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isobutyric acid anhydride

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Origin: China

Cas No: 97-72-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 97-72-3 Formula: C8H14O3 Molecular Weight: 158.19500

Description

Isobutyric Anhydride is used as a highly reactive and non-water producing acyl donor for hydrolase-catalyzed enantioselective esterification.

Basic Info

Chemical Name	isobutyric acid anhydride
Synonyms	Propanoic acid, 2-methyl-, anhydride; Isobutyric anhydride; 2-methylpropanoyl 2-methylpropanoate;
CAS No.	97-72-3
Molecular Formula	C8H14O3
Molecular Weight	158.19500
PSA	43.37000
LogP	1.36820

Properties

Appearance & Physical State	clear liquid
Density	0.954
Boiling Point	182ºC
Melting Point	-53ºC
Flash Point	66.4ºC
Refractive Index	1.405-1.407
Water Solubility	decomposes
Storage Condition	Store at 0ºC
Vapor Density	5.45 (vs air)
Vapor Pressure	10 mm Hg ( 67 °C)

Safety Info

RTECS	NQ5550000
Hazard Class	8
Safety Statements	S26-S36/37/39-S45
HS Code	2915900090
WGK Germany	3
Packing Group	II
RIDADR	2922
Risk Statements	R21/22; R34
Hazard Codes	C

Synthesis Route

Benzoyl chloride+isobutyric acid→benzoic isobutyric anhydride+isobutyric acid anhydride
isobutyric acid→isobutyric acid anhydride
isobutyraldehyde→isobutyric acid anhydride

Precursor

Isobutyryl chloride
isobutyric acid
4-Methyl-3-penten-2-one
Acetic anhydride

Downstream Product

2-(2-methylprop-1-enyl)furan
2-Methyl-3-pentanone
3-(Methoxymethylene)-2(3H)-benzofuranone
(4-fluorophenyl) 2-methylpropanoate

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