2-METHYL FURAN
2-Methylfuran
CAS: 534-22-5;27137-41-3
Molecular Formula: C5H6O
2-METHYL FURAN - Names and Identifiers
| Name | 2-Methylfuran |
| Synonyms | Sylvan methylfuran methyl furan 5-methylfuran 2-Methylfuran 2-METHYL FURAN alpha-methylfuran |
| CAS | 534-22-5 27137-41-3 |
| EINECS | 248-253-8 |
| InChI | InChI=1/C5H6O/c1-5-3-2-4-6-5/h2-4H,1H3 |
2-METHYL FURAN - Physico-chemical Properties
| Molecular Formula | C5H6O |
| Molar Mass | 82.04 |
| Density | 0.91 |
| Melting Point | -88.7℃ |
| Boling Point | 63-66℃ |
| Flash Point | -26℃ |
| Water Solubility | 0.3 g/100 mL (20℃) |
| Refractive Index | 1.432 |
| Physical and Chemical Properties | Characteristics of colorless transparent liquid, exposure to black, similar to ether odor. boiling point 63.2-65.5 ℃ freezing point -88.68 ℃ relative density 0.9132 refractive index 1.4342 flash point -22 ℃ solubility slightly soluble in water. Dissolve 0.3g per 100g of water, miscible with most organic solvents. |
| Use | For the preparation of vitamin B1, chloroquine phosphate and primaquine phosphate and other drugs, synthetic pyrethroid pesticides and flavors, is also a good solvent |
2-METHYL FURAN - Risk and Safety
| Hazard Symbols | F - Flammable T - Toxic  |
| Risk Codes | R11 - Highly Flammable R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S16 - Keep away from sources of ignition. S33 - Take precautionary measures against static discharges. S9 - Keep container in a well-ventilated place. |
| UN IDs | UN 2301 |
2-METHYL FURAN - Upstream Downstream Industry
| Raw Materials | 2-Furaldehyde Hydrogen Cupric nitrate Sodium Dichromate |
| Downstream Products | 2-Acetyl-5-methylfuran Chloroquine diphosphate |
2-METHYL FURAN - Nature
Open Data Verified Data
colorless transparent liquid, blackened by exposure, similar to ether odor, slightly soluble in water, 0. 3G, miscible with most organic solvents, and methanol to form a binary azeotropic mixture, and methanol water to form a ternary azeotropic mixture. The relative density was 0.9132. Boiling Point 63. 2~65.6 ℃. Freezing point -88. 68 °c. Refractive index 4342. Flash point -22 °c. Flammable, can be decomposed by sodium hydroxide solution.
Last Update：2024-01-02 23:10:35
2-METHYL FURAN - Preparation Method
Open Data Verified Data
obtained by catalytic hydrogenation of furfural (or furfuryl alcohol). The above hydrogenation catalyst is a copper-aluminum alloy or a copper-chromium alloy, and alkali is used as a co-catalyst at a pressure of 0. 29~0. 49MPa, temperature 200~210 ℃, hydrogen and furfural ratio of 10:1(mol), furfural feeding rate of 0. 3kg/L.h. Under such conditions, it is obtained by hydrogenation in the gas phase. The reaction product is then condensed, the water is distilled off, and the finished product is obtained by rectification. The average yield of 2 methyl furan was more than 50%.
Last Update：2022-01-01 10:56:52
2-METHYL FURAN - Use
Open Data Verified Data
can be used as a solvent in solution polymerization. Can be used for the synthesis of pentadiene, pentanediol, acetyl propanol and copper and 2 methyl tetrahydrofuran. In the pharmaceutical industry, for the synthesis of vitamin bi, chloroquine phosphate and primary chloroquine phosphate.
Last Update：2022-01-01 10:56:51
2-METHYL FURAN - Safety
Open Data Verified Data
- toxic. There is anesthetic effect on the rat LC 30400 x 10-6. The lowest lethal concentration was 6 mg/L, and the inhalation concentration was 0. 05mg/L. The conditioned reflex can be changed. The maximum allowable concentration in air is 1mg/m3. For its toxicity and protection see Diethyl ether.
- packaged in iron drum. 160kg or 180kg per barrel. Store in a cool, dark place, pay attention to fire prevention. According to the provisions of the storage and transportation of toxic chemicals.
Last Update：2022-01-01 10:56:52
2-METHYL FURAN - Introduction
2-Methylfuran is an organic compound with the chemical formula C5H6O and a molecular weight of 82.10g/mol. The following is a description of the nature, use, formulation and safety information of 2-Methylfuran:
Nature:
-Appearance: colorless liquid
-Odor: With aldehyde scent
-Boiling point: 83-84 ° C
-Density: approx. 0.94 g/mL
-Solubility: Soluble in water, ethanol, ether and other organic solvents
Use:
- 2-Methylfuran is mainly used as a solvent and intermediate in organic synthesis
-can be used for the synthesis of furan carboxylic acid, ketone, carboxylic acid and other organic compounds
-Widely used in pharmaceutical, pesticide and spice fields
Preparation Method:
-The common preparation method is through the acid-catalyzed reaction of aldehyde and polyethanolamine
-It can also be synthesized by the reaction of formic acid and pyrazine
-It can also be obtained by reacting butyl lithium oxide with N-methyl-N-(2-bromoethyl) aniline, and then by acid catalysis
Safety Information:
- 2-Methylfuran has certain toxicity to the human body at room temperature, and is irritating to the eyes and skin
-Avoid inhalation, contact with skin and eyes when using
-Use with appropriate protective gloves, glasses and protective clothing
-Operate in a well-ventilated place to avoid the formation of flammable or explosive mixtures
-Store away from heat and fire and in a cool and dry place
-Refer to relevant safety data sheets and guidelines to ensure safe operation and storage
Nature:
-Appearance: colorless liquid
-Odor: With aldehyde scent
-Boiling point: 83-84 ° C
-Density: approx. 0.94 g/mL
-Solubility: Soluble in water, ethanol, ether and other organic solvents
Use:
- 2-Methylfuran is mainly used as a solvent and intermediate in organic synthesis
-can be used for the synthesis of furan carboxylic acid, ketone, carboxylic acid and other organic compounds
-Widely used in pharmaceutical, pesticide and spice fields
Preparation Method:
-The common preparation method is through the acid-catalyzed reaction of aldehyde and polyethanolamine
-It can also be synthesized by the reaction of formic acid and pyrazine
-It can also be obtained by reacting butyl lithium oxide with N-methyl-N-(2-bromoethyl) aniline, and then by acid catalysis
Safety Information:
- 2-Methylfuran has certain toxicity to the human body at room temperature, and is irritating to the eyes and skin
-Avoid inhalation, contact with skin and eyes when using
-Use with appropriate protective gloves, glasses and protective clothing
-Operate in a well-ventilated place to avoid the formation of flammable or explosive mixtures
-Store away from heat and fire and in a cool and dry place
-Refer to relevant safety data sheets and guidelines to ensure safe operation and storage
Last Update：2024-04-10 22:29:15
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Raw Materials for 2-METHYL FURAN
Downstream Products for 2-METHYL FURAN