Polyether_Polyether Polyol Knowledge 3′,4′-difluoroacetophenone

3′,4′-difluoroacetophenone

3',4'-difluoroacetophenone structural formula

Structural formula

Business number 04HG
Molecular formula C8H6F2O
Molecular weight 156.13
label

F2C6H3COCH3,

aromatic fluoride

Numbering system

CAS number:369-33-5

MDL number:MFCD00009891

EINECS number:206-717-7

RTECS number:None

BRN number:2206856

PubChem number:24856002

Physical property data

一 , physical property data


Traits :Colorless transparent liquid


Density (g/mL, 25/4): 1.246
Relative vapor density (g/mL, air=1)Not available

Melting point (ºC): 19-20


Boiling point (ºC, normal pressure):94-95
Boiling point (ºC, 5.2kPa): Not available

Refraction Rate: 1.4916


Flash Point (ºC): Not available


Optical rotation (º): Not available


Spontaneous combustion Point or ignition temperature (ºC): Not available


Steam Pressure (kPa, 25ºC): Not available


saturated Vapor pressure (kPa, 60ºC): Not available


Burn Heat (KJ/mol):Not available


Critical Temperature (ºC): Not available


Critical Pressure (KPa): Not available


oil and water Log value of the (octanol/water) partition coefficient:Not available


Explosion Upper limit (%, V/V): Not available


Explosion Lower limit (%, V/V): Not available


Dissolve Properties: Not available

Toxicological data

Two , Toxicological data:


Acute Toxicity:Not available .

Ecological data

Three , Ecological data:


1 , Other harmful effects: This substance may be harmful to the environment, and special treatment should be given to water bodies. Notice.

Molecular structure data

1. Molar refractive index: 36.26


2. Molar volume (m3/mol):129.3


3. isotonic specific volume (90.2K):306.7


4. Surface Tension (dyne/cm):31.5


5. Polarizability10-24cm3):14.37

Compute chemical data

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

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 1

5. Number of tautomers: 2

6. Topological molecule polar surface area 17.1

7. Number of heavy atoms: 11

8. Surface charge: 0

9. Complexity: 158

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

Properties and stability

None

Storage method

None

Synthesis method

None

Purpose

None

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/19833

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