I1754
Isobutyric acid
99%
Synonym(s):
2-Methylpropionic acid
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About This Item
Linear Formula:
(CH3)2CHCO2H
CAS Number:
Molecular Weight:
88.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
201-195-7
Beilstein/REAXYS Number:
635770
MDL number:
Assay:
99%
Form:
liquid
vapor density
3.04 (vs air)
Quality Level
vapor pressure
1.5 mmHg ( 20 °C)
assay
99%
form
liquid
autoignition temp.
824 °F
expl. lim.
10 %
refractive index
n20/D 1.393 (lit.)
bp
153-154 °C (lit.)
mp
−47 °C (lit.)
density
0.95 g/mL at 25 °C (lit.)
SMILES string
CC(C)C(O)=O
InChI
1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key
KQNPFQTWMSNSAP-UHFFFAOYSA-N
General description
Isobutyric acid is a carboxylic acid used as a building block in the production of active pharmaceutical ingredients (APIs).
Application
Isobutyric acid can be used:
- to synthesize butyl isobutyrate via esterification with n-butanol using lipases
- as a precursor for Methacrylic acid (MAA) through catalytic oxidative dehydrogenation. It can be produced through fermentative pathways
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
flash_point_f
131.0 °F - closed cup
flash_point_c
55 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Livia H Morais et al.
Current biology : CB, 30(19), 3761-3774 (2020-08-22)
Birth by Caesarean (C)-section impacts early gut microbiota colonization and is associated with an increased risk of developing immune and metabolic disorders. Moreover, alterations of the microbiome have been shown to affect neurodevelopmental trajectories. However, the long-term effects of C-section
Kimberlee S Mix et al.
Molecular pharmacology, 65(2), 309-318 (2004-01-27)
Matrix metalloproteinases (MMPs) degrade extracellular matrix components, and overexpression of these enzymes contributes to tissue destruction in arthritis. Of particular importance are the collagenases, MMP-1 and MMP-13, which have high activity against the interstitial collagens in cartilage. In this study
Julia Biermann et al.
Molecular vision, 17, 395-403 (2011-02-12)
Histone deacetylase inhibitors (HDACi) have neuroprotective effects under various neurodegenerative conditions, e.g., after optic nerve crush (ONC). HDACi-mediated protection of central neurons by increased histone acetylation has not previously been demonstrated in rat retinal ganglion cells (RGCs), although epigenetic changes