Polyether_Polyether Polyol Knowledge 2H-Heptafluoropropane

2H-Heptafluoropropane

2H-Heptafluoropropane Structural Formula

Structural formula

Business number 04T3
Molecular formula C3HF7
Molecular weight 190.03
label

Heptafluoropropane,

1,1,1,2,3,3,3-Heptafluoropropane,

Hydrofluorocarbon 227EA,

1,1,1,2,3,3,3-Heptafluoropropane,

apaflurane,

HEPTAFLUOROPROPANE,

hfc-227ea,

1,1,1,2,3,3,3-HEPTAFLUOROPROPANE,

2H-HEPTAFLUOROPROPANE,

1,1,1,2,3,3,3-heptafluoro-propan,

2H-perfluoropropane,

2-hydroheptafluoropropane,

2-hydroperfluoropropane

Numbering system

CAS number:431-89-0

MDL number:None

EINECS number:207-079-2

RTECS number:None

BRN number:None

PubChem ID:None

Physical property data

一 , physical property data


Traits :At normal temperature and pressure, it is Colorless, almost odorless, non-conductive gas


Density (g/mL,25/4): 1.403


Relative Vapor density (g/mL, air=1)Not available


Melting point (ºC):-131.1


Boiling point (ºC, normal pressure): -16.4


Boiling point (ºC, 5.2kPa): Not available


Refraction Rate: Not available


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:16.98


2 Molar volumem3/mol)116.6


3 Isotonic specific volume (90.2K):205.6


4 Surface tensiondyne/cm)9.6


5 Polarizability(10-24cm3 6.73

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 2.9

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 7

4. Number of rotatable chemical bonds: 0

5. Number of tautomers: None

6. Topological molecule polar surface area 0

7. Number of heavy atoms: 10

8. Surface charge: 0

9. Complexity: 93

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 yet

Storage method

None yet

Synthesis method

None yet

Purpose

Due to its high fire-extinguishing efficiency and low toxicity, it is non-destructive to the atmospheric ozone layer and is safe for use There is no contamination at the site, it is believed to be Halon1301 An ideal alternative, has been listed by the National Fire Protection AssociationNFPA2001 Standard for fire-extinguishing supplies. In addition, heptafluoropropane is also used as a refrigerant and medical propellant.

Resource:allhdi.com

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/20913

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