Toluene diisocyanate manufacturer Knowledge Heptafluorobutyric anhydride

Heptafluorobutyric anhydride

Heptafluorobutyric anhydride structural formula

Structural formula

Business number 04AD
Molecular formula C8F14O3
Molecular weight 410.06
label

perfluorobutyric anhydride,

Heptafluorobutyric anhydride,

perfluorobutyric anhydride,

1,1,2,2,3,3,3-Heptafluorobutanoic anhydride,

Butanoic acid, heptafluoro-, anhydride,

Butanoic acid,heptafluoro-,anhydride,

Heptafluorobutanoic anhydride,

heptafluoro-butanoicacianhydride,

BIS(HEPTAFLUORO-N-BUTYRIC) ANHYDRIDE,

HFAA,

HEPTAFLUOROBUTYRIC ACID ANHYDRI

Numbering system

CAS number:336-59-4

MDL number:MFCD00000432

EINECS number:206-410-8

RTECS number:None

BRN number:856036

PubChem number:24859995

Physical property data

一 , physical property data


Traits :Colorless transparent liquid.


Density (g/mL,25/4): 1.653


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


Melting point (ºC):-43


Boiling point (ºC, normal pressure): 111


Boiling point (ºC, 5.2kPa): Not available


Refraction Rate: 1.2870


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


Solubility: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:43.00


2. Molar volume (m3/mol):237.7


3. Isotonic specific volume (90.2K): 483.8


4, Surface tension (dyne/cm):17.1


5. Polarizability10 -24cm3):17.04

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): 4.8

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 17

4. Number of rotatable chemical bonds: 6

5. Number of tautomers: none

6. Topological molecule polar surface area 43.4

7. Number of heavy atoms: 25

8. Surface charge: 0

9. Complexity: 493

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

This product should be sealed in ampoules or sealed and stored dry.


Synthesis method

None yet

Purpose

None yet

Resource:allhdi.com

This article is from the Internet, does not represent the position of Toluene diisocyanate reproduced please specify the source.https://www.allhdi.com/archives/48916

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