59240

Isoprene

analytical standard

• Sinônimo(s): 2-Methyl-1,3-butadiene
• Fórmula linear: CH₂=CHC(CH₃)=CH₂
• Número CAS: 78-79-5
• Peso molecular: 68.12
• Beilstein: 969158
• Número CE: 201-143-3
• Número MDL: MFCD00008600
• Código UNSPSC: 41116107
• ID de substância PubChem: 329758612
• NACRES: NA.24

Propriedades

• grau: analytical standard
• Nível de qualidade: 100
• densidade de vapor: 2.35 (vs air)
• pressão de vapor: 8.82 psi ( 20 °C)
• Ensaio: ≥99.5% (GC)
• temperatura de autoignição: 428 °F
• prazo de validade: limited shelf life, expiry date on the label
• contém: ~0.02% 4-tert-butylcatechol as stabilizer
• Lim. expl.: 10 %
• técnica(s): HPLC: suitable; gas chromatography (GC): suitable
• índice de refração: n20/D 1.422 (lit.); n20/D 1.422
• p.e.: 34 °C (lit.)
• pf: −146 °C (lit.)
• densidade: 0.681 g/mL at 20 °C; 0.681 g/mL at 25 °C (lit.)
• aplicação(ões): cleaning products; cosmetics; environmental; food and beverages; personal care; petroleum
• Formato: neat
• temperatura de armazenamento: 2-8°C
• cadeia de caracteres SMILES: CC(=C)C=C
• InChI: 1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3
• chave InChI: RRHGJUQNOFWUDK-UHFFFAOYSA-N

Descrição

Descrição geral

Isoprene is a reactive aliphatic hydrocarbon that originates as a byproduct of cholesterol synthesis.

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Aplicação

Isoprene may be used as an analytical reference standard for the quantification of the analyte in human breath samples using substrate-integrated hollow waveguide mid-infrared sensors and thermal desorption gas chromatography with ultraviolet detection.

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

Produtos recomendados

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.

Informações de segurança

• Pictogramas: GHS02,GHS08
• Palavra indicadora: Danger
• Frases de perigo: H224,H341,H350,H412
• Declarações de precaução: P202 - P210 - P233 - P273 - P308 + P313 - P403 + P233
• Classificações de perigo: Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2
• Código de classe de armazenamento: 3 - Flammable liquids
• Classe de risco de água (WGK): WGK 3
• Ponto de fulgor (°F): -65.2 °F - closed cup
• Ponto de fulgor (°C): -54 °C - closed cup
• Equipamento de proteção individual: Eyeshields, Faceshields, Gloves