4-(1-Propynyl)phthalic Anhydride - ≥98% , CAS No.1240685-26-0

CAS: 1240685-26-0 Cat. No.: P160201 Molecular Weight: 186.17 EC Number: 695-094-9 PubChem CID: 21339433
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
4-(Methylethynyl)phthalic Anhydride | A907029 | DTXSID301338043 | E78971 | SCHEMBL2126775 | 4-(1-Propynyl)phthalicAnhydride | LBTIDDCTPLEEAG-UHFFFAOYSA-N | 1240685-26-0 | 4-(1-Propynyl)phthalic Anhydride | 5-(prop-1-yn-1-yl)isobenzofuran-1,3-dione | MFCD2
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
P160201-1g
2
$39.90
5g
P160201-5g
1
$139.90
Enter a quantity for the sizes you want to add.
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Why this grade

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

🌡

Storage & shipping

Argon charged,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.

📚

Literature proof

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

Specifications

Synonyms
4-(Methylethynyl)phthalic Anhydride | A907029 | DTXSID301338043 | E78971 | SCHEMBL2126775 | 4-(1-Propynyl)phthalicAnhydride | LBTIDDCTPLEEAG-UHFFFAOYSA-N | 1240685-26-0 | 4-(1-Propynyl)phthalic Anhydride | 5-(prop-1-yn-1-yl)isobenzofuran-1, 3-dione | MFCD2
Specifications & Purity
≥98%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504768988
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504768988
Canonical SmilesCC#CC1=CC2=C(C=C1)C(=O)OC2=O
IUPAC Name5-prop-1-ynyl-2-benzofuran-1,3-dione
InChIKeyLBTIDDCTPLEEAG-UHFFFAOYSA-N
INCHI1S/C11H6O3/c1-2-3-7-4-5-8-9(6-7)11(13)14-10(8)12/h4-6H,1H3
Isomeric SMILES CC#CC1=CC2=C(C=C1)C(=O)OC2=O
PubChem CID 21339433
Molecular Weight 186.17
Reaxy-Rn 22416789

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.

View spec sheet →

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  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
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





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.

4 results found

Lot NumberCertificate TypeDateItem
A2511006Certificate of AnalysisDec 30, 2024 P160201
L2313173Certificate of AnalysisNov 25, 2023 P160201
L2313174Certificate of AnalysisNov 25, 2023 P160201
L2313175Certificate of AnalysisNov 25, 2023 P160201
Chemical and Physical Properties
SolubilitySoluble in Tetrahydrofuran
SensitivityMoisture Sensitive
Melt Point(°C)115 °C
Molecular Weight186.160 g/mol
XLogP32.100
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass186.032 Da
Monoisotopic Mass186.032 Da
Topological Polar Surface Area43.400 Ų
Heavy Atom Count14
Formal Charge0
Complexity344.000
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
Solution Calculators
Reviews

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