Isopropyl formate
Isopropyl formate
CAS: 625-55-8
Molecular Formula: C4H8O2
Isopropyl formate - Names and Identifiers
Isopropyl formate - Physico-chemical Properties
| Molecular Formula | C4H8O2 |
| Molar Mass | 88.11 |
| Density | 0.884g/mLat 25°C(lit.) |
| Melting Point | -93°C |
| Boling Point | 68°C(lit.) |
| Flash Point | 7°F |
| JECFA Number | 304 |
| Water Solubility | slightly soluble in water, completely miscible with alcohol, ether, and most organic solvents. |
| Vapor Presure | 127mmHg at 25°C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| BRN | 1735844 |
| Refractive Index | n20/D 1.368(lit.) |
| Physical and Chemical Properties | Colorless liquid. Fruit-like, ether-like and pear-like sweet. Boiling point of 67~68 deg C. Slightly soluble in water, all miscible in ethanol, ether and most organic solvents. Natural products are found in coffee, some species of mushrooms, brandy, and clumps of grass, etc. |
Isopropyl formate - Risk and Safety
| Risk Codes | R11 - Highly Flammable R36/37/38 - Irritating to eyes, respiratory system and skin. R67 - Vapors may cause drowsiness and dizziness R36/37 - Irritating to eyes and respiratory system. |
| Safety Description | S16 - Keep away from sources of ignition. S33 - Take precautionary measures against static discharges. S36 - Wear suitable protective clothing. S24 - Avoid contact with skin. S9 - Keep container in a well-ventilated place. |
| UN IDs | UN 1281 3/PG 2 |
| WGK Germany | 3 |
| RTECS | LQ8750000 |
| TSCA | Yes |
| HS Code | 29151300 |
| Hazard Class | 3 |
| Packing Group | II |
Isopropyl formate - Reference Information
| FEMA | 2944 | ISOPROPYL FORMATE |
| olfactory Threshold | 0.29ppm |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| preparation method | is prepared by direct esterification of formic acid with isopropanol. Add 1mol of formic acid, 1.2MOL of isopropyl alcohol, 0.015mol of concentrated sulfuric acid and 100ml of benzene into a three-necked flask equipped with an oil-water separator and a thermometer, and heat and reflux to react until anhydrous fraction appears, and separate the layers, after the aqueous layer was extracted with benzene, the organic layer was combined, washed with water, neutralized with sodium bicarbonate solution, dried over anhydrous sodium sulfate, distilled off the solvent, and distilled under reduced pressure to obtain the product. Reaction scheme for synthesis of isopropyl formate |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA(mg/kg): non-alcoholic beverage, cold beverage, 18~25; candy 55~100; Baked products 60~100. FDA,§ 172.515: limited to the appropriate amount. |
| Use | food flavor. Can also be used as fungicides, Disinfection fungicides. |
| production method | can be directly obtained by esterification. |
| category | flammable liquid |
| toxicity grade | poisoning |
| Acute toxicity | oral-guinea pig LD50: 1400 mg/kg |
| 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 the oxidant |
| extinguishing agent | dry powder, dry sand, carbon dioxide, foam, 1211 extinguishing agent |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:11:58
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