chunks or Flakes |
| pka | 4.59±0.10(Predicted) |
| color | Brown to grayish-brown |
| Water Solubility | 16 g/L (20 ºC) |
| BRN | 507965 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | HAIR DYEING |
| InChI | 1S/C7H10N2/c1-5-2-3-6(8)7(9)4-5/h2-4H,8-9H2,1H3 |
| InChIKey | DGRGLKZMKWPMOH-UHFFFAOYSA-N |
| SMILES | Cc1ccc(N)c(N)c1 |
| 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) |
| Hazard Codes | Xn |
| Risk Statements | 20/21/22-36/37/38-52/53-40-36-22 |
| Safety Statements | 26-37/39-61-36/37/39 |
| RIDADR | UN 2811 |
| WGK Germany | 2 |
| RTECS | XS9820000 |
| TSCA | TSCA listed |
| HazardClass | 6.1(b) |
| PackingGroup | III |
| HS Code | 29215119 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Dermal |
| Acute Tox. 4 Inhalation | |
| Acute Tox. 4 Oral | |
| Eye Irrit. 2 | |
| Skin Irrit. 2 | |
| STOT SE 3 | |
| Hazardous Substances Data | 496-72-0(Hazardous Substances Data) |
Product Application of 3,4-Diaminotoluene CAS#496-72-0
3,4-Diaminotoluene (4-Methyl-o-phenylenediamine) can be used as a chromogenic reagent for the spectrophotometric determination of selenium(IV). It is also applied in the synthesis of asymmetric tetradentate Schiff bases through condensation reactions with dehydroacetic acid and salicylaldehyde.



