CAS 935-79-5

cis-1,2,3,6-Tetrahydrophthalic anhydride

Description:

Cis-1,2,3,6-Tetrahydrophthalic anhydride, with the CAS number 935-79-5, is a cyclic anhydride derived from tetrahydrophthalic acid. It is characterized by its colorless to pale yellow appearance and is typically a solid at room temperature. This compound features a five-membered anhydride ring, which contributes to its reactivity, particularly in the formation of polyesters and as a hardener in epoxy resins. It is known for its low volatility and moderate solubility in organic solvents, making it useful in various industrial applications. The substance exhibits good thermal stability and is often employed in the production of coatings, adhesives, and composite materials. Additionally, it can undergo hydrolysis to form tetrahydrophthalic acid in the presence of moisture. Safety considerations include handling it with care, as it may cause irritation to the skin and eyes. Overall, cis-1,2,3,6-Tetrahydrophthalic anhydride is valued for its utility in polymer chemistry and materials science.

Formula: C₈H₈O₃

InChI: InChI=1/C8H8O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1,3,5-6H,2,4H2

InChI key: InChIKey=KMOUUZVZFBCRAM-OLQVQODUNA-N

SMILES: O=C1[C@@]2([C@](C(=O)O1)(CC=CC2)[H])[H]

Synonyms:

• 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, (3aR,7aS)-rel-
• 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-, cis-
• 3,4,5,6-Tetrahydrophthalic anhydride
• 4-Cyclohexene-1,2-dicarboxylic anhydride, cis-
• NSC 49672
• Thpa
• Tmma
• cis-1,2,3,6-Tetrahydrophthalic acid anhydride
• cis-4-Cyclohexene-1,2-dicarboxylic acid anhydride
• cis-4-Cyclohexene-1,2-dicarboxylic anhydride
• cis-Δ⁴-Tetrahydrophthalic anhydride
• meso-1,2,3,6-Tetrahydrophthalic anhydride
• rel-(3aR,7aS)-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione
• cis-1,2,3,6-Tetrahydrophthalic anhydride
• 1,2,3,6-Tetrahydrophthalic anhydride
• Cis-1,2,3,6-Tetrahydrophthalic
• CIS-4-CYCLOHEXEN-1,2-DIMETHANOIC ANHYDRIDE
• 4,7,7a-tetrahydro-3-isobenzofurandioncis-3a
• cis-3a,4,7,7a-Tetrahydro-1,3-isobenzofurandione
• 4-CYCLOHEXENE-1,2-DICARBOXYLIC ANHYDRIDE
• cis-1,2,3,6-Tetrahydrophthalic anhydride (THPA)
• 1,3-isobenzofurandion,3a,4,7,7a-tetrahydro-,cis-
• 3-Isobenzofurandione,3a,4,7,7a-tetrahydro-,cis-1
• TETRAHYDROPHTHALIC ANHYDRIDE
• #ncis-1,2,3,6-Tetrahydrophthalic anhydride
• CIS-THPA
• CIS-DELTA4-TETRAHYDROPHTHALIC ANHYDRIDE
• CIS-4-TETRAHYDROPHTHALIC ANHYDRIDE
• CIS-1,2,3,6-TETRAHYDROPHTHALICACIDANHYDRIDE
• 3A,4,7,7A-TETRAHYDRO-2-BENZOFURAN-1,3-DIONE

cis-4-Cyclohexene-1,2-dicarboxylic Anhydride

CAS: 85-43-8, 935-79-5

Formula: C₈H₈O₃

Purity: >98.0%(GC)(T)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 152.15

Ref: 3B-C0493

cis-4-Cyclohexene-1,2-dicarboxylic anhydride, 95%

CAS: 935-79-5

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₈H₈O₃

Purity: 95%

Color and Shape: White, Flakes

Molecular weight: 152.15

Ref: 02-B21431

(3aR,7aS)-1,3,3a,4,7,7a-hexahydro-2-benzofuran-1,3-dione

CAS: 935-79-5

Formula: C₈H₈O₃

Purity: 95%

Color and Shape: Solid

Molecular weight: 152.1473

Ref: IN-DA003DAH

cis-1,2,3,6-Tetrahydrophthalic anhydride

CAS: 935-79-5

Formula: C₈H₈O₃

Purity: 98%

Color and Shape: Solid

Molecular weight: 152.149

Ref: 10-F171700

Cis-1,2,3,6-tetrahydrophthalic anhydride

CAS: 935-79-5

Cis-1,2,3,6-tetrahydrophthalic anhydride

Purity: 98%

Molecular weight: 152.15g/mol

Ref: 54-OR925364

cis-1,2,3,6-Tetrahydrophthalic Anhydride

Controlled Product

CAS: 935-79-5

Applications cis-1,2,3,6-Tetrahydrophthalic Anhydride is used as a reagent in the synthesis of bicyclic lactones and lactams which have fungistatic activity against Botrytis cinerea, Penicillium citrinum and Aspergillus glaucus.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Walczak, P., et al.: J. Agr. Food Chem., 62, 8571 (2014)

Formula: C₈H₈O₃

Color and Shape: Neat

Molecular weight: 158.18

Ref: TR-T294225

cis-1,2,3,6-Tetrahydrophthalic anhydride

Controlled Product

CAS: 935-79-5

Cis-1,2,3,6-Tetrahydrophthalic anhydride is a reactive monomer that has been used in the Friedel-Crafts acylation of aromatic compounds. It can be used to synthesize a variety of polymers that are resistant to heat and light. Cis-1,2,3,6-Tetrahydrophthalic anhydride is also a strong antioxidant that has been shown to have antibacterial properties. It has been reported to have anticarcinogenic effects in some cancer cell lines. Cis-1,2,3,6-Tetrahydrophthalic anhydride is found in cyclohexane ring fatty acids and fatty acid groups P2.

Formula: C₈H₈O₃

Color and Shape: White Powder

Molecular weight: 152.15 g/mol

Ref: 3D-FT34414