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Citraconic Anhydride CAS 616-02-4 High Reactivity Unsaturated Cyclic Monomer for Polymer Modification Research

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Citraconic Anhydride CAS 616-02-4 High Reactivity Unsaturated Cyclic Monomer for Polymer Modification Research

Brand Name:	Xuanming
Model Number:	616-02-4
MOQ:	500g
Price:	20USD
Packaging Details:	drums
Payment Terms:	T/T

Detail Information

Product Description

Detail Information

Place of Origin:

Jiangsu

Chemical Name:

Citraconic Anhydride (CTA)

Molecular Formula:

C₅H₄O₃

Molecular Weight:

112.08

Appearance:

Colorless To Pale Yellow Clear Liquid

Melting Point:

6–7 °C

Boiling Point:

213 °C At Atmospheric Pressure

Supply Ability:

1000kg

Product Description

Citraconic Anhydride CAS 616-02-4 High Reactivity Unsaturated Cyclic Monomer for Polymer Modification Research

Product Overview

Citraconic Anhydride, abbreviated as CTA, is an unsaturated five-membered cyclic anhydride carrying both double bond and anhydride functional groups. Its dual active sites enable addition, esterification and polymerization reactions under mild conditions, delivering excellent structural modification capacity for macromolecular materials. This low-melting compound serves as a versatile intermediate widely applied in organic synthesis routes and functional polymer development.

Product Specification Table

Item	Parameter
CAS Number	616-02-4
Chemical Name	Citraconic Anhydride (CTA)
Molecular Formula	C₅H₄O₃
Molecular Weight	112.08
Appearance	Colorless to pale yellow clear liquid
Melting Point	6–7 °C
Boiling Point	213 °C at atmospheric pressure
Storage Condition	Sealed cool dry environment, protected from moisture

Product Properties

This unsaturated cyclic anhydride appears as transparent liquid under normal room temperature, and crystallizes when stored below 6 °C. It dissolves readily in common polar organic solvents, and decomposes slowly upon contact with water to generate corresponding diacid. The coexisting conjugated double bond and anhydride ring endow the molecule with high reaction activity toward alcohols, amines and olefin monomers. Its rigid ring structure contributes to improved thermal stability and mechanical strength of derived polymer products. Sealed storage under inert atmosphere is recommended to prevent hydrolysis and self-polymerization.

Main Applications

Modification monomer for epoxy resin and unsaturated polyester systems
Intermediate raw material for maleimide and fine organic synthesis
Crosslinking agent for water-soluble polymer and coating resin production
Building block for bicyclic compound and functional material research

Q1: What precautions apply during storage and operation?

A: The compound is susceptible to hydrolysis in humid air and may cause skin irritation. Store in tightly sealed containers under cool dry conditions, and wear proper protective equipment during handling.

Q2: Can supporting analytical documents be provided?

A: Certificate of Analysis, GC purity report and safety data sheet are available upon formal request.

Q3: Does it solidify at low ambient temperature?

A: The product has a melting point around 6–7 °C. It may crystallize during low-temperature storage, and can return to liquid state after gentle warming without affecting performance.

Citraconic Anhydride CAS 616-02-4 High Reactivity Unsaturated Cyclic Monomer for Polymer Modification Research

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Citraconic Anhydride CAS 616-02-4 High Reactivity Unsaturated Cyclic Monomer for Polymer Modification Research