Methacrylamide
| Formula: | C₄H₇NO |
| CAS Number: | 79-39-0 |
| EC Number (EINECS): | 202-454-9 |
| HS Code: | 29241900 |
| UN Number: | 2810 |
| IUPAC Name: | 2-Methylprop-2-enamide |
| Also Known As: | MAA; 2-Methylacrylamide |
| Molecular Weight, g/mol: | 85.11 |
Typical Specifications
| Appearance: | White crystalline solid / flakes |
| Odor: | Mild, characteristic |
| Melting Point, °C: | 106–110 |
| Boiling Point, °C: | ~215 (decomposes) |
| Density, g/cm³ (at 20°C): | 1.13 |
| Flash Point, °C: | >100 (closed cup) |
| pH (1% solution): | ~6–7 |
| Purity, %: | ≥99 |
| Grades Available: | Industrial, Research, Technical |
| Packaging: | 25kg bags, fiber drums, custom bulk |
Applications / Uses
Primary Applications
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Monomer for specialty polymers and copolymers
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Used in synthesis of flocculants and dispersants
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Cross-linking agent in hydrogels
Secondary Applications
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Intermediate in coatings, adhesives, and resins
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Component in water treatment chemicals
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Used in textile auxiliaries and paper industry
End Industries Served: Polymers, Water Treatment, Adhesives, Coatings, Textiles, Paper & Pulp, Specialty Chemicals
Safety & Handling Information
Hazard Class (GHS): Acute Toxicity (Oral, Category 4); Skin Irritant (Category 2); Eye Irritant (Category 2A)
Hazard Statements (H-Codes):
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H302: Harmful if swallowed
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H315: Causes skin irritation
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H319: Causes serious eye irritation
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H335: May cause respiratory irritation
Precautionary Statements (P-Codes):
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P280: Wear protective gloves/eye protection
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P261: Avoid breathing dust/fumes
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P301 + P312: IF SWALLOWED – call a POISON CENTER/doctor if unwell
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P305 + P351 + P338: IF IN EYES – rinse cautiously with water for several minutes
Storage Conditions
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Store in cool, dry, well-ventilated place
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Protect from heat, moisture, and direct sunlight
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Keep container tightly closed
Transport Information
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ADR/RID: Class 6.1, UN2810, PG III
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IMDG: Class 6.1, UN2810, PG III
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IATA: Class 6.1, UN2810, PG III