Glyoxylic acid solution - 50% aqueous solution , CAS No.298-12-4

CAS: 298-12-4 Cat. No.: G169372 Formula: C2H2O3 Molecular Weight: 74.04 Beilstein Registry Number: 741891 EC Number: 206-058-5
AVAILABLE TO ORDER
GRADE & PURITY 50% aqueous solution
Synonyms
dioxymethylene formaldehyde | Oxalaldehydic acid
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Germany (EU)*
Price
Qty
25g
G169372-25g
Made to order · 8–12 wks
$9.90
100g
G169372-100g
Made to order · 8–12 wks
$13.90
250g
G169372-250g
1 In stock
—
$17.90
500g
G169372-500g
2 In stock
1 In stock
$23.90
Enter a quantity for the sizes you want to add.
🧪
Why this grade

50% aqueous solution for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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 33 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
dioxymethylene formaldehyde | Oxalaldehydic acid
Specifications & Purity
50% aqueous solution
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504750412
Canonical Smiles
C(=O)C(=O)O
IUPAC Name
oxaldehydic acid
InChIKey
HHLFWLYXYJOTON-UHFFFAOYSA-N
INCHI
1S/C2H2O3/c3-1-2(4)5/h1H,(H,4,5)
Isomeric SMILES
C(=O)C(=O)O
WGK Germany
1
RTECS
MD4550000
UN Number
3265
Packing Group
I
Molecular Weight
74.04
Beilstein
741891
Reaxy-Rn
741891
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=741891&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
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassCarboxylic acids
Intermediate Tree Nodes Not available
Direct ParentCarboxylic acids
Alternative Parents Monocarboxylic acids and derivatives  Short-chain aldehydes  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Monocarboxylic acid or derivatives - Carboxylic acid - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Short-chain aldehyde - Organooxygen compound - Carbonyl group - Aldehyde - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as carboxylic acids. These are compounds containing a carboxylic acid group with the formula -C(=O)OH.
External Descriptors 2-oxo monocarboxylic acid - aldehydic acid
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
SLC16A3 Tchem Monocarboxylate transporter 4 (196 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
dapA Dihydrodipicolinate synthase (65 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

61 results found

Lot NumberCertificate TypeDateItem
F2630575Certificate of AnalysisMay 30, 2026 G169372
F2630582Certificate of AnalysisMay 30, 2026 G169372
F2630583Certificate of AnalysisMay 30, 2026 G169372
F2630584Certificate of AnalysisMay 30, 2026 G169372
F2630585Certificate of AnalysisMay 30, 2026 G169372
D2617476Certificate of AnalysisJan 23, 2026 G169372
D2617477Certificate of AnalysisJan 23, 2026 G169372
D2617478Certificate of AnalysisJan 23, 2026 G169372
D2617479Certificate of AnalysisJan 23, 2026 G169372
D2617480Certificate of AnalysisJan 23, 2026 G169372
B2602377Certificate of AnalysisJan 23, 2026 G169372
B2602376Certificate of AnalysisJan 23, 2026 G169372
B2602372Certificate of AnalysisJan 23, 2026 G169372
B2602370Certificate of AnalysisJan 23, 2026 G169372
I2519386Certificate of AnalysisAug 30, 2025 G169372
I2519387Certificate of AnalysisAug 30, 2025 G169372
L2509021Certificate of AnalysisAug 30, 2025 G169372
G2523307Certificate of AnalysisMar 12, 2025 G169372
G2523308Certificate of AnalysisMar 12, 2025 G169372
G2523312Certificate of AnalysisMar 12, 2025 G169372
G2525539Certificate of AnalysisMar 12, 2025 G169372
G2525540Certificate of AnalysisMar 12, 2025 G169372
D2510548Certificate of AnalysisMar 12, 2025 G169372
D2510547Certificate of AnalysisMar 12, 2025 G169372
D2510546Certificate of AnalysisMar 12, 2025 G169372
D2510545Certificate of AnalysisMar 12, 2025 G169372
K2426731Certificate of AnalysisNov 16, 2024 G169372
K2426729Certificate of AnalysisNov 16, 2024 G169372
K2426727Certificate of AnalysisNov 16, 2024 G169372
K2426725Certificate of AnalysisNov 16, 2024 G169372
K2426723Certificate of AnalysisNov 16, 2024 G169372
K2426535Certificate of AnalysisNov 16, 2024 G169372
I2123246Certificate of AnalysisJul 15, 2024 G169372
I2123248Certificate of AnalysisJul 15, 2024 G169372
I2123249Certificate of AnalysisJul 15, 2024 G169372
D2403273Certificate of AnalysisApr 12, 2024 G169372
D2408304Certificate of AnalysisMar 22, 2024 G169372
D2408305Certificate of AnalysisMar 22, 2024 G169372
C2421441Certificate of AnalysisMar 01, 2024 G169372
C2421440Certificate of AnalysisMar 01, 2024 G169372
C2421431Certificate of AnalysisMar 01, 2024 G169372
C2421388Certificate of AnalysisMar 01, 2024 G169372
K2002091Certificate of AnalysisAug 15, 2023 G169372
E2305159Certificate of AnalysisApr 06, 2023 G169372
E2305171Certificate of AnalysisApr 06, 2023 G169372
E2305148Certificate of AnalysisApr 06, 2023 G169372
E2305156Certificate of AnalysisApr 06, 2023 G169372
E2305194Certificate of AnalysisApr 06, 2023 G169372
C2025118Certificate of AnalysisJan 25, 2023 G169372
I2222018Certificate of AnalysisSep 07, 2022 G169372
I2222019Certificate of AnalysisSep 07, 2022 G169372
I2222020Certificate of AnalysisSep 07, 2022 G169372
I2222023Certificate of AnalysisSep 07, 2022 G169372
I2222017Certificate of AnalysisSep 07, 2022 G169372
A2225006Certificate of AnalysisJan 13, 2022 G169372
A2225007Certificate of AnalysisJan 13, 2022 G169372
B2221251Certificate of AnalysisDec 21, 2021 G169372
B2221243Certificate of AnalysisDec 21, 2021 G169372
B2221235Certificate of AnalysisDec 21, 2021 G169372
B2221232Certificate of AnalysisDec 21, 2021 G169372
B2221231Certificate of AnalysisDec 21, 2021 G169372
Chemical and Physical Properties
SolubilityMiscible with ethanol. Slightly miscible with ether and benzene. Immiscible with esters
Refractive Indexn20/D 1.4149
Boil Point(°C)111 °C
Melt Point(°C)-93 °C
Molecular Weight74.040 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass74.0004 Da
Monoisotopic Mass74.0004 Da
Topological Polar Surface Area54.400 Ų
Heavy Atom Count5
Formal Charge0
Complexity55.900
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
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
How should this product be stored?
Store at room temperature.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 298-12-4, the molecular formula is C2H2O3, and the molecular weight is 74.04 g/mol. InChIKey HHLFWLYXYJOTON-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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