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  8. Isobutyric anhydride, 97%

Isobutyric anhydride, 97%

Product Code. 11397976
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Product Code. 11397976 Supplier Thermo Scientific Alfa Aesar Supplier No. L13240.AE
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Description

CAS: 97-72-3 | C8H14O3 | 158.197 g/mol

Isobutyric anhydride is used in the preparation of 4-O-isobutyryl derivative by reacting with octyl beta-D-glucopyranoside using C2-symmetric chiral 4-pyrrolidinopyridine as a catalyst. It acts as a starting material for esters like sucrose acetate isobutyrate, dyes and agrochemicals. It finds application as fragrance intermediate and flavorings.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Isobutyric anhydride is used in the preparation of 4-O-isobutyryl derivative by reacting with octyl beta-D-glucopyranoside using C2-symmetric chiral 4-pyrrolidinopyridine as a catalyst. It acts as a starting material for esters like sucrose acetate isobutyrate, dyes and agrochemicals. It finds application as fragrance intermediate and flavorings.

Solubility
Miscible with water and ether.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents and strong bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 97-72-3
Molecular Formula C8H14O3
Molecular Weight (g/mol) 158.197
MDL Number MFCD00008913
InChI Key LSACYLWPPQLVSM-UHFFFAOYSA-N
Synonym isobutyric anhydride, isobutyric acid anhydride, propanoic acid, 2-methyl-, anhydride, 2-methylpropanoic anhydride, isobutyricanhydride, isobutyryl anhydride, 2-methylpropionic anhydride, unii-n85a80fjdt, n85a80fjdt, 2-methylpropanoic acid anhydride
PubChem CID 7346
ChEBI CHEBI:84261
IUPAC Name 2-methylpropanoyl 2-methylpropanoate
SMILES CC(C)C(=O)OC(=O)C(C)C

Specifications

Melting Point -56°C
Density 0.954
Boiling Point 182°C
Flash Point 67°C (152°F)
Odor Pungent
Refractive Index 1.406
Quantity 100 mL
UN Number UN2922
Beilstein 386267
Sensitivity Moisture sensitive
Solubility Information Miscible with water and ether.
Formula Weight 158.2
Percent Purity 97%
Chemical Name or Material Isobutyric anhydride
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Safety and Handling

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Product Identifier
  • Isobutyric anhydride
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 3
  • Serious eye damage/eye irritation Category 1
  • Skin corrosion/irritation Category 1 B
 Hazard Statement
  • H311-Toxic in contact with skin.
  • H314-Causes severe skin burns and eye damage.
  • H318-Causes serious eye damage.
  • H331-Toxic if inhaled.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contain: Isobutyric anhydride
SDS

RUO – Research Use Only

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