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Merck
모든 사진(1)

주요 문서

96499

Supelco

Isobutyric acid

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

동의어(들):

2-Methylpropionic acid

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About This Item

Linear Formula:
(CH3)2CHCO2H
CAS Number:
Molecular Weight:
88.11
Beilstein:
635770
EC Number:
MDL number:
UNSPSC 코드:
12352106
PubChem Substance ID:
NACRES:
NA.24

Grade

certified reference material

Quality Level

vapor density

3.04 (vs air)

vapor pressure

1.5 mmHg ( 20 °C)

grade

TraceCERT®

autoignition temp.

824 °F

유통기한

limited shelf life, expiry date on the label

expl. lim.

10 %

제조업체/상표

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

저장 조건

under inert gas

기술

gas chromatography (GC): suitable

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.)

응용 분야

cleaning products
cosmetics
food and beverages
personal care

형식

neat

저장 온도

−20°C

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

유사한 제품을 찾으십니까? 방문 제품 비교 안내

일반 설명

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

추천 제품

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

법적 정보

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

픽토그램

FlameSkull and crossbonesCorrosion

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point (°F)

131.0 °F - closed cup

Flash Point (°C)

55 °C - closed cup


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시험 성적서(COA)

Lot/Batch Number

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문서 라이브러리 방문

Tingxu Yan et al.
International journal of biological macromolecules, 144, 427-440 (2019-12-22)
The present study aimed to evaluate the antidepressant-like effect of a polysaccharide (OP), which is isolated from okra (Abelmoschus esculentus (L) Moench), in CUMS-induced mice and its possible mechanisms. OPT, FST and TST were employed to examine the anxiety and

문서

Separation of Propionic acid; Acetic acid; Heptanoic acid; Isobutyric acid; Valeric acid; Isocaproic acid; Butyric acid; Isovaleric acid

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

프로토콜

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.

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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