97-72-3
Product Name:
Isobutyric anhydride
Formula:
C8H14O3
Synonyms:
2-Methylpropionic anhydride;Bis(2-methylpropionic acid) anhydride, 2-Methylpropionic anhydride;Isobutyric anhydride
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Isobutyric anhydride appears as a colorless liquid. Burns skin and eyes. Vapors are heavier than air. |
|---|---|
| Color/Form | LIQUID |
| Boiling Point | 181.5 °C @ 734 MM HG |
| Melting Point | -53.5 °C |
| Flash Point | 139 °F (NFPA, 2010) |
| Solubility | SOL IN ALL PROP IN ETHER |
| Density | 0.9535 @ 20 °C/4 °C |
| Vapor Pressure | 0.5 [mmHg] |
| Autoignition Temperature | 625 °F (329 °C) |
| Refractive Index | SADTLER REF NUMBER: 11317 (IR, PRISM), V516 (NMR); INDEX OF REFRACTION: 1.4061 AT 20 °C/D |
| Other Experimental Properties | DECOMP IN WATER & ALCOHOL |
| Chemical Classes | Other Classes -> Acid Anhydrides, Other |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 158.19 g/mol |
|---|---|
| XLogP3 | 2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 158.094294304 g/mol |
| Monoisotopic Mass | 158.094294304 g/mol |
| Topological Polar Surface Area | 43.4 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 141 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Isobutyric anhydride appears as a colorless liquid. Burns skin and eyes. Vapors are heavier than air.


