Acrylic Anhydride

Basic Information

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CAS Number

2051-76-5

Molecular Formula

C6H6O3

Molecular Weight

126.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Physical Properties

Boiling Point

85-86°C 17mm

Flash Point

77°C

SMILES

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C=CC(=O)OC(=O)C=C

InChI

InChI=1S/C6H6O3/c1-3-5(7)9-6(8)4-2/h3-4H,1-2H2

InChIKey

ARJOQCYCJMAIFR-UHFFFAOYSA-N

LogP

0.4281999999999999

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

140

Safety Information

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Hazard Class

Class 8 Class 8

Synonyms & References

English

SCHEMBL1433395
Acrylic acid anhydride
A814633
UNII-M4BYS5VWG3
M4BYS5VWG3
2-Propenoic acid, 1,1'-anhydride
SCHEMBL278164
SY129262
prop-2-enoic anhydride
SCHEMBL12103060
FT-0658651
NSC-32616
MFCD00048146
EINECS 218-128-2
NS00045747
Acrylic anhydride
NSC32616
AS-49546
Acrylic anhydride min. 90%
AKOS006345449
2051-76-5
NSC 32616
I11488
CS-0119936
prop-2-enoyl prop-2-enoate
2-Propenoic acid, anhydride
61932-59-0
Acryloxide
AMY40703
acrylic anhydride (stabl. with 10% 4-methoxyphenol)
DTXSID70942685

MDL Number

MFCD00048146

Customs Code

2916190090

FAQ

What are the physical and chemical properties of Acrylic Anhydride (CAS: 2051-76-5)?

Acrylic anhydride (CAS: 2051-76-5) is a colorless, crystalline solid with a molecular weight of approximately 120.12 g/mol. It is soluble in common organic solvents like acetone, ethanol, and dichloromethane. Chemically, it is highly reactive, particularly with amines and alcohols, making it useful for various chemical reactions. It has a melting point of approximately 46-48°C and a boiling point of about 120°C.

How is Acrylic Anhydride (CAS: 2051-76-5) typically synthesized?

Acrylic anhydride (CAS: 2051-76-5) is typically synthesized by the dehydration of acrylic acid using a dehydrating agent such as phosphoric acid or sulfuric acid. The reaction is exothermic, and the yield is generally high, with selectivity towards the anhydride form. The process is usually conducted at elevated temperatures to ensure the dehydration reaction proceeds efficiently.

What industries use Acrylic Anhydride (CAS: 2051-76-5)?

Acrylic anhydride (CAS: 2051-76-5) is widely used in the pharmaceuticals, polymers, and coatings industries due to its reactivity and ability to form functional groups. It is also utilized in the production of sensors and semiconductors for its chemical reactivity and stability. Its applications include the synthesis of monomers for polymerization, drug intermediates, and surface treatments.

What precautions should be taken when handling Acrylic Anhydride (CAS: 2051-76-5)?

When handling acrylic anhydride (CAS: 2051-76-5), it is crucial to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Ensure the use of a fume hood to minimize inhalation risks. Spills should be handled carefully using appropriate absorbents, and the area should be well-ventilated. Always refer to a safety data sheet (SDS) for detailed handling and disposal instructions to ensure safe laboratory practice.