96499

Isobutyric acid

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

• Sinonimo/i: 2-Methylpropionic acid
• 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: 12352106
• ID PubChem: 329770519
• NACRES: NA.24

Proprietà

• Grado: certified reference material; TraceCERT^®
• Livello qualitativo: 300
• Densità del vapore: 3.04 (vs air)
• Tensione di vapore: 1.5 mmHg ( 20 °C)
• Temp. autoaccensione: 824 °F
• Durata: limited shelf life, expiry date on the label
• Limite di esplosione: 10 %
• Produttore/marchio commerciale: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• Condizioni di stoccaggio: under inert gas
• tecniche: gas chromatography (GC): suitable
• Indice di rifrazione: n20/D 1.393 (lit.)
• P. ebollizione: 153-154 °C (lit.)
• Punto di fusione: −47 °C (lit.)
• Densità: 0.95 g/mL at 25 °C (lit.)
• applicazioni: cleaning products; cosmetics; food and beverages; personal care
• Formato: neat
• Temperatura di conservazione: −20°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

Descrizione

Descrizione generale

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.

Prodotti consigliati

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.

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS02,GHS06,GHS05
• Avvertenze: Danger
• Indicazioni di pericolo: H226,H302,H311,H314
• Consigli di prudenza: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• 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