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Key Documents

Altri documenti

46935-U

Supelco

Isobutyric acid

analytical standard

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:
85151701
ID PubChem:
329757268
NACRES:
NA.24

Grado

analytical standard

Densità del vapore

3.04 (vs air)

Tensione di vapore

1.5 mmHg ( 20 °C)

CdA

current certificate can be downloaded

Temp. autoaccensione

824 °F

Limite di esplosione

10 %

Confezionamento

ampule of 500 mg

tecniche

HPLC: suitable
gas chromatography (GC): suitable

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.)

applicazioni

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

Formato

neat

Temperatura di conservazione

2-30°C

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

Applicazioni

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
LRAD2515
LRAC9818
LRAC4252
LRAB9352
LRAB6874

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Se hai bisogno di una versione specifica, puoi cercare il certificato tramite il numero di lotto.

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Isobutyric acid natural, ≥99%, FCC, FG

Sigma-Aldrich

W222216

Isobutyric acid

2-Methylbutyric acid analytical standard

Supelco

49659

2-Methylbutyric acid

6-[Fluorescein-5(6)-carboxamido]hexanoic acid suitable for fluorescence, ≥90% (HPCE)

Sigma-Aldrich

46935

6-[Fluorescein-5(6)-carboxamido]hexanoic acid

Isobutyric acid for synthesis

Sigma-Aldrich

8.00472

Isobutyric acid

4-Methylvaleric acid 99%

Sigma-Aldrich

277827

4-Methylvaleric acid

trans-2-Pentenal ≥95%, FG

Sigma-Aldrich

W321818

trans-2-Pentenal

Isovaleric acid 99%

Sigma-Aldrich

129542

Isovaleric acid

2-Ethylbutyric acid 99%

Sigma-Aldrich

109959

2-Ethylbutyric acid

A synthetic metabolic pathway for production of the platform chemical isobutyric acid.
Kechun Zhang et al.
ChemSusChem, 4(8), 1068-1070 (2011-07-12)
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
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Separation of Propionic acid; Acetic acid; Heptanoic acid; Isobutyric acid; Valeric acid; Isocaproic acid; Butyric acid; Isovaleric acid

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Separation of Methyl oleate; Caprylic acid; Heptanoic acid; Methyl decanoate; Methyl dodecanoate; Myristic acid; Methyl palmitate; Methyl palmitoleate; Methyl stearate; Methyl linoleate; Methyl linolenate; Acetic acid; Arachidic acid; Behenic acid; Propionic acid; Isobutyric acid; Valeric acid; Isovaleric acid; Isocaproic acid; Butyric acid

Protocolli

GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber

In this study, SPME was used for the analysis of free fatty acids in Parmesan cheese using a 65 μm Carbowax/divinylbenzene (DVB) SPME fiber. Headspace extraction of the cheese sample was conducted at 65 °C for 15 minutes and analyzed by GC with FID detection. SPME is ideal for analyzing the volatiles associated with solid food samples. The phase chemistry of the Nukol GC column provides excellent peak shape of acidic compounds.

GC Analysis of Fermentation Compounds on a Packed Column (6.6% Carbowax® 20M on 80/120 Carbopack™ B AW)

Separation of Acetone; Acetic acid; Propionic acid; Ethyl butyrate; Ethanol; Isoamyl acetate; Isobutyric acid; 3-Methyl-2-butanol; Methyl acetate; 1-Propanol; Acetal, ≥98%, FG; 2-Methyl-1-pentanol; Butyl acetate; Ethyl propionate; 3-Pentanol; 2-Pentanol, 98%; Ethyl isobutyrate; Isobutyl acetate; Acetaldehyde; Furfural; Butyric acid; Methanol; Ethyl acetate

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