Heptafluorobutanoic anhydride

Basic Information

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CAS Number

336-59-4

Molecular Formula

C8F14O3

Molecular Weight

410.06 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Esters

Basic Chemical Raw Materials Organic Chemicals Ethers

Fine Chemicals Specialty Chemicals UV Stabilizers

Basic Physical Properties

Melting Point

−43 °C

Boiling Point

108-110 °C

Flash Point

None

Solubility

Miscible with halogenated solvents. Immiscible with polar solvents.

Refractive Index

n20/D 1.287(lit.)

SMILES

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C(=O)(C(C(C(F)(F)F)(F)F)(F)F)OC(=O)C(C(C(F)(F)F)(F)F)(F)F

InChI

InChI=1S/C8F14O3/c9-3(10,5(13,14)7(17,18)19)1(23)25-2(24)4(11,12)6(15,16)8(20,21)22

InChIKey

UFFSXJKVKBQEHC-UHFFFAOYSA-N

LogP

3.721999999999999

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

493

Safety Information

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GHS Hazard Pictograms

H314

Hazard Statement

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Hygroscopic

Synonyms & References

English

BCP22497
Perfluorobutanoic anhydride
Heptafluorobutyric anhydride, derivitization grade
FS-4009
DTXSID10861881
AMY39378
Heptafluorobutanoic anhydride
J-019286
FT-0626907
Heptafluorobutyric anhydride, for GC derivatization, >=99.0%
D78366
CS-B0897
2,2,3,3,4,4,4-heptafluorobutanoyl 2,2,3,3,4,4,4-heptafluorobutanoate
C8F14O3
H0337
1,1,2,2,3,3,3-Heptafluorobutanoic anhydride #
UNII-H5L67KPX9Z
Heptafluorobutyric anhydride
1-(4-Chlorobenzenesulfonyl)-3,3-dimethylbutane-2-one
336-59-4
HEPTAFLUOROBUTYRYL ANHYDRIDE
EINECS 206-410-8
SCHEMBL207310
Q27119860
H5L67KPX9Z
heptafluorobutyric acid anhydride
2,2,3,3,4,4,4-heptafluorobutanoicanhydride
NS00019367
AKOS000310053
Heptafluoro-n-butyric anhydride
Butanoic acid, 2,2,3,3,4,4,4-heptafluoro-, 1,1'-anhydride

MDL Number

MFCD00000432

Customs Code

29159080

FAQ

What are the physical and chemical properties of Heptafluorobutanoic anhydride (CAS: 336-59-4)?

Heptafluorobutanoic anhydride (CAS: 336-59-4) is a crystalline compound with a molecular weight of approximately 232.07 g/mol. It is highly soluble in organic solvents but has limited solubility in water. This anhydride is known for its strong reactivity towards amines and nucleophiles. It exhibits high stability under normal conditions but can react with moisture and amines to form heptafluorobutan-3-ol and fluoride ions.

How is heptafluorobutanoic anhydride (CAS: 336-59-4) typically synthesized?

Heptafluorobutanoic anhydride (CAS: 336-59-4) is typically synthesized by the condensation of heptafluorobutanoic acid with itself in the presence of a suitable catalyst like anhydrous aluminum chloride. This reaction is exothermic and requires careful temperature control to achieve high yield and selectivity. The product is isolated by distillation under reduced pressure.

What industries use heptafluorobutanoic anhydride (CAS: 336-59-4)?

Heptafluorobutanoic anhydride (CAS: 336-59-4) is primarily used in the pharmaceutical industry for the synthesis of fluorinated compounds with potential medicinal applications. It is also used in the polymer industry for modifying polymers to improve their stability and fluorination properties. Additionally, it has applications in the production of sensors and semiconductors where its reactivity and fluorine content are advantageous.

What precautions should be taken when handling heptafluorobutanoic anhydride (CAS: 336-59-4)?

When handling heptafluorobutanoic anhydride (CAS: 336-59-4), it is essential to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. This compound should be handled in a well-ventilated area or a fume hood to minimize inhalation risks. Spills should be cleaned up carefully using appropriate absorbents and disposing of them according to local regulations. Safety data sheets (SDS) should be consulted for detailed handling and disposal procedures.