3-Methylindole
SIAL/90961 - analytical standard
Synonym: 3-Methylindole; Skatole
CAS Number: 83-34-1
Empirical Formula (Hill Notation): C9H9N
Molecular Weight: 131.17
EC Number: 201-471-7
MDL Number: MFCD00005627
Linear Formula: C9H9N
Product Type: Chemical
| application(s) | cleaning products cosmetics flavors and fragrances food and beverages personal care |
| assay | ≥99.0% (GC) |
| bp | 265-266 °C (lit.) |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C9H9N/c1-7-6-10-9-5-3- |
| InChI key | ZFRKQXVRDFCRJG-UHFFFAOYSA |
| mp | 92-97 °C (lit.) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | Cc1c[nH]c2ccccc12 |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable |
| Application: | 3-Methylindole may be used as an analytical reference standard for the quantification of the analyte in the following: • Faeces intestinal contents, and bacterial cultures using gas chromatography with nitrogen-phosphorus detector (GC-NPD). • Adipose tissue of pigs using reversed-phase high-performance liquid chromatography with UV detection (RP-HPLC-UV). • Pit mud and baijiu (SAB) samples using gas chromatography-olfactomet |
| 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: | 3-Methylindole (3-MI), commonly found in wine, dairy products, and other foodstuffs, leads to an unpleasant fecal like odor in pig meat products. It is reported to be produced in the intestines of several species by the microbial degradation of tryptophan. |
| Symbol |  GHS09 |
| Hazard statements | H411 |
| Precautionary statements | P273 - P391 - P501 |
| Hazard Codes | Xi,N |
| Risk Statements | 36/37/38-51/53 |
| Safety Statements | 26-36-61 |
| RIDADR | UN3077 - class 9 - PG 3 - DOT/IATA UN3335 - Environmentally haza |
| WGK Germany | WGK 2 |
| Flash Point(F) | 269.6 °F |
| Flash Point(C) | 132 °C |
| Purity | ≥99.0% (GC) |
| bp | 265-266 °C (lit.) |
| mp | 92-97 °C (lit.) |
| UNSPSC | 85151701 |