Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Product Overview
Methacryloyl chloride (CAS 920-46-7) is a highly reactive organic acid chloride monomer. It is a colorless to pale yellow transparent liquid with pungent irritating odor. Featuring active acyl chloride group and polymerizable carbon-carbon double bond, this product has excellent chemical reactivity. It is widely used as a key intermediate in organic synthesis, polymer materials, resin modification, pharmaceutical and fine chemical industries. Produced via advanced synthesis and rectification technology, it maintains high purity, low impurities and stable quality. For legitimate industrial production, formulation and scientific research only.
Product Features
- High Purity: GC ≥99.0%, low content of moisture and acidic impurities to ensure reaction stability.
- Dual Reactive Groups: Contains both acyl chloride group and vinyl group, capable of acylation reaction and free radical polymerization.
- Strong Reactivity: Reacts rapidly with alcohols, amines, water and other nucleophilic substances under normal temperature.
- Good Compatibility: Easy to copolymerize with various vinyl monomers to modify material properties.
- Strict Quality Control: Each batch is fully tested; standard COA and MSDS are available upon request.
Physical & Chemical Properties
Physical Properties
- Appearance: Colorless to pale yellow transparent liquid
- Odor: Strong pungent irritating odor
- Melting Point: ?60 °C
- Boiling Point: 84 – 86 °C (760 mmHg)
- Density: 1.075 g/cm3 (25 °C)
- Refractive Index: n20/D 1.442
- Flash Point: 12 °C (closed cup)
- Vapor Pressure: 70 hPa (20 °C)
- Solubility: Reacts violently with water; miscible with ether, dichloromethane, toluene and most organic solvents
- Viscosity: Low viscosity at room temperature
Chemical Properties
- Chemical Stability: Unstable under ambient conditions. Easy to decompose and polymerize when exposed to heat, moisture and light. Stabilized with appropriate inhibitor for storage.
- Acid-Base Character: Strong acidic after hydrolysis; the raw liquid is corrosive.
- Main Reactions: Undergoes rapid hydrolysis to generate methacrylic acid and hydrogen chloride; conducts acylation reaction with alcohols and amines to produce corresponding esters and amides; performs free radical polymerization via carbon-carbon double bond.
- Thermal Stability: Accelerated decomposition and polymerization at temperature above 90 °C, releasing toxic and corrosive fumes.
- Incompatibility: Strictly keep away from water, strong bases, oxidants, amines and heat sources.
Applications
- Polymer & Resin Industry: Raw material for synthesizing methacrylate monomers, acrylic resins, adhesives and coatings; used for surface modification of polymers to improve adhesion and weather resistance.
- Organic Synthesis Intermediate: Applied to prepare various methacrylic acid derivatives, widely used in fine chemical synthesis.
- Pharmaceutical Industry: Key intermediate for the synthesis of pharmaceutical compounds and drug carriers.
- Surfactant & Flocculant: Used to produce functional polymer surfactants and high-efficiency water treatment flocculants.
- Laboratory Research: Common reagent for organic synthesis, polymerization research and chemical analysis experiments.
Usage Restriction: For industrial synthesis and scientific research use only. Strictly forbidden for illegal processing and improper application.
Storage & Transportation Instructions
Storage Conditions
Store in a cool, dry, well-ventilated and fire-proof warehouse. Keep containers tightly sealed to prevent contact with air and moisture. Add polymerization inhibitor for long-term storage. Store separately from water, strong oxidants, strong bases, amines and combustible materials. Keep far from heat sources, sparks and direct sunlight. Recommended storage temperature: 2 – 8 °C.
Transportation Requirements
UN Number: UN 2920
Hazard Class: 3 (Flammable liquid), 8 (Corrosive)
Packing Group: II
Adopt sealed, corrosion-resistant and leak-proof packaging. Avoid violent collision, extrusion, overturning and rain soaking during transportation. Do not transport together with water, oxidants, alkalis, food and feed. Follow regulations for flammable and corrosive dangerous goods during transit.
Operation Notes
Wear chemical-resistant clothing, face shield, chemical-resistant gloves and gas respirator. All operations must be carried out in a well-ventilated fume hood. Strictly prevent contact with skin, eyes and inhalation of vapor. In case of leakage or contact, take emergency treatment immediately and rinse with plenty of clean water. No eating, drinking or smoking in the working area.
Regulatory Information
EINECS Number: 213-168-2
HS Code: 2916190090
Comply with international dangerous goods transportation regulations and local chemical safety standards. Export goods shall follow IATA and IMDG rules. All transactions are limited to qualified chemical factories, polymer manufacturers, pharmaceutical enterprises and professional research institutions.
Full Product Parameter Table
| Item | Specification & Details |
| Product Name | Methacryloyl chloride |
| CAS NO. | 920-46-7 |
| IUPAC Name | 2-Methylprop-2-enoyl chloride |
| Synonyms | 2-Methylacryloyl chloride |
| Molecular Formula | C4H5ClO |
| Molecular Weight | 104.53 |
| EINECS Number | 213-168-2 |
| UN Number | UN 2920 |
| Hazard Class | 3 (Flammable liquid), 8 (Corrosive) |
| Packing Group | II |
| Appearance | Colorless to pale yellow transparent liquid |
| Purity | GC ≥99.0% |
| Moisture Content | ≤0.1% |
| Melting Point | ?60 °C |
| Boiling Point | 84 – 86 °C (760 mmHg) |
| Density | 1.075 g/cm3 (25 °C) |
| Refractive Index | n20/D 1.442 |
| Flash Point | 12 °C (closed cup) |
| Solubility | Reacts violently with water; miscible with common organic solvents |
| HS Code | 2916190090 |
| Storage Temperature | 2 – 8 °C, sealed, dry & fire-proof environment |
| Packing Specification | 25kg/plastic drum, 200kg/galvanized iron drum |
| Grade Standard | Industrial Grade / Synthesis Grade / Research Grade |
| Application Scope | Polymer monomer, organic intermediate, resin modifier, pharmaceutical raw material |
| Validity Period | 12 Months under specified storage conditions |
