Introduction:Basic information about CAS 104-90-5|5-Ethyl-2-methylpyridine, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 5-Ethyl-2-methylpyridine |
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| CAS Number | 104-90-5 | Molecular Weight | 121.180 |
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| Density | 0.9±0.1 g/cm3 | Boiling Point | 176.0±9.0 °C at 760 mmHg |
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| Molecular Formula | C8H11N | Melting Point | -70.9 °C |
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| MSDS | ChineseUSA | Flash Point | 66.1±0.0 °C |
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| Symbol | GHS05, GHS06 | Signal Word | Danger |
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Names
| Name | 5-Ethyl-2-methylpyridine |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 0.9±0.1 g/cm3 |
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| Boiling Point | 176.0±9.0 °C at 760 mmHg |
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| Melting Point | -70.9 °C |
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| Molecular Formula | C8H11N |
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| Molecular Weight | 121.180 |
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| Flash Point | 66.1±0.0 °C |
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| Exact Mass | 121.089149 |
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| PSA | 12.89000 |
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| LogP | 2.18 |
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| Vapour density | 4.2 (vs air) |
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| Vapour Pressure | 1.5±0.3 mmHg at 25°C |
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| Index of Refraction | 1.500 |
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| InChIKey | NTSLROIKFLNUIJ-UHFFFAOYSA-N |
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| SMILES | CCc1ccc(C)nc1 |
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| Stability | Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents. |
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| Water Solubility | practically insoluble |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- TJ6825000
- CHEMICAL NAME :
- 2-Picoline, 5-ethyl-
- CAS REGISTRY NUMBER :
- 104-90-5
- BEILSTEIN REFERENCE NO. :
- 0109269
- LAST UPDATED :
- 199806
- DATA ITEMS CITED :
- 13
- MOLECULAR FORMULA :
- C8-H11-N
- MOLECULAR WEIGHT :
- 121.20
- WISWESSER LINE NOTATION :
- T6NJ B1 E2
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- Open irritation test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 368 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LCLo - Lowest published lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1000 ppm/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 826 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 282 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 294 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1 mL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 2500 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
MUTATION DATA - TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TEST SYSTEM :
- Yeast - Saccharomyces cerevisiae
- DOSE/DURATION :
- 1500 ppm
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 163,23,1986 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 2 mg/m3;Skin JAN 1993
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Safety Information
| Symbol | GHS05, GHS06 |
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| Signal Word | Danger |
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| Hazard Statements | H302-H311 + H331-H314 |
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| Precautionary Statements | P261-P280-P305 + P351 + P338-P310 |
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| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
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| Hazard Codes | C:Corrosive |
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| Risk Phrases | R20/21/22;R34 |
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| Safety Phrases | S26-S36/37/39-S45-S61 |
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| RIDADR | UN 2300 6.1/PG 3 |
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| WGK Germany | 3 |
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| RTECS | TJ6825000 |
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| Packaging Group | III |
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| Hazard Class | 6.1 |
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| HS Code | 2942000000 |
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Customs
| HS Code | 2933399090 |
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| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Articles3
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| A Study of the Behavior of Maillard Reaction Products Analyzed by Solid-Phase Microextraction—Gas Chromatography—Mass Selective Detection. Coleman WM J. Chromatogr. Sci. 34(5) , 213-218, (1996)
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Synonyms
| 2-Picoline,5-ethyl |
| Aldehydecollidine |
| 5-ethyl-2-methyl-pyridine |
| Aldehydine |
| 5-Ethyl-2-picoline |
| Ethyl-5 methyl-2 pyridine |
| Pyridine, 5-ethyl-2-methyl- |
| Aldehydkollidin |
| 2-METHYL-5-ETHYLPYRIDINE |
| MFCD00006344 |
| EINECS 203-250-0 |
| 3-Ethyl-6-methylpyridine |
| T6NJ B1 E2 |
| 5-Ethyl-2-methylpyridine |
| Pyridine,5-ethyl-2-methyl |
| 5-ETHYL-2-METHYL PYRIDINE(MEP) |