4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate
[CAS# 25646-77-9]

Identification

• Classification: Biochemical >> Amino acids and their derivatives >> Amino alcohol derivative
• Name: 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate
• Synonyms: 2-[(4-Amino-3-methylphenyl)ethylamino]ethanol sulfate; Color developing agent CD-4
• Molecular Formula: C₁₁H₁₈N₂O.H₂SO₄
• Molecular Weight: 292.35
• CAS Registry Number: 25646-77-9
• EC Number: 247-162-0
• SMILES: CCN(CCO)C1=CC(=C(C=C1)N)C.OS(=O)(=O)O

Properties

• Melting point: 155 °C

Safety Data

• Hazard Symbols: GHS06;GHS07;GHS08;GHS09 Danger
• Risk Statements: H301-H317-H373-H400-H410
• Safety Statements: P260-P261-P264-P270-P272-P273-P280-P301+P316-P302+P352-P319-P321-P330-P333+P317-P362+P364-P391-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Skin sensitization	Skin Sens.	1	H317
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	3	H301
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	2	H300

Discovery and Applications

4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate is a chemical compound of significant interest due to its unique properties and diverse applications in various fields. This substance, commonly known in scientific literature for its role in dye chemistry and material science, has demonstrated notable utility in a range of chemical processes.

The discovery of 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate can be traced back to research aimed at developing novel dyes and colorants. Scientists were investigating new compounds that could provide specific color properties while also exhibiting stability and compatibility with different materials. This compound emerged as a valuable candidate due to its unique chemical structure, which includes an N-ethyl-N-2-hydroxyethyl group attached to a 2-methylphenylenediamine core. The sulfate group further enhances its solubility and stability in aqueous environments.

One of the primary applications of 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate is in the dye industry. It is utilized as a dye intermediate, playing a critical role in the synthesis of various colorants. The compound's ability to form stable dye structures makes it an essential building block in producing dyes with desired hues and properties. Its application extends to textiles, where it contributes to the creation of vibrant and long-lasting colors in fabrics and fibers.

In addition to its use in dye chemistry, 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate finds application in material science. It is employed in the development of specialty polymers and coatings. The compound's chemical reactivity allows for the creation of materials with specific characteristics, such as enhanced durability and resistance to environmental factors. These materials are used in various applications, including protective coatings and advanced composite materials.

Furthermore, this compound has applications in the field of analytical chemistry. It serves as a reagent in specific chemical assays and tests, where its unique chemical properties enable the detection and quantification of other substances. Its role as a reagent highlights its versatility and importance in analytical methods, contributing to advancements in chemical analysis and quality control.

The ongoing research into 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate continues to explore its potential applications and optimize its use in various industries. Scientists are investigating ways to improve its performance and expand its utility, aiming to enhance its role in both industrial and research settings.

In summary, 4-(N-Ethyl-N-2-hydroxyethyl)-2-methylphenylenediamine sulfate is a significant compound with a range of applications in dye chemistry, material science, and analytical chemistry. Its unique chemical properties make it a valuable substance for producing dyes, developing specialized materials, and conducting chemical analyses.

References

1997. Contact and Occupational Dermatology, 2nd Ed. St. Louis: Mosby.