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 |
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 |
Primary Applications
Crosslinking agent for resins, cellulose, starch, and proteins
Intermediate in production of glyoxalated polyacrylamides
Textile finishing and paper processing
Secondary Applications
Biocide and disinfectant (restricted use due to toxicity)
Ingredient in oil & gas drilling fluids
Additive in leather tanning and cosmetics (controlled uses)
End Industries Served: Textiles, Paper & Pulp, Oil & Gas, Leather, Resins, Water Treatment
Hazard Class (GHS): Flammable liquid (Category 3), Acute Toxicity (Category 3), Skin Irritant (Category 2), Eye Irritant (Category 2A)
Hazard Statements (H-Codes):
H226: Flammable liquid and vapor
H301: Toxic if swallowed
H311: Toxic in contact with skin
H331: Toxic if inhaled
H315: Causes skin irritation
H319: Causes serious eye irritation
Precautionary Statements (P-Codes):
P210: Keep away from heat, sparks, open flames
P280: Wear protective gloves/eye/face protection
P301 + P310: IF SWALLOWED – call a POISON CENTER immediately
P302 + P352: IF ON SKIN – wash with plenty of water
P304 + P340: IF INHALED – remove person to fresh air
Storage Conditions
Store in cool, dry, well-ventilated place
Keep container tightly sealed
Avoid contact with strong oxidizers and bases
Transport Information
ADR/RID: Class 6.1, UN2821, PG III
IMDG: Class 6.1, UN2821, PG III
IATA: Class 6.1, UN2821, PG III