W222208

Isobuttersäure

≥99%, FCC, FG

• Synonym(e): 2-Methyl-propionsäure
• Lineare Formel: (CH₃)₂CHCO₂H
• CAS-Nummer: 79-31-2
• Molekulargewicht: 88.11
• FEMA-Nummer: 2222
• Beilstein: 635770
• EG-Nummer: 201-195-7
• CoE-Nummer: 6
• MDL-Nummer: MFCD00002658
• UNSPSC-Code: 12164502
• PubChem Substanz-ID: 24900936
• Flavis-Nummer: 8.006
• NACRES: NA.21

Eigenschaften

• Biologische Quelle: synthetic
• Qualitätsniveau: 400
• Qualität: FG; Kosher
• Agentur: meets purity specifications of JECFA
• Einhaltung gesetzlicher Vorschriften: EU Regulation 1334/2008 & 872/2012; FCC; FDA 21 CFR 172.515
• Dampfdichte: 3.04 (vs air)
• Dampfdruck: 1.5 mmHg ( 20 °C)
• Assay: ≥99%
• Selbstzündungstemp.: 824 °F
• Expl.-Gr.: 10 %
• Brechungsindex: n20/D 1.393 (lit.)
• bp: 153-154 °C (lit.)
• mp (Schmelzpunkt): −47 °C (lit.)
• Dichte: 0.95 g/mL at 25 °C (lit.)
• Anwendung(en): flavors and fragrances
• Dokumentation: see Safety & Documentation for available documents
• Nahrungsmittelallergen: no known allergens
• Organoleptisch: butter; acidic; rancid
• SMILES String: CC(C)C(O)=O
• InChI: 1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
• InChIKey: KQNPFQTWMSNSAP-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Isobutyric acid is a volatile fatty acid that can be used as a flavoring agent. It occurs naturally in Ceratonia siliqua L. The gum obtained from the kernels of this species is used as a thickener in the food industry.

Anwendung

• Isobutyric acid enhances the anti-tumour effect of anti-PD-1 antibody.: This study presents groundbreaking research on how isobutyric acid can enhance the efficacy of anti-PD-1 antibodies, offering significant implications for improving cancer immunotherapy treatments (Murayama et al., 2024).

Biochem./physiol. Wirkung

Odor at 10 ppm

Taste at 15 ppm

Sonstige Hinweise

Natural occurrence: Roman chamomile, strawberry, dairy products.

Sicherheitshinweise

• Piktogramme: GHS02,GHS06,GHS05
• Signalwort: Danger
• H-Sätze: H226,H302,H311,H314
• P-Sätze: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
• Lagerklassenschlüssel: 3 - Flammable liquids
• WGK: WGK 1
• Flammpunkt (°F): 131.0 °F - closed cup
• Flammpunkt (°C): 55 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter