4,5-Dichlorophthalic Anhydride - ≥98%(T) , CAS No.942-06-3

CAS: 942-06-3 Cat. No.: D154463 Molecular Weight: 217 Beilstein Registry Number: 17483 EC Number: 213-386-2
AVAILABLE TO ORDER
GRADE & PURITY ≥98%(T)
Synonyms
AKOS000281368 | SCHEMBL79833 | 4,5-Dichlorophthalic Acid, Anhydride | 4,5-Dichlorophthalic anhydride, 98% | EN300-60238 | 5,6-dichloroisobenzofuran-1,3-dione | 5,6-Dichloro-2-benzofuran-1,3-dione # | C8H2Cl2O3 | 4,5-Dichlorophthalic anhydride | 4.5-dichlo
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
D154463-1g
10
$24.90
5g
D154463-5g
8
$87.90
10g
D154463-10g
3
$165.90
25g
D154463-25g
2
$352.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
AKOS000281368 | SCHEMBL79833 | 4, 5-Dichlorophthalic Acid, Anhydride | 4, 5-Dichlorophthalic anhydride, 98% | EN300-60238 | 5, 6-dichloroisobenzofuran-1, 3-dione | 5, 6-Dichloro-2-benzofuran-1, 3-dione # | C8H2Cl2O3 | 4, 5-Dichlorophthalic anhydride | 4.5-dichlo
Specifications & Purity
≥98%(T)
Storage
Room temperature
Shipped In
Normal
Purity
≥98%(T)
Names and Identifiers
Pubchem Sid488184525
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488184525
Canonical SmilesC1=C2C(=CC(=C1Cl)Cl)C(=O)OC2=O
IUPAC Name5,6-dichloro-2-benzofuran-1,3-dione
InChIKeyULSOWUBMELTORB-UHFFFAOYSA-N
INCHI1S/C8H2Cl2O3/c9-5-1-3-4(2-6(5)10)8(12)13-7(3)11/h1-2H
Isomeric SMILES C1=C2C(=CC(=C1Cl)Cl)C(=O)OC2=O
Molecular Weight 217
Beilstein 17483
Reaxy-Rn 151608
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=151608&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentPhthalic anhydrides
Alternative Parents Isobenzofuranones  Dicarboxylic acids and derivatives  Benzenoids  Aryl chlorides  Carboxylic acid anhydrides  Oxacyclic compounds  Organooxygen compounds  Organochlorides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Aryl chloride - Aryl halide - Dicarboxylic acid or derivatives - Benzenoid - Carboxylic acid anhydride - Carboxylic acid derivative - Oxacycle - Organohalogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organochloride - Organooxygen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as phthalic anhydrides. These are compounds containing a phthalic anhydride moiety (or a derivative thereof), which consists of a benzene fused to a furan-1,3-dione.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

10 results found

Lot NumberCertificate TypeDateItem
F2123140Certificate of AnalysisApr 03, 2025 D154463
E2025020Certificate of AnalysisMar 08, 2024 D154463
C2511158Certificate of AnalysisMar 08, 2024 D154463
C2511159Certificate of AnalysisMar 08, 2024 D154463
D23261366Certificate of AnalysisApr 12, 2023 D154463
D23261367Certificate of AnalysisApr 12, 2023 D154463
D23261368Certificate of AnalysisApr 12, 2023 D154463
D23261374Certificate of AnalysisApr 12, 2023 D154463
D23261377Certificate of AnalysisApr 12, 2023 D154463
D23261379Certificate of AnalysisApr 12, 2023 D154463
Chemical and Physical Properties
SolubilitySoluble in Toluene
SensitivityMoisture Sensitive
Boil Point(°C)313°C
Melt Point(°C)186-189°C
Molecular Weight217.000 g/mol
XLogP32.500
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass215.938 Da
Monoisotopic Mass215.938 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count13
Formal Charge0
Complexity240.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Documents & Articles
Solution Calculators
Reviews

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