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Send EmailMethylolacrylamide, N-Methylolacrylamide, NMA, 924-42-5
CAS Number: 924-42-5
EC Number (EINECS): 213-103-2
Molecular Formula: C₄H₇NO₂
Molecular Weight: 101.10 g/mol
Chemical Class: Acrylamide derivative (functional monomer)
| Parameter | Description |
|---|---|
| Chemical Name (IUPAC) | N-(Hydroxymethyl)prop-2-enamide |
| Other Names | NMA, N-Methylolacrylamide, Methylolacrylamide, N-Hydroxymethyl acrylamide, Uramin T 80 |
| CAS Number | 924-42-5 |
| EC Number (EINECS) | 213-103-2 |
| Molecular Formula | C₄H₇NO₂ |
| Molecular Weight | 101.10 g/mol |
| Chemical Class | Acrylamide derivative (functional monomer) |
| Structure | CH₂=CH-C(=O)-NH-CH₂OH |
| Appearance | Colorless to pale yellow liquid |
| Physical State | Liquid |
| Odor | Ester-like |
| Active Content | 40–44% |
| Functional Groups | Vinyl (C=C), amide, hydroxyl (-OH) |
| Property | Value / Range |
|---|---|
| Molecular Formula | C₄H₇NO₂ |
| Molecular Weight | 101.10 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Ester-like |
| Active Content | 40–44% |
| Boiling Point | ~277°C |
| Freezing Point | ~75°C |
| Vapor Pressure (25°C) | 0.03 Pa |
| Solubility in Water | Soluble |
| Solubility in Organic Solvents | Soluble |
| Polymerization Inhibitor | MEHQ (typically) |
| Property | Description |
|---|---|
| Chemical Class | Acrylamide derivative (functional monomer) |
| Functional Groups | Vinyl (C=C), amide, hydroxyl (-OH) |
| Reactivity | High; readily polymerizes and crosslinks |
| Crosslinking | Self-crosslinks via hydroxymethyl groups or with other reactive groups |
| Polymerization | Free-radical polymerization (solution, emulsion) |
| Copolymerization | Copolymerizes with acrylates, methacrylates, styrene, vinyl acetate |
| Thermal Decomposition | > 200°C releases nitrogen oxides (NOₓ), CO, CO₂ |
| Hydrolysis | Hydrolyzes in acidic/basic media |
| Oxidation | Stable under normal conditions |
| Reaction Type | Description |
|---|---|
| Radical Polymerization | Forms crosslinkable polymers |
| Copolymerization | With acrylates, methacrylates, styrene, vinyl acetate |
| Self-Crosslinking | Forms bonds between hydroxymethyl groups |
| Condensation | Crosslinks under heat or acid catalysis |
| Property | Description |
|---|---|
| Crosslinking | Forms strong crosslinks in polymer systems |
| Adhesion | Provides enhanced adhesion |
| Mechanical Strength | Increases mechanical durability |
| Durability | Enhances final product durability |
| Water Solubility | High water solubility |
| Reactivity | High polymerization and crosslinking reactivity |
| Application | Function | Suitability |
|---|---|---|
| Textile Finishing Agents | Crosslinker | High |
| Fabric Coatings | Durability enhancer | High |
| Nonwoven Binders | Binder | High |
| Application | Function | Suitability |
|---|---|---|
| Adhesives | Crosslinker, adhesion enhancer | High |
| Binders | Polymeric binder | High |
| Application | Function | Suitability |
|---|---|---|
| Coatings | Crosslinker, film former | High |
| Paints | Crosslinker | High |
| Varnishes | Crosslinker | High |
| Application | Function | Suitability |
|---|---|---|
| Polymerization | As monomer | High |
| Resins | Crosslinker | High |
| Application | Function | Suitability |
|---|---|---|
| Water Treatment | Polymeric flocculants | High |
| Application | Function | Suitability |
|---|---|---|
| Personal Care Products | Polymer components | High |
| Cosmetics | Formulation components | High |
| Application | Function | Suitability |
|---|---|---|
| Paper Strengtheners | Strength enhancer | High |
| Industry | Suitability | Explanation |
|---|---|---|
| Textiles | High | Finishing agents, coatings, binders |
| Adhesives | High | Crosslinker, adhesion enhancer |
| Coatings | High | Crosslinker, film former |
| Polymers | High | Monomer, crosslinker |
| Water Treatment | High | Flocculants |
| Paper | High | Strengtheners |
| Personal Care | High | Polymer components |
| Cosmetics | High | Formulation components |
| Food | Not suitable | Not used as direct food additive |
| Type | Name / Description |
|---|---|
| IUPAC Name | N-(Hydroxymethyl)prop-2-enamide |
| Commercial Names | NMA, N-Methylolacrylamide, Uramin T 80 |
| Synonyms | N-Methylol Acrylamide, N-Hydroxymethyl acrylamide, Methylolacrylamide, N-Methanolacrylamide |
| CAS Number | 924-42-5 |
| EC Number | 213-103-2 |
| HS Code | 29241900 |
| Parameter | Value / Description |
|---|---|
| GHS Classification | Warning |
| Hazard Statements | H302 (Harmful if swallowed), H315 (Causes skin irritation), H317 (May cause allergic skin reaction), H319 (Causes serious eye irritation), H335 (May cause respiratory irritation) |
| Precautionary Statements | P261 (Avoid breathing dust/fume/gas/mist/vapors/spray), P280 (Wear protective gloves/protective clothing/eye protection/face protection), P302+P352 (IF ON SKIN: Wash with plenty of water), P305+P351+P338 (IF IN EYES: Rinse cautiously with water) |
| Skin Irritation | Irritant |
| Eye Irritation | Irritant |
| Skin Sensitization | Positive (allergic contact dermatitis) |
| Mutagenicity | Suspect |
| Carcinogenicity | IARC Group 3 (not classifiable) |
| Target Organs | Skin, eyes, respiratory system |
| Parameter | Information |
|---|---|
| Storage Conditions | Cool, dry, well-ventilated area |
| Temperature | 15–30°C (protect from freezing) |
| Container | Tightly closed, original packaging (IBC, 1000 kg) |
| Freeze Protection | Freezing point ~75°C; freezing risk is low |
| Sunlight Protection | Protect from direct sunlight |
| Polymerization Risk | Keep away from heat and light; contains inhibitor |
| Shelf Life | 12 months (under recommended conditions) |
| Packaging | 1000 kg IBC |
| Parameter | Information |
|---|---|
| UN Number | Not regulated (not classified as dangerous goods) |
| Hazard Class | Not applicable |
| Packing Group | Not applicable |
| Proper Shipping Name | N-Methylol Acrylamide Solution |
| ADR/RID | Not regulated |
| IMDG Code | Not regulated |
| IATA (Air) | Not regulated |
| Marine Pollutant | No |
| Parameter | Information |
|---|---|
| Fire Hazard | Combustible liquid |
| Extinguishing Media | Water fog, foam, CO₂, dry chemical |
| Special Hazards | When heated, releases nitrogen oxides (NOₓ), CO, CO₂ |
| Decomposition Products | Nitrogen oxides, CO, CO₂ |
| Protective Equipment | Self-contained breathing apparatus (SCBA), full protective clothing |
| Parameter | Information |
|---|---|
| Personal Protection | Gloves, safety goggles, face shield, protective clothing |
| Ventilation | Increase ventilation |
| Cleanup Methods | Absorb with inert absorbent material; collect in sealed containers |
| Environmental Precautions | Prevent entry into drains and water bodies |
| Waste Disposal | According to local regulations; incineration (hazardous waste) |
| Exposure Route | Action |
|---|---|
| Inhalation | Move to fresh air. Administer oxygen if breathing difficulty. Seek medical attention. |
| Skin Contact | Remove contaminated clothing. Wash with soap and plenty of water for at least 15 minutes. Seek medical attention. |
| Eye Contact | Rinse with plenty of water for at least 15 minutes. Seek medical attention. |
| Ingestion | Do NOT induce vomiting. Drink plenty of water. Seek medical attention. |
| Region / Authority | Status |
|---|---|
| EU REACH | Registered |
| Turkey KKDİK | Registration required |
| USA TSCA | Listed |
| IARC | Group 3 (not classifiable) |
| EINECS | 213-103-2 |
| WGK (Germany) | 1 (slight hazard to water) |
| RoHS | Compliant |
| California Prop 65 | Not listed |
| Parameter | Value |
|---|---|
| Product | N-Methylol Acrylamide (NMA48) |
| CAS | 924-42-5 |
| Appearance | Colorless to pale yellow liquid |
| Active Content | 40–44% |
| Molecular Weight | 101.10 g/mol |
| Key Industries | Textiles, adhesives, coatings, polymers |
Functional Monomer: NMA is a methylolacrylamide monomer with unique crosslinking properties. The hydroxymethyl group enables crosslinking reactions.
Crosslinking Ability: Forms strong crosslinks in polymer systems. This property plays a critical role in enhancing product performance in adhesives, coatings, and textiles.
Aqueous Solution Form: The product is supplied as a 40–44% active aqueous solution. This form facilitates direct use in water-based systems.
Polymerization Risk: Readily polymerizable; contains inhibitor. Keep away from heat and light.
Skin Sensitizer: NMA may cause allergic skin reactions (H317). Appropriate PPE required.
IARC Group 3: Classified by IARC as Group 3 (not classifiable as to carcinogenicity to humans).
Storage: Store in cool, dry, well-ventilated areas. Freezing point ~75°C; freezing risk is low.
Shelf Life: 12 months. Inhibitor levels should be checked during long-term storage to prevent polymerization.
Versatile Applications: Used in textiles, adhesives, coatings, water treatment, personal care, paper, and polymer industries.
Regulatory Status: Registered under REACH. Not classified as dangerous goods.
IMPORTANT DISCLAIMER: This Technical Data Sheet (TDS) is for informational purposes only and is based on available technical data. The user is solely responsible for determining the product's suitability for their specific application and for complying with all applicable local, national, and international regulations. NMA is readily polymerizable and is a known skin sensitizer! For complete safety, storage, handling, transportation, disposal, and regulatory compliance information, always refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier. Users are responsible for testing the product in their own processes and applications. All local, national, and international regulations must be followed when working with NMA.