6393-01-7

Basic information

• Product Name: 2,5-Dimethyl-1,4-benzenediamine
• Synonyms: 2,5-DIMETHYL-1,4-PHENYLENEDIAMINE;2,5-DIMETHYL-P-PHENYLENEDIAMINE;2,5-DIMETHYLBENZENE-1,4-DIAMINE;1,4-DIAMINO-2,5-XYLENE;4-AMINO-2,5-DIMETHYLANILINE;2,5-Dimethyl-p-phenylenediamine,97%;1,4-Diamino-2,5-dimethylbenzene, 2,5-Dimethylphenylene-1,4-diamine, 2,5-Diamino-p-xylene;2,5-DiMethyl-p-phenylenediaMine, 97% 5GR
• CAS NO: 6393-01-7
• Molecular Formula: C₈H₁₂N₂
• Molecular Weight: 136.19
• EINECS: 229-003-7
• Product Categories: Fluorenes, etc. (reagent for high-performance polymer research);Functional Materials;Reagent for High-Performance Polymer Research;Amine Monomers;Monomers;Primary Amines
• Mol File: 6393-01-7.mol
• Article Data: 14

Chemical Properties

• Melting Point: 149-150 °C(lit.)
• Boiling Point: 281.087 °C at 760 mmHg
• Flash Point: 146.024 °C
• Appearance: Greyish-brown crystalline powder
• Density: 1.076 g/cm³
• Vapor Pressure: 0.00364mmHg at 25°C
• Refractive Index: 1.618
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• Solubility: Chloroform (Sparingly), DMSO (Slightly)
• PKA: 6.14±0.10(Predicted)
• CAS DataBase Reference: 2,5-Dimethyl-1,4-benzenediamine(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5-Dimethyl-1,4-benzenediamine(6393-01-7)
• EPA Substance Registry System: 2,5-Dimethyl-1,4-benzenediamine(6393-01-7)

Safety Data

• Hazard Codes: Xn
• Statements: 20/21/22-36/37/38
• Safety Statements: 26-37/39-36/37/39
• RIDADR: 2811
• WGK Germany: 3
• HazardClass: 6.1(a)
• PackingGroup: II
• Hazardous Substances Data: 6393-01-7(Hazardous Substances Data)

Usage

Chemical Properties

Greyish-brown crystalline powder

Uses

2,5-Dimethyl-1,4-phenylenediamine (cas# 6393-01-7) is a useful reagent for synthesis of novel Schiff-?base type conjugative polymers.

Definition

ChEBI: A primary arylamine that is p-xylene substituted at the 2 and 5 positions by amino groups. It is formally a reduction product of 2,5-dimethyl-1,4-benzoquinonediimine.

InChI:InChI=1/C8H12N2/c1-5-3-8(10)6(2)4-7(5)9/h3-4H,9-10H2,1-2H3

Upstream product

• 872277-83-3 2,5-dimethyl-4-nitroso-aniline 
• 7647-01-0 hydrogenchloride 
• 53877-41-1 4-(2,5-dimethyl-phenylazo)-2,5-dimethyl-aniline 
• 861309-25-3 (4-amino-2,5-dimethyl-phenyl)-hydrazine-N,N'-dicarboxylic acid diethyl ester 
• 10034-85-2 hydrogen iodide 
• 64-19-7 acetic acid 
• 1074-24-4 2,5-dibromo-p-xylene 
• 100254-82-8 Diamino-β-cumidinsaeure-dimethylester 
• 100143-87-1 Dinitro-β-cumidinsaeure-dimethylester 
• 99361-75-8 Dinitro-β-cumidinsaeure 
• 103905-76-6 2,5-bis(chloromethyl)-3,6-dimethyl-1,4-dinitrobenzene 
• 6298-72-2 2,5-bis(chloromethyl)-p-xylene 
• 2050-44-4 N-(2,5-dimethylphenyl)acetamide 
• 6954-69-4 N-(2,5-dimethyl-4-nitrophenyl)acetamide 

Downstream Products

• 503864-14-0 2,5-dimethyl-1,4-bis-[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidenemethyl)amino]benzene 
• 529-81-7 Troeger's base 
• 856010-25-8 4-[(4-Amino-2,5-dimethyl-phenylamino)-methyl]-2-benzotriazol-2-yl-phenol 
• 226947-08-6 Mo(S₂CN(CH₂CH₃)2)2Cl₂(NC₆H₂(CH₃)2NH₂) 
• 1391420-83-9 C₃₆H₃₅N₃O₄ 
• 1391420-84-0 C₅₀H₃₇N₃O₉ 

Relevant articles and documents

A 2,5-dimethyl -1,4-phenylene diamine method for the preparation of

The invention relates to a preparation method of 2,5-dimethyl-1,4-phenylenediamine. The method is characterized in that aniline substances are used as a raw material and are made into 2,5-dimethyl-1,4-phenylenediamine through a diazotization reaction, a coupled reaction, a hydrogenolysis reaction and purification treatment. According to the invention, the main and the auxiliary raw materials are cheap and easy to obtain, the reaction steps are relatively few, the yield is high, the operation is simple and convenient, and the method is used for further replacing the old technology to realize and develop the novel industrialized production of the product; the aniline substances are reclaimed to be still used as auxiliary raw materials for preparing aniline diazonium salt, so that cost and pollution are reduced, circular economy is produced, and cleaner production is realized; the quality of the obtained product is improved greatly, and the content is far more than the old product, especially an exported product of the content of 75%; the prepared product can not only be used for dye and paints, but also can expand using functions of a high-performance material monomer.

Diamination of phenylene dihalides catalyzed by a dicopper complex

Diamination of phenylene dihalides with aqueous ammonia to give the corresponding phenylenediamines can be achieved by using a dicopper complex [Cu2(bpnp)(OH)(CF3COO)3] (1) (bpnp = 2,7-bis(pyridine-2-yl)-l,8-naphthyridine) as the catalyst in the presence of Bu4NBr and Cs2CO3 in high yields. In addition, 1,3,5-tribromobenzene was converted into benzenetriamine quantitatively under the same conditions. This method offers a new opportunity, particularly simplifying steps and increasing yields, for the preparation of aryl diamines.

1,3-Dihydroxybenzene derivatives and colorants containing said compounds

1,3-Dihydroxybenzene derivatives of general formula (I) or (Ia) or physiologically tolerated, water-soluble thereof wherein R′1 denotes substituted pyridyl group, a pyrimidyl group, a group of formula (IIa) or (IIIa) and the dyeing agents for keratin fibers containing these compounds.