3,4-Diaminotoluene CAS#496-72-0

1.Key Intermediate for Organic Synthesis: 3,4‑Diaminotoluene serves as a critical intermediate for dye production and organic synthesis, facilitating the fabrication of diverse chemical products.

2.Distinct Physical Properties: It possesses a well‑defined molecular structure with formula C₇H₁₀N₂, a molecular weight of 122.17, a melting point ranging from 87‑89 °C and a boiling point of 265 °C, which guarantees dependable processing and practical deployment.

3.Stable Solid‑State Features: This substance occurs as grayish‑white to light‑brown flaky crystals. It maintains good stability under ordinary conditions and is capable of sublimation upon heating.

4.Multi‑Purpose Chemical Application Prospects: Thanks to its diamine functional moieties, 3,4‑Diaminotoluene delivers favorable reactivity, granting high application flexibility within dye‑making and organic synthesis domains.

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Product Details

3,4‑Diaminotoluene, alternatively named 4‑methyl‑1,2‑phenylenediamine, is an organic compound featuring the molecular formula C₇H₁₀N₂ and a molecular weight of 122.17. Its documented melting point is 87‑89 °C, and its boiling point is 265 °C.

The substance presents as grayish‑white to light‑brown flaky crystalline solid. It shows slight solubility in cold water and possesses sublimation properties. Benefiting from its chemically active amino groups, 3,4‑Diaminotoluene finds extensive application as a vital intermediate for dye manufacturing and organic synthesis.

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)
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)
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	Yes
HazardClass	6.1(b)
PackingGroup	III
HS Code	29215119
Hazardous Substances Data	496-72-0(Hazardous Substances Data)

3,4-Diaminotoluene CAS#496-72-0

Product Application

It is primarily used in the manufacture of high-grade organic pigment Disperse Fluorescent Yellow. It can also be applied as a rust inhibitor and corrosion inhibitor, as well as an intermediate for the production of dye intermediates, organic synthesis intermediates, and synthetic metal compounds, including those of silver, copper, lead, nickel, and zinc.

3,4-Diaminotoluene CAS#496-72-0