Description

5-Ethynyl-2-Thiophenecarbaldehyde 2,4-Dinitrophenyl Hydrazone is a specialized organic compound primarily used as a key intermediate and analytical reagent. This compound matters for its role in the synthesis of complex heterocyclic systems and as a chromogenic derivatization agent for carbonyl detection. It is needed by researchers and manufacturers in the fields of pharmaceutical development, materials science, and analytical chemistry for creating novel molecules and conducting precise chemical analyses.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly those containing thiophene and acetylene functional groups.
• Analytical Chemistry Reagent: Used as a derivatizing agent for the detection, identification, and quantification of aldehydes and ketones via formation of colored hydrazones.
• Materials Science Research: Acts as a precursor for the development of advanced organic electronic materials, such as conductive polymers and organic semiconductors.
• Chemical Synthesis: Employed in organic synthesis for constructing complex molecular architectures, including heterocyclic compounds and functionalized polymers.
• Academic & Industrial R&D: Utilized in research laboratories for method development, mechanistic studies, and exploring new chemical reactions.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized dyes and pigments due to the chromophoric 2,4-dinitrophenyl group.

Basic Information

Item	Details
Product Name	5-Ethynyl-2-Thiophenecarbaldehyde 2,4-Dinitrophenyl Hydrazone
CAS No.	56588-21-7
Molecular Formula	C14H8N4O4S
Molecular Weight	328.30 g/mol
Synonyms	5-Ethynylthiophene-2-carboxaldehyde 2,4-dinitrophenylhydrazone; 2-Thiophenecarboxaldehyde, 5-ethynyl-, 2-(2,4-dinitrophenyl)hydrazone; 5-Ethynyl-2-thiophenecarboxaldehyde 2,4-DNPH; 5-Ethynylthiophene-2-carbaldehyde 2,4-DNPH; DNPH derivative of 5-ethynyl-2-thiophenecarbaldehyde; (5-Ethynylthiophen-2-yl)methanal 2,4-dinitrophenylhydrazone
EINECS	Contact for details

Quality Control

Our 5-Ethynyl-2-Thiophenecarbaldehyde 2,4-Dinitrophenyl Hydrazone undergoes rigorous quality testing to ensure compliance with industry standards. We employ advanced analytical techniques including HPLC, NMR, and mass spectrometry to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Orange to red crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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