59240

Isoprene

analytical standard

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

Propiedades

• grado: analytical standard
• Nivel de calidad: 100
• densidad de vapor: 2.35 (vs air)
• presión de vapor: 8.82 psi ( 20 °C)
• Ensayo: ≥99.5% (GC)
• temp. de autoignición: 428 °F
• caducidad: limited shelf life, expiry date on the label
• contiene: ~0.02% 4-tert-butylcatechol as stabilizer
• lim. expl.: 10 %
• técnicas: HPLC: suitable; gas chromatography (GC): suitable
• índice de refracción: n20/D 1.422 (lit.); n20/D 1.422
• bp: 34 °C (lit.)
• mp: −146 °C (lit.)
• densidad: 0.681 g/mL at 20 °C; 0.681 g/mL at 25 °C (lit.)
• aplicaciones: cleaning products; cosmetics; environmental; food and beverages; personal care; petroleum
• Formato: neat
• temp. de almacenamiento: 2-8°C
• cadena SMILES: CC(=C)C=C
• InChI: 1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3
• Clave InChI: RRHGJUQNOFWUDK-UHFFFAOYSA-N

Descripción

Descripción general

Isoprene is a reactive aliphatic hydrocarbon[1] that originates as a byproduct of cholesterol synthesis.[2]

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

Aplicación

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[2] and thermal desorption gas chromatography with ultraviolet detection.[3]

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

Productos 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.

Información de seguridad

• Pictogramas: GHS02,GHS08
• Palabra de señalización: Danger
• Frases de peligro: H224,H341,H350,H412
• Consejos de prudencia: P202 - P210 - P233 - P273 - P308 + P313 - P403 + P233
• Clasificaciones de peligro: Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2
• Código de clase de almacenamiento: 3 - Flammable liquids
• Clase de riesgo para el agua (WGK): WGK 3
• Punto de inflamabilidad (°F): -65.2 °F - closed cup
• Punto de inflamabilidad (°C): -54 °C - closed cup
• Equipo de protección personal: Eyeshields, Faceshields, Gloves