Glyoxal
| Formula: | C₂H₂O₂ |
| CAS Number: | 107-22-2 |
| EC Number (EINECS): | 203-474-9 |
| HS Code: | 29121900 |
| UN Number: | 2821 |
| IUPAC Name: | Ethanedial |
| Also Known As: | Ethane-1,2-dione; Oxaldehyde |
| Molecular Weight, g/mol: | 58.04 |
Typical Specifications
| Appearance: | Colorless to pale yellow liquid |
| Odor: | Sharp, pungent odor |
| Melting Point, °C: | -14 |
| Boiling Point, °C: | 50 (decomposes) |
| Density, g/cm³ (at 20°C): | 1.27 |
| Flash Point, °C: | 72 (closed cup) |
| Purity, %: | 40% aqueous solution (common commercial) |
| Grades Available: | Technical Grade, Industrial Grade |
| Packaging: | 250kg drums, 1000kg IBC tanks, bulk ISO tanks |
Applications / Uses
Primary Applications
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Crosslinking agent for resins, cellulose, starch, and proteins
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Intermediate in production of glyoxalated polyacrylamides
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Textile finishing and paper processing
Secondary Applications
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Biocide and disinfectant (restricted use due to toxicity)
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Ingredient in oil & gas drilling fluids
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Additive in leather tanning and cosmetics (controlled uses)
End Industries Served: Textiles, Paper & Pulp, Oil & Gas, Leather, Resins, Water Treatment
Safety & Handling Information
Hazard Class (GHS): Flammable liquid (Category 3), Acute Toxicity (Category 3), Skin Irritant (Category 2), Eye Irritant (Category 2A)
Hazard Statements (H-Codes):
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H226: Flammable liquid and vapor
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H301: Toxic if swallowed
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H311: Toxic in contact with skin
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H331: Toxic if inhaled
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H315: Causes skin irritation
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H319: Causes serious eye irritation
Precautionary Statements (P-Codes):
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P210: Keep away from heat, sparks, open flames
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P280: Wear protective gloves/eye/face protection
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P301 + P310: IF SWALLOWED – call a POISON CENTER immediately
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P302 + P352: IF ON SKIN – wash with plenty of water
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P304 + P340: IF INHALED – remove person to fresh air
Storage Conditions
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Store in cool, dry, well-ventilated place
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Keep container tightly sealed
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Avoid contact with strong oxidizers and bases
Transport Information
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ADR/RID: Class 6.1, UN2821, PG III
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IMDG: Class 6.1, UN2821, PG III
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IATA: Class 6.1, UN2821, PG III