4-Ethyltoluene

Modify Date: 2025-08-25 17:51:41

4-Ethyltoluene Structure
4-Ethyltoluene structure
 Common Name 4-Ethyltoluene
CAS Number 622-96-8 Molecular Weight 120.192
Density 0.9±0.1 g/cm3 Boiling Point 161.7±10.0 °C at 760 mmHg
Molecular Formula C9H12 Melting Point -62ºC
MSDS N/A Flash Point 36.7±0.0 °C

 Names

Name 1-ethyl-4-methylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.9±0.1 g/cm3
Boiling Point 161.7±10.0 °C at 760 mmHg
Melting Point -62ºC
Molecular Formula C9H12
Molecular Weight 120.192
Flash Point 36.7±0.0 °C
Exact Mass 120.093903
LogP 3.67
Vapour Pressure 2.9±0.1 mmHg at 25°C
Index of Refraction 1.498
Storage condition Flammables area

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XT2550000
CHEMICAL NAME :
Toluene, p-ethyl-
CAS REGISTRY NUMBER :
622-96-8
LAST UPDATED :
199806
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C9-H12
MOLECULAR WEIGHT :
120.21
WISWESSER LINE NOTATION :
2R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4850 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - ataxia
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0535702 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
27300 mg/kg/13W-C
TOXIC EFFECTS :
Liver - changes in liver weight Related to Chronic Data - death Related to Chronic Data - changes in testicular weight
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0535702 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4200 mg/kg
SEX/DURATION :
female 6-19 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0535702 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1999 No. of Facilities: 13 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 279 (estimated)

 Safety Information

Hazard Codes Xn
Risk Phrases R10
Safety Phrases S16
RIDADR UN 3295 3/PG 3
WGK Germany 3
RTECS XT2550000
Packaging Group III
Hazard Class 3.2
HS Code 2902909090

 Synthetic Route

 Customs

HS Code 2902909090
Summary 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

12C9-4-ethyltoluene
EINECS 210-761-2
P-ETHYLTOLUENE
para-ethyl toluene
Benzene, 1-ethyl-4-methyl-
Toluene, p-ethyl-
para-methylethylbenzene
4-Ethyltoluene
4-Methylethylbenzene
1-Ethyl-4-methylbenzene
toluene, 4-ethyl-
Benzene,1-ethyl-4-methyl
p-Methylethylbenzene
MFCD00009263
1-Methyl-4-ethylbenzene
p-Ethylmethylbenzene
4-methyl benzene
Toluene,p-ethyl
PARA-ETHYLTOLUENE
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