2-fluoroethanol

2-fluoroethanol structural formula

Structural formula

Business number 04HZ
Molecular formula C2H5OF
Molecular weight 64.06
label

Aliphatic alcohols, ethers and their derivatives

Numbering system

CAS number:371-62-0

MDL number:MFCD00002828

EINECS number:206-740-2

RTECS number:KL1575000

BRN number:1730857

PubChem number:24849864

Physical property data

1. Physical property data

Properties: Colorless liquid with alcohol smell

Density (g/ mL, 25/4℃): 1.1002

Pair density (20℃, 4℃): 1.1040

Melting point (ºC): – 26.4

Boiling point (ºC, normal pressure): 103.5

Refractive index at normal temperature (n20): 1.3640

Refractive index: 1.3647

Refractive index at room temperature (n25): 1.3632

Gas phase standard claimed heat (enthalpy) (kJ·mol-1): -419.7

Liquid phase standard claimed heat (enthalpy) (kJ·mol-1): -463.6

Vapor pressure (kPa, 25ºC): Not available

Saturated vapor pressure (kPa, 60ºC): Not available

Heat of combustion (KJ/mol): Not available

Critical temperature (ºC ): Not available

Critical pressure (KPa): Not available

Log value of oil-water (octanol/water) partition coefficient: Not available Use

Upper limit of explosion (%,V/V): Not available

Lower limit of explosion (%,V/V): Not available

Solubility: miscible with water and many organic solvents

Toxicological data

2. Toxicological data:

Acute toxicity: Not available.

Ecological data

3. Ecological data:

1. Other harmful effects: This substance may be harmful to the environment, and special attention should be paid to water bodies.

Molecular structure data

1. Molar refractive index: 13.01

2. Molar volume (cm3/mol): 64.5

3. Isotonic specific volume (90.2K ): 137.9

4. Surface tension (dyne/cm): 20.9

5. Polarizability (10-24cm3): 5.15

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 1

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: none

6. Topological molecule polar surface area 20.2

7. Number of heavy atoms: 4

8. Surface charge: 0

9. Complexity: 10

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Sex� and stability

1. Properties: Colorless liquid with an alcoholic smell. It is stable in nature and does not decompose during distillation. Miscible with water and many organic solvents. The chemical properties are similar to those of general alcohols, and the corresponding aldehydes and acids can be obtained after oxidation. Reacts with alkali metals or alkaline earth metals to form alkoxides, thereby producing ethers

2. It is highly toxic, mice were injected intraperitoneally with LD5060mg /kg. Production equipment should be sealed and operated under negative pressure. The workshop should have good ventilation. Operators should wear protective equipment.
 

Storage method

The product should be packed in brown glass bottles and packed in wooden boxes.

Synthesis method

Add 96.6g (1.2mol) of 2-chloroethanol dropwise into a mixture of 94ml of ethylene glycol and 105g (1.8mol) of anhydrous potassium fluoride, and react at 180°C for 2 hours to obtain 32.34g of 2-fluoroethanol. The yield is 42.1%.

Purpose

Intermediates of the antibacterial drug fleroxacin. 2-Fluoroethanol and its derivatives are used to poison rodents, and its derivatives can be used as herbicides and poison some plant pests.

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.polyether-factory.com/archives/20139

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