78651

Isovaleriansäure

analytical standard

• Synonym(e): 3-Methylbuttersäure
• Lineare Formel: (CH₃)₂CHCH₂COOH
• CAS-Nummer: 503-74-2
• Molekulargewicht: 102.13
• Beilstein: 1098522
• EG-Nummer: 207-975-3
• MDL-Nummer: MFCD00002726
• UNSPSC-Code: 85151701
• PubChem Substanz-ID: 329768168
• NACRES: NA.24

Eigenschaften

• Qualität: analytical standard
• Qualitätsniveau: 100
• Dampfdruck: 0.38 mmHg ( 20 °C)
• Assay: ≥98.5% (GC)
• Selbstzündungstemp.: 824 °F
• Haltbarkeit: limited shelf life, expiry date on the label
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• Verunreinigungen: ≤0.3% water
• Brechungsindex: n20/D 1.402-1.404; n20/D 1.403 (lit.)
• bp: 175-177 °C (lit.)
• mp (Schmelzpunkt): −29 °C (lit.)
• Dichte: 0.925 g/mL at 20 °C (lit.)
• Anwendung(en): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• Format: neat
• SMILES String: CC(C)CC(O)=O
• InChI: 1S/C5H10O2/c1-4(2)3-5(6)7/h4H,3H2,1-2H3,(H,6,7)
• InChIKey: GWYFCOCPABKNJV-UHFFFAOYSA-N

Beschreibung

Anwendung

Isovaleric acid may be used as an analytical reference standard for the quantification of the analyte in the following:

• Rose apple (Syzygium jambos Alston) fruit using gas chromatography with flame ionization detection (GC-FID), mass spectrometry (GC-MS) and olfactometry/aroma extract dilution analysis (GC-O/AEDA).
• Sicilian goat cheese using gas chromatography with flame ionization detection (GC-FID) and mass spectrometry (GC-MS).
• Food products using gas chromatography with flame ionization detection (GC-FID).

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

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H314
• P-Sätze: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Gefahreneinstufungen: Eye Dam. 1 - Skin Corr. 1B
• Lagerklassenschlüssel: 8A - Combustible corrosive hazardous materials
• WGK: WGK 1
• Flammpunkt (°F): 176.0 °F - Pensky-Martens closed cup
• Flammpunkt (°C): 80 °C - Pensky-Martens closed cup