Products 85-44-9

CAS 85-44-9 appears in our catalog under these names: Phthalic anhydride, 95%, Phthalic Anhydride, Phthalic Anhydride (May Contain Up To 15% Of Phthalic Acid), Phthalic Anhydride, >95% (HPLC), Phthalic anhydride, ACS, 99.0-100.2% . Offered by: Combi-blocks, Chemat Brand, TRC, Dr. Ehrenstorfer, Thermo Scientific (Alfa Aesar). Available pack sizes: 100g, 1kg, 500g, 25g, 5g, on request, 10g, 50g.

Phthalic anhydride, 95%
Combi-blocks
  • size: 100g, 1kg, 500g, 25g
  • Variants: 5
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Phthalic Anhydride
Chemat Brand, Dr. Ehrenstorfer, Biosynth
  • size: on request, 250mg, 1kg, 2kg
  • Variants: 10
from 154.13
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Phthalic Anhydride (May Contain Up To 15% Of Phthalic Acid)
TRC
  • size: 100g, 10g, 50g
  • Variants: 3
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Phthalic Anhydride, >95% (HPLC)
TRC
  • size: 100g, 10g
  • Variants: 2
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Phthalic anhydride, ACS, 99.0-100.2%
Thermo Scientific (Alfa Aesar)
  • size: 500g, 2.5kg
  • Variants: 2
from 340.32
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Phthalic anhydride, 99%
Thermo Scientific (Alfa Aesar), Thermo Scientific (Acros)
  • size: 1000g, 5000g, 250g, 1KG
  • Variants: 7
from 96.66
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Phthalic anhydride, 99.00%
Chemat
  • size: 100g, 250g
  • Variants: 2
from 229.49
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Phthalic Anhydride, >98.0%(GC)(T)
TCI
  • size: 500g
  • Variants: 1
from 247.68
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Phthalic anhydride, ACS reagent
Thermo Scientific (Acros)
  • size: 2KG, 5KG, 500g
  • Variants: 3
from 244.55
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bezwodnik kwasu ftalowego cz
Chempur
  • size: 25g, 50g, 100g, 250g
  • Variants: 6
from 34.01
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bezwodnik kwasu ftalowego czda
Chempur
  • size: 10g, 25g, 50g, 100g
  • Variants: 7
from 29.84
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PHTHALIC ANHYDRIDE, ANHYDROUS, FREE-&
Sigma-Aldrich
  • size: 500G
  • Variants: 1
from 344.00
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PHTHALIC ANHYDRIDE, REAGENTPLUS, 99%
Sigma-Aldrich
  • size: 16KG
  • Variants: 1
from 2627.00
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PHTHALIC ANHYDRIDE, REAGENTPLUS, 99%
Sigma-Aldrich
  • size: 1KG, 2.5KG
  • Variants: 2
from 231.00
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PHTHALIC ANHYDRIDE, 99+%, A.C.S. REAGENT
Sigma-Aldrich
  • size: 2.5KG, 25G, 500G
  • Variants: 3
from 203.00
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Phthalic anhydride, min. 98 %, for synthesis, 250 g, plastic
Roth
  • size: 250g
  • Variants: 1
from 77.87
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Phthalic anhydride, min. 98 %, for synthesis, 1 kg, plastic
Roth
  • size: 1kg
  • Variants: 1
from 181.70
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Phthalic anhydride, min. 98 %, for synthesis, 2.5 kg, plastic
Roth
  • size: 2,5kg
  • Variants: 1
from 365.77
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Structural formula: {0} (CAS {1})

Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. It has a role as an allergen. It is a cyclic dicarboxylic anhydride and a member of 2-benzofurans.

Source: ChEBI

Identity
Molecular formulaC8H4O3
Molecular weight148.11 g/mol
IUPAC name2-benzofuran-1,3-dione
InChIKeyLGRFSURHDFAFJT-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)OC2=O

Computed by PubChem (NCBI)

Synonyms: PHTHALIC ANHYDRIDE, 1,3-Isobenzofurandione, 2-Benzofuran-1,3-dione, Phthalandione, Retarder esen, 1,3-Dioxophthalan, 1,3-Phthalandione, Phthalic acid anhydride, Retarder AK, Retarder PD
Isomers (same molecular formula)
1-benzofuran-2,3-dione C8H4O3