5-Ethyl-2-methylpyridine

Modify Date: 2024-01-02 18:11:01

5-Ethyl-2-methylpyridine Structure
5-Ethyl-2-methylpyridine structure
Common Name 5-Ethyl-2-methylpyridine
CAS Number 104-90-5 Molecular Weight 121.180
Density 0.9±0.1 g/cm3 Boiling Point 176.0±9.0 °C at 760 mmHg
Molecular Formula C8H11N Melting Point -70.9 °C
MSDS Chinese USA Flash Point 66.1±0.0 °C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

Name 5-Ethyl-2-methylpyridine
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 176.0±9.0 °C at 760 mmHg
Melting Point -70.9 °C
Molecular Formula C8H11N
Molecular Weight 121.180
Flash Point 66.1±0.0 °C
Exact Mass 121.089149
PSA 12.89000
LogP 2.18
Vapour density 4.2 (vs air)
Vapour Pressure 1.5±0.3 mmHg at 25°C
Index of Refraction 1.500
Stability Stable. Hygroscopic. Combustible. Incompatible with strong oxidizing agents.
Water Solubility practically insoluble

 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 DATA

ACUTE 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

 Safety Information

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H302-H311 + H331-H314
Precautionary Statements P261-P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive
Risk Phrases R20/21/22;R34
Safety Phrases S26-S36/37/39-S45-S61
RIDADR UN 2300 6.1/PG 3
WGK Germany 3
RTECS TJ6825000
Packaging Group III
Hazard Class 6.1
HS Code 2942000000

 Synthetic Route

 Customs

HS Code 2933399090
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%

 Articles3

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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)
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