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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)

Livello qualitativo

100

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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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

Ritu Lal et al.
The Journal of pharmacology and experimental therapeutics, 330(3), 911-921 (2009-06-09)
Baclofen is a racemic GABA(B) receptor agonist that has a number of significant pharmacokinetic limitations, including a narrow window of absorption in the upper small intestine and rapid clearance from the blood. Arbaclofen placarbil is a novel transported prodrug of
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
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
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
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