INTRODUCTION
2-Amino-p-cresol is a crystalline, sublime solid soluble in oxygenated solvents. It serves as an important starting material for production of colorants and other intermediates.
Manufacture
The compound is produced by nitration of p-cresol and subsequent reduction of the nitro-p-cresol.
| Synonyms | 3-Amino-4-hydroxytoluene 2-Amino-4-methylphenol |
| CAS no. | 95-84-1 |
| EINECS no. | 202-457-3 |
| Molecular formula | C7H9NO |
| Molecular weight | 123.16 |
| Structure |  |
Applications in Colorants
The aromatic compound is used to produce colorants such as:
| Fluorescent Brightener 135 |
| Fluorescent Brightener PF |
| Reactive Blue 40 |
| Mordant Green 10 |
Applications in Intermediates
2-Amino-p-cresol can be converted into the following versatile intermediates:
| 4-(2-Hydroxy-5-methylphenyl)imino-2-pentanone |
| N-(2-Hydroxy-5-methylphenyl)-N’-phenylurea |
| 2-Mercapto-5-methylbenzoxazole |
| 2,5-Dimethylbenzoxazole |
| 4-Acetoxy-3-acetyaminotoluene |
Other Applications
| In synthesis of functionalized spiropyran of benzoxazonone series |
| As major sensitizer in contact allergy to Disperse Yellow 3 |
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | Clear crystalline powder or crystals with characteristic odor |
| Solubility in 1% methanol solution | – | Solution should be clear and light color |
| Identification by HPLC | – | Should conform to reference chromatogram |
| Water content | % | Max 1.5 |
| Sulphated Ash | % | Max 1.5 |
| Related substances by HPLC | ||
| a. 2,6-diaminomethyl-4-phenol | % | Max 0.2 |
| b. 4-Methyl-3-aminophenol | % | Max 0.1 |
| c. Any other impurity | % | Max 0.1 |
| d. Total impurities | % | Max 0.5 |
| Assay by titration | % | Min 97 |
STORAGE
The product is stored under inert atmosphere at ambient temperature.
PACKING
25 kg HDPE drum
ExSyn offers 2-amino-p-cresol on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please get in touch with us.
Blown Castor Oil (15-17 Poise) is a modified grade of Castor oil. The “15-17 Poise” specification refers to its viscosity range, indicating a medium-viscosity blown oil suitable for industrial applications requiring improved body, tackiness, and elasticity compared to regular castor oil.
Dimethylaminoethanol (DMAE) is a is a tertiary amine that is ethanolamine having two N-methyl substituents. It is clear & colourless to pale yellow liquid with ammoniacal odor. DMAE is stable at room temperature and is completely miscible with water as well as organic solvents such as alcohols and ethers. It decomposes at high temperatures. It is a versatile chemical intermediate primarily used as a curing agent for polyurethane foams and epoxy resins.
1,4,7-Trimethyl-1,4,7-triazonane (Me₃TACN) is a valuable macrocyclic tridentate ligand derived from 1,4,7-triazacyclononane. In Me₃TACN, each nitrogen atom is substituted with a methyl group, which significantly modifies its steric and electronic properties. Me₃TACN is widely used as a ligand in coordination chemistry due to its ability to form stable complexes with transition metals such as Cu, Ni, Fe, Mn, and Zn.
Adenosine is a naturally occurring purine nucleoside composed of adenine and ribose, present in all living cells. It plays a vital role in biochemical processes such as energy transfer (ATP/ADP), signal transduction, and regulation of physiological functions, and is widely used in pharmaceutical applications.
Methyl-2-Methoxy-5-Sulfamoyl Benzoate (MSMB) is a sulfur containing organic building block acting as a chemical intermediate. MSMB contains ester and sulfamoyl functional groups, which make it useful as a pharmaceutical and fine-chemical intermediate.
Imidazolidinyl urea is a widely used antimicrobial preservative in the cosmetic and personal care industry. It is a formaldehyde-releasing compound that effectively inhibits the growth of bacteria, yeast, and molds, thereby extending the shelf life of formulations. Due to its broad-spectrum efficacy and cost-effectiveness, it is commonly used in rinse-off and leave-on products within regulated concentration limits.
Phosphorodiamidites are a unique class of phosphorus-based compounds characterized by one P–O bond and two P–N moieties. 2-Cyanoethyl tetraisopropylphosphorodiamidite plays a crucial role in solid-phase oligonucleotide synthesis. Beyond their application as synthetic precursors for oligonucleotides, phosphorodiamidites have also been reported as valuable starting materials for the synthesis of industrially relevant polymers and flame-resistant materials, including adhesives, coatings, and laminates.
Ferric maltol is an oral iron complex composed of ferric iron (Fe³⁺) chelated with maltol, designed to improve iron absorption while reducing common gastrointestinal side effects associated with traditional iron salts. It is primarily used in the management of iron deficiency with better tolerability.
Phosphatidylcholine (PC) is one of the most important phospholipids derived from soya lecithin and represents a key structural component of cell membranes. Phosphatidylcholine 90% refers to a highly purified grade where the PC content is enriched to around 90% through specialized extraction and purification steps.