CAS 942-06-3

4,5-Dichlorophthalic anhydride

Description:

4,5-Dichlorophthalic anhydride, with the CAS number 942-06-3, is a chemical compound characterized by its anhydride functional group derived from phthalic acid. It appears as a white to light yellow crystalline solid and is known for its high reactivity, particularly in the presence of nucleophiles. This compound is primarily used in the synthesis of various polymers, resins, and as an intermediate in organic synthesis. It exhibits moderate solubility in organic solvents such as acetone and chloroform but is generally insoluble in water. The presence of chlorine atoms in its structure enhances its electrophilic properties, making it useful in chemical reactions such as acylation and esterification. Additionally, 4,5-Dichlorophthalic anhydride can be hazardous, necessitating proper handling and safety precautions due to its potential irritant effects on skin and respiratory pathways. Its applications extend to the production of specialty chemicals and materials, highlighting its significance in industrial chemistry.

Formula: C₈H₂Cl₂O₃

InChI: InChI=1/C8H2Cl2O3/c9-5-1-3-4(2-6(5)10)8(12)13-7(3)11/h1-2H

InChI key: InChIKey=ULSOWUBMELTORB-UHFFFAOYSA-N

SMILES: O=C1C=2C(C(=O)O1)=CC(Cl)=C(Cl)C2

Synonyms:

• 1,3-Isobenzofurandione, 5,6-dichloro-
• 5,6-Dichloro-1,3-isobenzofurandione
• 5,6-Dichloro-2-Benzofuran-1,3-Dione
• Phthalic anhydride, 4,5-dichloro-
• 4,5-Dichlorophthalic anhydride
• 5,6-DICHLORO-1,3-DIHYDROISOBENZOFURAN-1,3-DIONE
• 4,5-DICHLOROPHTHALIC ANHYDRIDE 98+%
• AKOS 92355
• 5,6-Dichloroisobenzofuran-1,3(1H,3H)-dione

4,5-Dichlorophthalic Anhydride

CAS: 942-06-3

Formula: C₈H₂Cl₂O₃

Purity: >98.0%(GC)(T)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 217.00

Ref: 3B-D2335

5,6-dichloroisobenzofuran-1,3-dione

CAS: 942-06-3

Formula: C₈H₂Cl₂O₃

Purity: 97%

Color and Shape: Solid

Molecular weight: 217.0057

Ref: IN-DA003M9R

5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione

CAS: 942-06-3

5,6-dichloro-1,3-dihydroisobenzofuran-1,3-dione

Purity: 99%

Color and Shape: Powder

Molecular weight: 217.00568g/mol

Ref: 54-OR26822

4,5-Dichlorophthalic Anhydride

Controlled Product

CAS: 942-06-3

Stability Moisture Sensitive
Applications 4,5-Dichlorophthalic anhydride

Formula: C₈H₂Cl₂O₃

Color and Shape: Neat

Molecular weight: 217.01

Ref: TR-D473963

5,6-Dichloroisobenzofuran-1,3-dione

CAS: 942-06-3

Formula: C₈H₂Cl₂O₃

Purity: 97%

Color and Shape: Solid, White to almost white powder

Molecular weight: 217

Ref: 10-F243086