Description

(E)-But-2-En-1-Amine CAS NO 21035-54-1 is a high-purity, unsaturated primary amine characterized by its distinct (E)-configuration around the carbon-carbon double bond. This compound serves as a versatile and reactive building block in advanced organic synthesis, offering a unique combination of nucleophilicity and an electron-rich alkene moiety. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise chiral intermediates for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring specific stereochemistry.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and insecticides that leverage its amine functionality for bioactivity.
• Ligand and Catalyst Preparation: Used in the development of nitrogen-containing ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Polymer Modification: Serves as a functional monomer or cross-linking agent for producing specialty polymers with amine groups.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new reaction pathways, including cycloadditions and conjugate additions.
• Fine Chemical Production: Intermediate in the manufacture of dyes, flavors, and other complex organic molecules.

Basic Information

Product Name	(E)-But-2-En-1-Amine
CAS No.	21035-54-1
Molecular Formula	C4H9N
Molecular Weight	71.12 g/mol
Synonyms	(E)-2-Buten-1-amine; trans-2-Buten-1-amine; (E)-But-2-enylamine; trans-Crotylamine; (E)-Crotylamine; 2-Buten-1-amine, (E)-; 1-Amino-2-butene (trans); UNII-9G8B6S8K1F
EINECS	244-173-1

Quality Control

Our (E)-But-2-En-1-Amine is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is a strong base and should be kept away from strong acids and oxidizing agents. Due to its reactivity, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability and to minimize risk of degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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