2-Isopropoxypropane
Diisopropyl ether
CAS: 108-20-3
Molecular Formula: C6H14O
2-Isopropoxypropane - Names and Identifiers
2-Isopropoxypropane - Physico-chemical Properties
| Molecular Formula | C6H14O |
| Molar Mass | 102.17 |
| Density | 0.725g/mLat 25°C(lit.) |
| Melting Point | -85.5 °C |
| Boling Point | 68-69°C(lit.) |
| Flash Point | −29°F |
| Water Solubility | 9 g/L (20 ºC) |
| Solubility | 3.11g/l |
| Vapor Presure | 120 mm Hg ( 20 °C) |
| Vapor Density | 3.5 (vs air) |
| Appearance | Liquid |
| Color | APHA: ≤25 |
| Odor | Sweet, slightly sharp; characteristic pungent; ethereal; like amphor and ethyl ether. |
| Exposure Limit | TLV-TWA 1045 mg/m3 (250 ppm) (ACGIH),2090 mg/m3 (500 ppm) (OSHA); STEL1300 mg/m3 (310 ppm) (ACGIH). |
| Merck | 14,5212 |
| BRN | 1731256 |
| Storage Condition | Store below +30°C. |
| Stability | Stability Extremely flammable. This material is a serious fire and explosion risk. Vapour may travel considerable distances to an ignition source, which need not be an open flame, but may be a hot pla |
| Explosive Limit | 1-21%, 100°F |
| Refractive Index | n20/D 1.367(lit.) |
| Physical and Chemical Properties | Colorless, flowability and flammable liquid with moderate volatility, with special odor of ethers. boiling point 68.4 ℃ relative density 0.7220~0.7260 refractive index 1.3679 flash point -22 ℃ solubility in water, isopropanol, acetone, acetonitrile, ethanol constitutes the azeotrope. |
| Use | Used as a solvent for the concentration and recovery of dilute solutions of acetic acid or butyric acid, and used as an extraction solvent for sodium thiocyanate in the wet acrylic process |
2-Isopropoxypropane - Risk and Safety
| Hazard Symbols | F - Flammable |
| Risk Codes | R11 - Highly Flammable R19 - May form explosive peroxides R66 - Repeated exposure may cause skin dryness or cracking R67 - Vapors may cause drowsiness and dizziness R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| 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. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 1159 3/PG 2 |
| WGK Germany | 1 |
| RTECS | TZ5425000 |
| FLUKA BRAND F CODES | 10 |
| HS Code | 2909 19 90 |
| Hazard Class | 3 |
| Packing Group | II |
| Toxicity | LD50 in 14 day old, young adult, adult rats (ml/kg): 6.4, 16.5, 16.0 orally (Kimura) |
2-Isopropoxypropane - Upstream Downstream Industry
| Raw Materials | Isopropanol |
| Downstream Products | mifepristone |
2-Isopropoxypropane - Nature
Open Data Verified Data
a flammable liquid that is colorless, fluid and of moderate volatility, with a special odor of ethers. Boiling point 68.4 °c. Freezing point -86.4 °c. Flash point -22 °c. Relative density of 0.7220~0.7260. Refractive index 3679. Viscosity (25 °c) 0.379MPA. s. With water, isopropanol, acetone, acetonitrile, ethanol composition azeotrope. Surface tension 32mN/m (23 degrees C).
Last Update：2025-06-10 22:55:16
2-Isopropoxypropane - Preparation Method
Open Data Verified Data
- The Isopropyl alcohol dehydration method is prepared by co-thermal dehydration of isopropyl alcohol with concentrated sulfuric acid or benzenesulfonic acid.
- ion exchange resin method
- The catalytic synthesis method is formed by the catalytic condensation of isopropanol and propylene.
Last Update：2022-01-01 10:15:51
2-Isopropoxypropane - Application
Open Data Verified Data
as an important solvent is widely used in pharmaceutical, paint and paint cleaning. Isopropyl ether has high octane number and frost resistance, and can be used as gasoline admixture.
Last Update：2025-08-19 16:24:40
2-Isopropoxypropane - Safety
Open Data Verified Data
- The anesthetic effect was lighter than that of ether, but lasting. People in more than 3% concentration in the air will cause harm, the toxicity of ether 1.5~2.O times. Rabbit-like LCl. 6%. Operators should wear masks.
- This product is flammable and volatile. In order to prevent fire and poisoning, the workplace should be well ventilated. See ethyl ether.
Last Update：2025-06-10 22:55:16
2-Isopropoxypropane - Reference Information
| relative polarity | 2.2 |
| Henry's Law Constant | 2.57 at 25 °C (headspace-GC, Arp and Schmidt, 2004) |
| LogP | 2.4 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | diisopropyl ether is a good solvent for animal, vegetable and mineral oils, which can be used to extract nicotine from tobacco; it is also a good solvent for paraffin and resin. In industry, diisopropyl ether and other solvents are often used in the dewaxing process of paraffin-based oil. As a solvent is also used in pharmaceutical, smokeless powder, paint and paint cleaning, diisopropyl ether has high octane number and frost resistance, can be used as gasoline admixture. This product is easy to form peroxide, in the vibration to produce an explosion, often added to benzyl aminophenol as a stabilizer. The anesthetic effect of diisopropyl ether is lighter than that of ether, but the duration of anesthesia is longer. used as solvent, for the concentration and recovery of dilute solution of acetic acid or butyric acid, used as extraction solvent of sodium thiocyanate in wet acrylic fiber process used as chromatographic standard substance, solvent and extractant, also used in organic synthesis used as solvent, also used for concentrated recovery of acetic acid or butyric acid dilute solution |
| production method | industrially, it can be recovered from the by-product of hydration of propylene sulfuric acid to isopropanol. Propylene reacts with sulfuric acid to form isopropyl hydrosulfate, which is then hydrolyzed to isopropyl alcohol. During the reaction, isopropyl hydrosulfate reacts with propylene to form diisopropyl sulfate, which reacts with isopropyl alcohol to form isopropyl hydrosulfate and diisopropyl ether. Diisopropyl ether was first obtained from the top of the column by distillation after the material after the sulfuric acid hydration reaction was steam stripped in the desorption column to release isopropyl alcohol and diisopropyl ether from the acid solution. In the laboratory, isopropyl ether can be obtained by dehydration of isopropyl alcohol with sulfuric acid or by hydrogenation of isopropyl alcohol with acetone. It can also be derived from the catalytic condensation of isopropanol with propylene. Diisopropyl ether can also be prepared by ion exchange resin method. |
| category | flammable liquid |
| toxicity grade | low toxicity |
| Acute toxicity | oral-rat LD50: 8470 mg/kg; Inhalation-mouse LC50: 131g/m3 |
| stimulation data | Skin-rabbit 363 mg mild |
| explosive hazard characteristics | mixed with air to form an explosive mixture; long-term storage generated explosive peroxide |
| flammability hazard characteristics | flammability |
| storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from oxidants and acids |
| extinguishing agent | dry powder, foam, carbon dioxide, 1211, sand |
| Occupational Standard | TLV-TWA 1050 mg/m3; Tel 1315 mg/m3 |
| spontaneous combustion temperature | 827 ° F. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
| immediate life-and health-threatening concentrations | 1,400 ppm [10% LEL] |
Last Update：2024-04-09 21:04:16
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View History
2-Isopropoxypropane
Acevaltrate
D-GAMMA-TOCOPHEROL
Valaciclovir EP Impurity A
872005-48-6
632-99-5
sotalol
4980-54-5
6-METHYLPYRIDIN-3-OL
Acevaltrate
D-GAMMA-TOCOPHEROL
Valaciclovir EP Impurity A
872005-48-6
632-99-5
sotalol
4980-54-5
6-METHYLPYRIDIN-3-OL
Raw Materials for 2-Isopropoxypropane
Downstream Products for 2-Isopropoxypropane