Description

1,2-Benzenediamine, 3-(1,1-Dimethylethyl)-5-Methyl- is a substituted aromatic diamine characterized by its sterically hindered tert-butyl and methyl groups. This compound matters as a versatile and high-purity chemical intermediate, offering enhanced stability and reactivity for advanced synthesis. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and polymer industries for applications such as antioxidant synthesis, corrosion inhibitors, and high-performance resin production. CAS No. 133639-31-3.

Application

• Key intermediate in the synthesis of high-performance polymer antioxidants and light stabilizers.
• Building block for pharmaceutical active ingredients, particularly in specialty drug development.
• Precursor for advanced corrosion inhibitors used in industrial lubricants and fuel additives.
• Monomer or cross-linking agent in the production of specialty polyamides and epoxy curing agents.
• Intermediate in the manufacture of dyes and pigments for high-stability colorants.
• Research and development chemical for novel material science and organic synthesis.
• Component in the synthesis of agrochemicals, such as herbicides and fungicides.

Basic Information

Product Name	1,2-Benzenediamine, 3-(1,1-Dimethylethyl)-5-Methyl-
CAS No.	133639-31-3
Molecular Formula	C11H18N2
Molecular Weight	178.28 g/mol
Synonyms	3-tert-Butyl-5-methylbenzene-1,2-diamine; 3-(tert-Butyl)-5-methyl-1,2-benzenediamine; 3-tert-Butyl-5-methyl-o-phenylenediamine; 3-tert-Butyl-5-methyl-1,2-diaminobenzene; 5-Methyl-3-tert-butylbenzene-1,2-diamine; 1,2-Diamino-3-tert-butyl-5-methylbenzene; 3-tert-Butyl-5-methyl-OPD; Contact for details on trade names.
EINECS	Contact for details

Quality Control

Our 1,2-Benzenediamine, 3-(1,1-Dimethylethyl)-5-Methyl- is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for fine chemical synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.