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I1754

Sigma-Aldrich

Isobutyric acid

99%

Synonyme(s) :

2-Methylpropionic acid

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About This Item

Formule linéaire :
(CH3)2CHCO2H
Numéro CAS:
79-31-2
Poids moléculaire :
88.11
Numéro Beilstein :
635770
Numéro CE :
201-195-7
Numéro MDL:
MFCD00002658
Code UNSPSC :
12352100
ID de substance PubChem :
24895944
Nomenclature NACRES :
NA.22

Densité de vapeur

3.04 (vs air)

Niveau de qualité

100

Pression de vapeur

1.5 mmHg ( 20 °C)

Pureté

99%

Forme

liquid

Température d'inflammation spontanée

824 °F

Limite d'explosivité

10 %

Indice de réfraction

n20/D 1.393 (lit.)

Point d'ébullition

153-154 °C (lit.)

Pf

−47 °C (lit.)

Densité

0.95 g/mL at 25 °C (lit.)

Chaîne SMILES 

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

Clé InChI

KQNPFQTWMSNSAP-UHFFFAOYSA-N

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Description générale

Isobutyric acid is a carboxylic acid used as a building block in the production of active pharmaceutical ingredients (APIs).

Pictogrammes

FlameSkull and crossbonesCorrosion
GHS02,GHS06,GHS05

Mention d'avertissement

Danger

Mentions de danger

H226,H302,H311,H314

Classification des risques

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

131.0 °F - closed cup

Point d'éclair (°C)

55 °C - closed cup

Équipement de protection individuelle

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Isobutyric acid natural, ≥99%, FCC, FG

Sigma-Aldrich

W222216

Isobutyric acid

2-Methylbutyric acid 98%

Sigma-Aldrich

193070

2-Methylbutyric acid

Isobutyl isobutyrate United States Pharmacopeia (USP) Reference Standard

USP

1347835

Isobutyl isobutyrate

Isobutyric-d7 acid 98 atom % D, 99% (CP)

Sigma-Aldrich

632007

Isobutyric-d7 acid

A Vyalikh et al.
Physical chemistry chemical physics : PCCP, 9(18), 2249-2257 (2007-05-10)
Solid state deuterium NMR has been used to study the molecular motion of d(6)-isobutyric acid (d(6)-iBA) in the pure (unconfined) state and confined in the cylindrical pores of two periodic mesoporous silica materials (MCM-41, pore size 3.3 nm and SBA-15
E M Faed et al.
Clinical and experimental pharmacology & physiology, 5(2), 195-198 (1978-03-01)
1. Two main conjugates of CPIB (2-[chlorophenoxy]-2-methylpropionic acid) are present in the urine of subjects taking clofibrate. The metabolites can be separated by thin-layer chromatography (TLC). 2. Both conjugates are hydrolysed by dilute alkali, but only one is hydrolysed by
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
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
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
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