FEMA NUMBER 3546
5-Ethyl-2-methylpyridine
CAS: 104-90-5
Molecular Formula: C8H11N
FEMA NUMBER 3546 - Names and Identifiers
| Name | 5-Ethyl-2-methylpyridine |
| Synonyms | FEMA 3546 FEMA NUMBER 3546 5-ETHYL-2-PICOLINE 5-Ethyl-2-picoline 2-Methyl-5-Ethylyridine 5-Ethyl-2-methylpyridine 5-ETHYL-2-METHYLPYRIDINE 2-Methyl-5-Ethylpyridine 2-METHYL-5-ETHYLPYRIDINE 2-Methyl-5-Ethyl Pyridine Pyridine, 5-ethyl-2-methyl- |
| CAS | 104-90-5 |
| EINECS | 203-250-0 |
| InChIKey | NTSLROIKFLNUIJ-UHFFFAOYSA-N |
FEMA NUMBER 3546 - Physico-chemical Properties
| Molecular Formula | C8H11N |
| Molar Mass | 121.18 |
| Density | 0.919 g/mL at 25 °C (lit.) |
| Melting Point | -70.9 °C |
| Boling Point | 178 °C (lit.) |
| Flash Point | 151°F |
| JECFA Number | 1318 |
| Water Solubility | practically insoluble |
| Solubility | 12.0g/l |
| Vapor Presure | 1.853hPa at 20℃ |
| Vapor Density | 4.2 (vs air) |
| Appearance | clear liquid |
| Specific Gravity | 0.921 (20/4℃) |
| Color | Colorless to Light orange to Yellow |
| Merck | 14,3844 |
| BRN | 109269 |
| pKa | pK1:6.51(+1) (20°C) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | n20/D 1.497(lit.) |
| Physical and Chemical Properties | Colorless to yellow liquid. Melting Point -70.9 °c. Boiling point 178 °c. |
| Use | For the pharmaceutical industry, for the preparation of nicotinic acid, nicotinamide, isoniazid, nicotidine, etc |
FEMA NUMBER 3546 - Risk and Safety
| Risk Codes | R20/22 - Harmful by inhalation and if swallowed. R34 - Causes burns R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2300 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | TJ6825000 |
| TSCA | Yes |
| HS Code | 29333990 |
| Hazard Note | Corrosive |
| Hazard Class | 6.1 |
| Packing Group | III |
FEMA NUMBER 3546 - Reference Information
| FEMA | 3546 | 5-ETHYL-2-METHYLPYRIDINE |
| LogP | 2.1 at 22℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | pharmaceutical intermediates. used in the pharmaceutical industry, for the preparation of nicotinic acid, nicotinamide, isoniazid, nicotidine, etc. |
| category | toxic substances |
| toxicity grade | high toxicity |
| Acute toxicity | oral-rat LD50: 368 mg/kg; Oral-mouse LD50: 282 mg/kg |
| stimulation data | Skin-rabbits 10 mg/24 h severe; eye-rabbit 0.25 mg severe |
| flammability hazard characteristics | open flame flammable; Thermally decomposed toxic nitrogen oxide gas |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from food raw materials and textiles |
| extinguishing agent | dry powder, carbon dioxide, sand, foam |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:04
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