Ethyl methacrylate
Ethyl Methacrylate
CAS: 97-63-2
Molecular Formula: C6H10O2
Ethyl methacrylate - Names and Identifiers
Ethyl methacrylate - Physico-chemical Properties
| Molecular Formula | C6H10O2 |
| Molar Mass | 114.14 |
| Density | 0.917 g/mL at 25 °C (lit.) |
| Melting Point | -75 °C |
| Boling Point | 118-119 °C (lit.) |
| Flash Point | 60°F |
| Water Solubility | 4 g/L (20 ºC) |
| Solubility | 5.1g/l |
| Vapor Presure | 15 mm Hg ( 20 °C) |
| Vapor Density | >3.9 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless |
| Odor | Acrid acrylic. |
| BRN | 471201 |
| Storage Condition | 2-8°C |
| Stability | Polymerizes in the presence of light or heat. Incompatible with peroxides, oxidizing agents, bases, acids, reducing agents, halogens and amines. Flammable. |
| Explosive Limit | 1.8%(V) |
| Refractive Index | n20/D 1.413(lit.) |
| Physical and Chemical Properties | Colorless liquid. Colorless liquid. Miscible with ethanol and ether, slightly soluble in water. |
| Use | Copolymerization with other monomers, can be Ester copolymers, can also be used in the coating industry, adhesives, fiber processing agents and molding materials manufacturing. |
Ethyl methacrylate - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R43 - May cause sensitization by skin contact |
| Safety Description | S9 - Keep container in a well-ventilated place. S16 - Keep away from sources of ignition. S29 - Do not empty into drains. S33 - Take precautionary measures against static discharges. |
| UN IDs | UN 2277 3/PG 2 |
| WGK Germany | 1 |
| RTECS | OZ4550000 |
| TSCA | Yes |
| HS Code | 29161490 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: 14600 mg/kg LD50 dermal Rabbit > 9130 mg/kg |
Ethyl methacrylate - Nature
Open Data Verified Data
colorless liquid. The relative density was 0. 9135. Melting Point -75 °c. Boiling point 118~119 deg C. Refractive index 1.4147. Flash point (Open Cup) 35 ℃, miscible with ethanol, ether, slightly soluble in water. Easy to polymerize.
Last Update：2024-01-02 23:10:35
Ethyl methacrylate - Preparation Method
Open Data Verified Data
acetone cyanohydrin reacts with sulfuric acid to produce methacrylamide, which is hydrolyzed and esterified with ethanol to obtain a crude product, and then subjected to dehydration and rectification to obtain a finished product.
Last Update：2022-01-01 10:33:01
Ethyl methacrylate - Use
Open Data Verified Data
copolymerization with other monomers, can be Ester copolymers, can also be used in the coating industry, adhesives, fiber treatment agents and molding materials manufacturing.
Last Update：2022-01-01 10:33:00
Ethyl methacrylate - Safety
Open Data Verified Data
- the toxicity of this product is similar to that of methyl methacrylate, and the oral LD50 is 15 ml/kg. Protection requirements are the same as for methyl methacrylate. See methyl methacrylate.
- galvanized iron drum packaging. Storage and Transportation need to add flame retardant, and storage at 10 deg C.
Last Update：2022-01-01 10:33:01
Ethyl methacrylate - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| uses | copolymers, adhesives and coatings for the manufacture of acrylic esters copolymerized with other monomers, the ester copolymer can be obtained, and can also be used in the coating industry, the manufacture of adhesives, fiber treatment agents and molding materials. used in organic synthesis and preparation of organic glass, also used as solvent |
| production method | 1. From methacrylic acid and ethanol esterification. Methacrylic acid and anhydrous ethanol were added to the reaction Pan, a small amount of concentrated sulfuric acid was added, and heated to reflux until an ester layer appeared. Cooling, separation of the ester layer, after alkali washing, washing, drying, and then reduced pressure fractionation product, industrial ethyl methacrylate content ≥ 98%. Raw material consumption quota: methacrylic acid 950kg/t, ethanol 900kg/t. 2. Acetone cyanohydrin reacts with sulfuric acid to produce methacrylamide, which is hydrolyzed and esterified with ethanol to obtain a crude product, which is then dehydrated and rectified to obtain a finished product. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-rat LD50: 14800 mg/kg; Oral-mouse LD50: 1369 mg/kg |
| explosive hazard characteristics | explosive when mixed with air |
| flammability hazard characteristics | in case of open flame, high temperature, flammable oxidant; Combustion stimulus smoke |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored separately from oxidants and acids; It is not suitable for long storage, to prevent aggregation |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| Occupational Standard | TWA 250 mg/m3; Tel 350 mg/m3 |
| spontaneous combustion temperature | 771 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:12
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