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I1754

Sigma-Aldrich

Isobutyric acid

99%

Sinonimo/i:

2-Methylpropionic acid

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About This Item

Formula condensata:
(CH3)2CHCO2H
Numero CAS:
79-31-2
Peso molecolare:
88.11
Beilstein:
635770
Numero CE:
201-195-7
Numero MDL:
MFCD00002658
Codice UNSPSC:
12352100
ID PubChem:
24895944
NACRES:
NA.22

Densità del vapore

3.04 (vs air)

Tensione di vapore

1.5 mmHg ( 20 °C)

Saggio

99%

Forma fisica

liquid

Temp. autoaccensione

824 °F

Limite di esplosione

10 %

Indice di rifrazione

n20/D 1.393 (lit.)

P. eboll.

153-154 °C (lit.)

Punto di fusione

−47 °C (lit.)

Densità

0.95 g/mL at 25 °C (lit.)

Stringa SMILE

CC(C)C(O)=O

InChI

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

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Categorie correlate

Descrizione generale

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

Avvertenze

Danger

Indicazioni di pericolo

H226,H302,H311,H314

Classi di pericolo

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

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

131.0 °F - closed cup

Punto d’infiammabilità (°C)

55 °C - closed cup

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘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

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
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
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