Hanson Chemicals

Methyl Methacrylate (MMA)

Formula: C₅H₈O₂
CAS Number: 80-62-6
EC Number (EINECS): 201-297-1
HS Code: 29161400
UN Number: 1247
IUPAC Name: Methyl 2-methylprop-2-enoate
Also Known As: MMA; Methyl 2-methylpropenoate; Isobutenoic acid, methyl ester
Molecular Weight, g/mol: 100.12

Typical Specifications

Appearance: Clear, colorless liquid
Odor: Fruity, acrid
Melting Point, °C: –48
Boiling Point, °C: 100–101
Density, g/cm³ (at 20°C): 0.940
Flash Point, °C: 10 (closed cup)
Refractive Index (20°C): 1.414
pH (1% solution): ~5.0–6.0
Purity, %: ≥99.5
Grades Available: Industrial, Polymerization Grade
Packaging: 190kg drums, 950kg IBCs, bulk ISO tanks

Applications / Uses

Primary Applications

  • Manufacture of polymethyl methacrylate (PMMA) plastics and resins

  • Key raw material for acrylic sheets, automotive parts, signage, and displays

  • Used in surface coatings and adhesives

Secondary Applications

  • Ingredient in construction and oilfield chemicals

  • Used in dental and medical applications (bone cement, prosthetics)

  • Intermediate for specialty polymers and copolymers

End Industries Served: Plastics, Automotive, Construction, Medical Devices, Coatings, Adhesives

Safety & Handling Information

Hazard Class (GHS): Flammable liquid (Category 2), Skin Irritant (Category 2), Eye Irritant (Category 2A), Specific Target Organ Toxicity (STOT-SE, Category 3)

Hazard Statements (H-Codes):

  • H225: Highly flammable liquid and vapor

  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation

Precautionary Statements (P-Codes):

  • P210: Keep away from heat, sparks, open flames, and hot surfaces

  • P280: Wear protective gloves/eye protection

  • P261: Avoid breathing vapors

  • P305 + P351 + P338: IF IN EYES – rinse cautiously with water

Storage Conditions

  • Store in a cool, dry, well-ventilated place under nitrogen blanket

  • Keep containers tightly closed and protected from sunlight

  • Always shipped and stored with polymerization inhibitor (MEHQ)

Transport Information

  • ADR/RID: Class 3, UN1247, PG II

  • IMDG: Class 3, UN1247, PG II

  • IATA: Class 3, UN1247, PG II

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