96499

Isobutyric acid

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

• Synonym(s): 2-Methylpropionic acid
• Linear Formula: (CH₃)₂CHCO₂H
• CAS Number: 79-31-2
• Molecular Weight: 88.11
• Beilstein/REAXYS Number: 635770
• EC Number: 201-195-7
• MDL number: MFCD00002658
• UNSPSC Code: 12352106
• PubChem Substance ID: 329770519
• NACRES: NA.24

Properties

• grade: certified reference material; TraceCERT^®
• Quality Level: 300
• vapor density: 3.04 (vs air)
• vapor pressure: 1.5 mmHg ( 20 °C)
• autoignition temp.: 824 °F
• shelf life: limited shelf life, expiry date on the label
• expl. lim.: 10 %
• manufacturer/tradename: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• storage condition: under inert gas
• technique(s): 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.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: neat
• storage temp.: −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

Description

General description

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.

Recommended products

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Legal Information

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

Safety Information

• pictograms: GHS02,GHS06,GHS05
• signalword: Danger
• hcodes: H226,H302,H311,H314
• pcodes: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 131.0 °F - closed cup
• flash_point_c: 55 °C - closed cup