Isoprene
SIAL/59240 - analytical standard
Synonym: 2-
CAS Number: 78-79-5
Empirical Formula (Hill Notation): C5H8
Molecular Weight: 68.12
EC Number: 201-143-3
MDL Number: MFCD00008600
Linear Formula: CH2=CHC(CH3)=CH2
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental food and beverages personal care petroleum |
| assay | ≥99.5% (GC) |
| autoignition temp. | 428 °F |
| bp | 34 °C (lit.) |
| contains | ~0.02% 4-tert-butylcatechol as stabilizer |
| density | 0.681 g/mL at 20 °C |
| 0.681 g/mL at 25 °C (lit.) | |
| expl. lim. | 10 % |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C5H8/c1-4-5(2)3/h4H,1- |
| InChI key | RRHGJUQNOFWUDK-UHFFFAOYSA |
| mp | −146 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | CC(=C)C=C |
| storage temp. | 2-8°C |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 2.35 (vs air) |
| vapor pressure | 8.82 psi ( 20 °C) |
| Application: | 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. |
| Application: | Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. |
| General description: | Isoprene is a reactive aliphatic hydrocarbon that originates as a byproduct of cholesterol synthesis. |
| General description: | 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 |
| Recommended products: | 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 . |
| Symbol |   GHS02,GHS08 |
| Signal word | Danger |
| Hazard statements | H224 - H341 - H350 - H412 |
| Precautionary statements | P202 - P210 - P233 - P273 - P308 + P313 - P403 + P233 |
| Hazard Codes | F+,T,N |
| Risk Statements | 45-12-51/53-68 |
| Safety Statements | 53-45-61 |
| RIDADR | UN1218 - class 3 - PG 1 - Isoprene, stabilized |
| WGK Germany | WGK 3 |
| Flash Point(F) | -65.2 °F - closed cup |
| Flash Point(C) | -54 °C - closed cup |
| Purity | ≥99.5% (GC) |
| bp | 34 °C (lit.) |
| mp | −146 °C (lit.) |
| Density | 0.681 g/mL at 20 °C; 0.681 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| Storage Temp. | 2-8°C |
| UNSPSC | 41116107 |