Epoxy curing agent Knowledge heptafluorobutyric acid

heptafluorobutyric acid

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Heptafluorobutyric acid structural formula

Structural formula

Business number 04K1
Molecular formula C4HF7O2
Molecular weight 214.04
label

Edman’s Reagent No. 3,

Fluorobenzoic acid,

perfluorobutyric acid,

Edman Reagent No. 3,

HFBA,

Per fluorobutyric acid,

aliphatic compounds,

catalyst,

active agent,

acidifier

Numbering system

CAS number:375-22-4

MDL number:MFCD00004171

EINECS number:206-786-3

RTECS number:ET4025000

BRN number:1426882

PubChem ID:None

Physical property data

一 , physical property data


Traits :Colorless oily liquid


Density (g/mL,25/4): 1.651


Relative Vapor density (g/mL, air=1)7


Melting point (ºC): -17.5


Boiling point (ºC, normal pressure): 120


Boiling point (ºC, 5.2kPa): Not available


Refractive index: 1.295
Flash point (ºC): 120- 121

Optical rotation (º): Not available


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


Steam Pressure (kPa, 25ºC): Not available


Saturation 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 (octanol/water) partition coefficient:Not available


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


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


Dissolve Properties: Soluble in water, acetone, ether and petroleum ether, miscible in Benzene and carbon tetrachloride are insoluble in carbon disulfide.

Toxicological data

2. Toxicological data:


Acute Toxicity:Not available .

Ecological data

Three , Ecological data:


1 ,Other harmful effects: The Substances are harmful to the environment, and special attention should be paid to water pollution.

Molecular structure data

1. Molar refractive index: 23.18


2. Molar volume (m3/mol):127.4


3. isotonic specific volume (90.2K):264.9


4. Surface Tension (dyne/cm):18.6


5, Polarizability10-24cm3):9.19

Compute chemical data

None

Properties and stability

Colorless oily liquid. It has an odor similar to butyric acid. Sensitive to light. Easy to absorb moisture. Strongly acidic. It is miscible with water, acetone, diethyl ether and petroleum ether, soluble in benzene and carbon tetrachloride, and insoluble in carbon disulfide, mineral oil and heptane. Relative density 1.651. Freezing point -17.5℃. Boiling point 120℃ (97.99kPa). Refractive index 1.295. There is corrosion

Storage method

Seal with argon and store in a cool, dry place.

Synthesis method

None

Purpose

For biochemical research. Protein sequence analysis, organic synthesis, ester catalysts. active agent. Acidifier.

Resource:allhdi.com</a

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