o-Phthalic anhydride - Premium-Grade Reagents, ≥99% , CAS No.85-44-9

CAS: 85-44-9 Cat. No.: P116466 Formula: C8H4O3 Peso molecolare: 148.12 Beilstein Registry Number: 118515 Numero EC: 201-607-5
Disponibile su ordine
GRADE & PURITY Premium-Grade Reagents ? Premium-grade reagents with enhanced purity and tighter QC than standard grades. Use for demanding applications needing extra consistency. ≥99%
Synonyms
CHEBI:36605 | PHTHALIC ANHYDRIDE | Wiltrol P | 1,3-DIOXOPHTHALANE | Anidride ftalica | pthalic anhydride | RCRA waste number U190 | STL194302 | HSDB 4012 | Phthalic anhydride treated gelatin | Phthalic anhydride, ACS reagent, >=99% | 2-Benzofuran-1,3-dion
Storage
Room temperature,Argon charged
Shipped In
FedEx DG Service
★
Size
Germania (EU)
USA*
Price
Qty
100g
P116466-100g
Su ordinazione · 8–12 settimane
11,19€
500g
P116466-500g
Su ordinazione · 8–12 settimane
21,61€
12×500g
P116466-12×500g
Su ordinazione · 8–12 settimane
207,30€
Enter a quantity for the sizes you want to add.
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Why this grade

Premium-Grade Reagents, ≥99% Premium-Grade Reagents for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships FedEx DG Service 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 13 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Panoramica

Product Describtion:

Phthalic anhydride is an industrially important chemical. It can be prepared from o-xylene or naphthalene. It is widely used for the industrial preparation of plasticizers for PVC (polyvinyl chloride).Phthalic anhydride can be synthesized via oxidation of o-xylene, in the presence of V2O5/TiO2 monolithic catalyst supported by aluminium honeycomb.

Specifications

Sinonimi
CHEBI:36605 | PHTHALIC ANHYDRIDE | Wiltrol P | 1,3-DIOXOPHTHALANE | Anidride ftalica | pthalic anhydride | RCRA waste number U190 | STL194302 | HSDB 4012 | Phthalic anhydride treated gelatin | Phthalic anhydride, ACS reagent, >=99% | 2-Benzofuran-1,3-dion
Specifiche e purezza
Premium-Grade Reagents, ≥99%
Condizioni di conservazione di stoccaggio
Room temperature,Argon charged
Spedito in
FedEx DG Service
Grado
Premium-Grade Reagents
Purezza
≥99%
Nomi e identificatori
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488180164
Sorrisi canonici
C1=CC=C2C(=C1)C(=O)OC2=O
IUPAC Name
2-benzofuran-1,3-dione
InChIKey
LGRFSURHDFAFJT-UHFFFAOYSA-N
INCHI
1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
Isomeri SMILES
C1=CC=C2C(=C1)C(=O)OC2=O
WGK Germania
1
RTECS
TI3150000
Numero UN
2214
Gruppo di imballaggio
III
Peso molecolare
148.12
Beilstein
118515
Reaxy-Rn
118515
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=118515&ln=

Documentazione

📋 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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClasseBenzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentPhthalic anhydrides
Alternative Parents Isobenzofuranones  Dicarboxylic acids and derivatives  Benzenoids  Carboxylic acid anhydrides  Oxacyclic compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Phthalic anhydride - Phthalic_anhydride - Isobenzofuranone - Isocoumaran - Benzenoid - Dicarboxylic acid or derivatives - Carboxylic acid anhydride - Oxacycle - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound
DescrizioneThis 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 2-benzofurans - cyclic dicarboxylic anhydride
Struttura 3D
Modello di struttura chimica interattiva





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Meccanismi d'azione
Certificati (CoA, COO, BSE/TSE e tabella di analisi)
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.

54 results found

Lot NumberCertificate TypeDataOggetto
F2602450Certificate of AnalysisMay 20, 2026 P116466
F2602454Certificate of AnalysisMay 20, 2026 P116466
F2602459Certificate of AnalysisMay 20, 2026 P116466
F2602455Certificate of AnalysisMay 20, 2026 P116466
H2612387Certificate of AnalysisMay 20, 2026 P116466
H2612384Certificate of AnalysisMay 20, 2026 P116466
H2612386Certificate of AnalysisMay 20, 2026 P116466
H2612385Certificate of AnalysisMay 20, 2026 P116466
C2619392Certificate of AnalysisJan 13, 2026 P116466
C2602096Certificate of AnalysisJan 13, 2026 P116466
A2613537Certificate of AnalysisJan 05, 2026 P116466
A2613538Certificate of AnalysisJan 05, 2026 P116466
A2613540Certificate of AnalysisJan 05, 2026 P116466
A2613541Certificate of AnalysisJan 05, 2026 P116466
G2515467Certificate of AnalysisJul 04, 2025 P116466
G2515468Certificate of AnalysisJul 04, 2025 P116466
G2515465Certificate of AnalysisJul 04, 2025 P116466
G2515466Certificate of AnalysisJul 04, 2025 P116466
B2508374Certificate of AnalysisJan 17, 2025 P116466
B2508357Certificate of AnalysisJan 17, 2025 P116466
B2508352Certificate of AnalysisJan 17, 2025 P116466
A2510376Certificate of AnalysisDec 30, 2024 P116466
A2111081Certificate of AnalysisNov 13, 2024 P116466
J2415553Certificate of AnalysisSep 20, 2024 P116466
J2415593Certificate of AnalysisSep 20, 2024 P116466
J2415596Certificate of AnalysisSep 20, 2024 P116466
H2402421Certificate of AnalysisJul 12, 2024 P116466
H2402420Certificate of AnalysisJul 12, 2024 P116466
H2402418Certificate of AnalysisJul 12, 2024 P116466
H2402423Certificate of AnalysisJul 12, 2024 P116466
D2411345Certificate of AnalysisMar 22, 2024 P116466
D2411343Certificate of AnalysisMar 22, 2024 P116466
D2411341Certificate of AnalysisMar 22, 2024 P116466
L2325057Certificate of AnalysisFeb 22, 2023 P116466
C2303953Certificate of AnalysisFeb 22, 2023 P116466
C23031221Certificate of AnalysisFeb 22, 2023 P116466
C23031219Certificate of AnalysisFeb 22, 2023 P116466
C23031213Certificate of AnalysisFeb 22, 2023 P116466
K2317034Certificate of AnalysisSep 13, 2022 P116466
J2210684Certificate of AnalysisSep 13, 2022 P116466
J2210683Certificate of AnalysisSep 13, 2022 P116466
J2210682Certificate of AnalysisSep 13, 2022 P116466
F2201136Certificate of AnalysisMar 15, 2022 P116466
I2206044Certificate of AnalysisMar 15, 2022 P116466
I2208476Certificate of AnalysisMar 15, 2022 P116466
H2328065Certificate of AnalysisMar 15, 2022 P116466
B2314203Certificate of AnalysisMar 15, 2022 P116466
F2201135Certificate of AnalysisMar 15, 2022 P116466
F2201138Certificate of AnalysisMar 15, 2022 P116466
F2201140Certificate of AnalysisMar 15, 2022 P116466
A2220456Certificate of AnalysisJan 07, 2022 P116466
A2220389Certificate of AnalysisJan 07, 2022 P116466
A2220302Certificate of AnalysisJan 07, 2022 P116466
A2220300Certificate of AnalysisJan 07, 2022 P116466
Proprietà chimiche e fisiche
SolubilitàSoluble in water, carbon disulfide, ethanol, acetone and benzene. Slightly soluble in ethyl ether
SensibilitàMoisture sensitive.
Punto di infiammabilità (°F)305.6 °F
Punto di infiammabilità (°C)152 °C
Punto di ebollizione (°C)295°C
Punto di fusione (°C)130.8°C
Peso molecolare148.110 g/mol
XLogP31.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count0
Exact Mass148.016 Da
Monoisotopic Mass148.016 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count11
Formal Charge0
Complexity187.000
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
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Citations of This Product
Calcolatori di soluzioni
Recensioni

Recensioni dei clienti

Domande frequenti

What is the purity of this product?
This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
What does Premium-Grade Reagents mean?
Premium-Grade Reagents is a defined analytical purity tier suitable for general analytical and reagent applications. It specifies a minimum assay percentage, controlled limits on common impurities (water, heavy metals, residue on ignition), and lot-to-lot consistency. Premium-Grade Reagents is one of several purity tiers — choose based on the sensitivity and regulatory requirements of your method.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product is classified as dangerous goods and ships via FedEx DG Service. Ground and other economy services are not available, and delivery to some destinations or address types may be restricted.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 85-44-9, the molecular formula is C8H4O3, and the molecular weight is 148.12 g/mol. InChIKey LGRFSURHDFAFJT-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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