96499

Isobutyric acid

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

• Synonim(y): 2-Methylpropionic acid
• Wzór liniowy: (CH₃)₂CHCO₂H
• Numer CAS: 79-31-2
• Masa cząsteczkowa: 88.11
• UNSPSC Code: 12352106
• NACRES: NA.24
• PubChem Substance ID: 329770519
• EC Number: 201-195-7
• Beilstein/REAXYS Number: 635770
• MDL number: MFCD00002658

Właściwości

• Quality Segment: 300
• vapor density: 3.04 (vs air)
• vapor pressure: 1.5 mmHg ( 20 °C)
• grade: certified reference material, TraceCERT^®
• 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

Opis

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.

Other Notes

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.

Legal Information

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

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Informacja o środkach bezpieczeństwa

• 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
• Klasa składowania: 3 - Flammable liquids
• wgk: WGK 1
• flash_point_f: 131.0 °F - closed cup
• flash_point_c: 55 °C - closed cup