4,5-Dimethylphthalic acid - ≥98% , CAS No.5680-10-4

CAS: 5680-10-4 Cat. No.: D589508 Formula: C10H10O4 Molecular Weight: 194.18
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
MFCD20617334 | BS-45401 | DTXSID90448033 | 4,5-Dimethyl-phthalicacid | starbld0000698 | 1,2-Benzenedicarboxylic acid, 4,5-dimethyl- | 4,5-dimethylphthalic Acid | 4,5-Dimethyl-phthalic acid | F74500 | SCHEMBL235710
Storage
Store at 2-8°C,Desiccated
Shipped In
Wet ice
★
Size
Germany (EU)
USA*
Price
Qty
250mg
D589508-250mg
—
2 In stock

€29.42

€44.17
Save €14.75 (33.40%)
1g
D589508-1g
—
1 In stock

€79.75

€119.66
Save €39.92 (33.36%)
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

Store at 2-8°C,Desiccated Ships Wet ice Check lot-specific COA for exact specifications.

📋

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
MFCD20617334 | BS-45401 | DTXSID90448033 | 4,5-Dimethyl-phthalicacid | starbld0000698 | 1,2-Benzenedicarboxylic acid, 4,5-dimethyl- | 4,5-dimethylphthalic Acid | 4,5-Dimethyl-phthalic acid | F74500 | SCHEMBL235710
Specifications & Purity
≥98%
Storage
Store at 2-8°C,Desiccated
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504765718
Canonical Smiles
CC1=CC(=C(C=C1C)C(=O)O)C(=O)O
IUPAC Name
4,5-dimethylphthalic acid
InChIKey
FLLRBCSVUAPCKX-UHFFFAOYSA-N
INCHI
1S/C10H10O4/c1-5-3-7(9(11)12)8(10(13)14)4-6(5)2/h3-4H,1-2H3,(H,11,12)(H,13,14)
Isomeric SMILES
CC1=CC(=C(C=C1C)C(=O)O)C(=O)O
Molecular Weight
194.18
Reaxy-Rn
2049407
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2049407&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.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzoic acids and derivatives
Intermediate Tree Nodes Not available
Direct ParentBenzoic acids
Alternative Parents o-Xylenes  Benzoyl derivatives  Carboxylic acids  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzoic acid - O-xylene - Xylene - Benzoyl - Carboxylic acid - Carboxylic acid derivative - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzoic acids. These are organic Compounds containing a benzene ring which bears at least one carboxyl group.
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.

6 results found

Lot NumberCertificate TypeDateItem
J2327487Certificate of AnalysisAug 04, 2026 D589508
J2327733Certificate of AnalysisAug 04, 2026 D589508
J2327734Certificate of AnalysisAug 04, 2026 D589508
D2515624Certificate of AnalysisMar 28, 2025 D589508
D2527475Certificate of AnalysisMar 28, 2025 D589508
J2327745Certificate of AnalysisSep 14, 2023 D589508
Chemical and Physical Properties
Molecular Weight194.180 g/mol
XLogP31.700
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass194.058 Da
Monoisotopic Mass194.058 Da
Topological Polar Surface Area74.600 Ų
Heavy Atom Count14
Formal Charge0
Complexity223.000
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
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