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Glyoxylic Acid
Also known as: glyoxylic acid · 298-12-4 · 2-Oxoacetic Acid · Glyoxalic acid
- CAS No.
- 298-12-4
- Formula
- C2H2O3
- Molar mass
- 74.04 g/mol
- PubChem CID
- 760
Corrosive
Harmful / Irritant
Summary
Glyoxylic Acid (C2H2O3), CAS 298-12-4. Common in labs and industry. Read on for hazards, storage, PPE and mixing rules.
Background
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Physical properties
No experimental physical properties indexed yet. Try PubChem for the raw record.
Hazards
Attacks skin, eyes and materials.
May cause skin, eye or respiratory irritation.
Storage
Keep at room temperature, below 30 °C, out of direct heat.
Store somewhere well-ventilated and away from any ignition source.
Metal drums or tinted glass, tightly sealed.
Strong acids, strong bases and powerful oxidizers.
Personal protective equipment
Nitrile or butyl, at least 0.4 mm thick.
Safety goggles with side shields.
A2 organic-vapor cartridge if the room isn't well ventilated.
Occupational exposure limits (HSE)
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EU harmonised classification (ECHA C&L)
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Transport
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Compatibilities
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Open comparator with Glyoxylic AcidPractical safety notes
- Corrosive. Wear chemical goggles, faceshield and chemical-resistant gloves. Have an eyewash within reach.
- Irritant / harmful. Ventilate the workspace and avoid skin contact.
Derived from the GHS classification shown above. These notes are generic guidance and do not replace the manufacturer's SDS or your local risk assessment.
FAQ
Is Glyoxylic Acid flammable?+
Glyoxylic Acid (CAS 298-12-4) does not carry the GHS02 flame pictogram in our records. Always confirm with the manufacturer's SDS section 9 (flash point) before assuming a product is non-flammable.
What PPE should I wear when handling Glyoxylic Acid?+
Chemical-splash goggles and a faceshield, chemical-resistant gloves (nitrile or butyl) and an apron are the minimum. Ventilation should be sufficient to keep vapours below the occupational exposure limit. Check SDS section 8 for material-specific breakthrough times.
How should Glyoxylic Acid be stored?+
Store Glyoxylic Acid (CAS 298-12-4) in tightly closed original containers, in a cool, dry, well-ventilated area away from incompatible materials. Segregate acids from bases and keep away from metals that can be attacked.
Is Glyoxylic Acid dangerous for the environment?+
No specific environmental pictogram (GHS09) is listed in our records for Glyoxylic Acid, but any chemical waste should be handled through your site's hazardous-waste procedure, not poured down the drain.
Where can I find the official Safety Data Sheet for Glyoxylic Acid?+
Official, up-to-date SDS documents are published by each manufacturer (Sigma-Aldrich, Merck, Thermo Fisher, VWR, Carl Roth, etc.) and by regulators such as ECHA and NIOSH. This page is an educational summary and does not replace the manufacturer's SDS.
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