Terephthalaldehyde Mono(diethyl Acetal) - ≥97%(GC) , CAS No.81172-89-6

CAS: 81172-89-6 Cat. No.: T162650 Molecular Weight: 208.26 Beilstein Registry Number: 4293870 EC Number: 676-828-7 PubChem CID: 595993
AVAILABLE TO ORDER
GRADE & PURITY ≥97%(GC)
Synonyms
Benzaldehyde, 4-(diethoxymethyl)- | AKOS015838696 | F2191-0157 | Terephthaldialdehyde monodiethyl acetal | A840058 | EN300-1717699 | 4-(diethyoxymethyl)benzaldehyde | AMY7756 | STL183315 | FT-0616742 | 4-(diethoxymethy)benzaldehyde | Terephthalaldehyde Mo
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
T162650-1g
3

$14.90

$22.90
Save $8.00 (34.93%)
5g
T162650-5g
2

$38.90

$58.90
Save $20.00 (33.96%)
25g
T162650-25g
3

$151.90

$227.90
Save $76.00 (33.35%)
100g
T162650-100g
3

$454.90

$682.90
Save $228.00 (33.39%)
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Why this grade

≥97%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged 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
Benzaldehyde, 4-(diethoxymethyl)- | AKOS015838696 | F2191-0157 | Terephthaldialdehyde monodiethyl acetal | A840058 | EN300-1717699 | 4-(diethyoxymethyl)benzaldehyde | AMY7756 | STL183315 | FT-0616742 | 4-(diethoxymethy)benzaldehyde | Terephthalaldehyde Mo
Specifications & Purity
≥97%(GC)
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%(GC)
Names and Identifiers
Pubchem Sid504759437
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504759437
Canonical SmilesCCOC(C1=CC=C(C=C1)C=O)OCC
IUPAC Name4-(diethoxymethyl)benzaldehyde
InChIKeyHTMXMFARWHNJDW-UHFFFAOYSA-N
INCHI1S/C12H16O3/c1-3-14-12(15-4-2)11-7-5-10(9-13)6-8-11/h5-9,12H,3-4H2,1-2H3
Isomeric SMILES CCOC(C1=CC=C(C=C1)C=O)OCC
WGK Germany 3
PubChem CID 595993
Molecular Weight 208.26
Beilstein 4293870
Reaxy-Rn 4293872

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
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzylethers
Intermediate Tree Nodes Not available
Direct ParentBenzylethers
Alternative Parents Benzoyl derivatives  Benzaldehydes  Acetals  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzylether - Benzoyl - Benzaldehyde - Aryl-aldehyde - Acetal - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Aldehyde - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzylethers. These are aromatic ethers with the general formula ROCR' (R = alkyl, aryl; R'=benzene).
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.

12 results found

Lot NumberCertificate TypeDateItem
F2625012Certificate of AnalysisJul 02, 2026 T162650
E2612020Certificate of AnalysisMay 18, 2026 T162650
I2208875Certificate of AnalysisJun 10, 2025 T162650
I2208876Certificate of AnalysisJun 10, 2025 T162650
A2219405Certificate of AnalysisNov 08, 2024 T162650
A2219415Certificate of AnalysisNov 04, 2024 T162650
A2219416Certificate of AnalysisNov 04, 2024 T162650
A2219421Certificate of AnalysisNov 04, 2024 T162650
D2020130Certificate of AnalysisFeb 08, 2023 T162650
C2528293Certificate of AnalysisJul 01, 2022 T162650
I2208877Certificate of AnalysisJul 01, 2022 T162650
I2429028Certificate of AnalysisDec 13, 2021 T162650

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Chemical and Physical Properties
Solubilitysoluble in alcohol, chlorinated solvents and toluene. Decomposes in water.
Sensitivityair sensitive
Refractive Index1.51
Flash Point(°F)>235.4 °F
Flash Point(°C)>113 °C
Boil Point(°C)89-93°C/7mmHg
Molecular Weight208.250 g/mol
XLogP31.800
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count6
Exact Mass208.11 Da
Monoisotopic Mass208.11 Da
Topological Polar Surface Area35.500 Ų
Heavy Atom Count15
Formal Charge0
Complexity168.000
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
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