Mesitylene
Names
[ CAS No. ]:
108-67-8
[ Name ]:
Mesitylene
[Synonym ]:
2,4,6-Me3-Ph
sym-trimethylbenzene
2,4,6-trimethylbenzene
3,5-Dimethyltoluene
UNII-887L18KQ6X
Fleet-X
Trimethylbenzene,1,3,5
Trimethylbenzol
1,3,5-Trimethyl benzene
Trimethylbenzene, 1,3,5-
Symmetrical trimethylbenzene
2,4,6-collidine
EINECS 203-604-4
MFCD00008538
Benzene, 1,3,5-trimethyl-
Mesitylene
Benzene,1,3,5-trimethyl
1,3,5-trimethylbenzene
1,3,5-Me3C6H3
Chemical & Physical Properties
[ Density]:
0.9±0.1 g/cm3
[ Boiling Point ]:
166.7±20.0 °C at 760 mmHg
[ Melting Point ]:
-45 °C
[ Molecular Formula ]:
C9H12
[ Molecular Weight ]:
120.192
[ Flash Point ]:
44.4±0.0 °C
[ Exact Mass ]:
120.093903
[ LogP ]:
3.60
[ Vapour density ]:
4.1 (vs air)
[ Vapour Pressure ]:
2.3±0.1 mmHg at 25°C
[ Index of Refraction ]:
1.501
[ Stability ]:
Stable. Combustible. Incompatible with strong oxidizing agents.
[ Water Solubility ]:
2.9 g/L (20 ºC)
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- OX6825000
- CHEMICAL NAME :
- Mesitylene
- CAS REGISTRY NUMBER :
- 108-67-8
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 15
- MOLECULAR FORMULA :
- C9-H12
- MOLECULAR WEIGHT :
- 120.21
- WISWESSER LINE NOTATION :
- 1R C1 E1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,34,1986
- TYPE OF TEST :
- Standard Draize test
- ROUTE OF EXPOSURE :
- Administration into the eye
- SPECIES OBSERVED :
- Rodent - rabbit
- REFERENCE :
- 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,34,1986 ** ACUTE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Human
- DOSE/DURATION :
- 10 ppm
- TOXIC EFFECTS :
- Peripheral Nerve and Sensation - sensory change involving peripheral nerve Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - structural or functional change in trachea or bronchi
- REFERENCE :
- ZUBEAQ Zeitschrift fuer Unfallmedizin und Berufskrankheiten. Revue de Medecine des Accidents et des Maladies Professionelles. (Verlag Berichthaus, Zwingliplatz 3, Postfach, CH-8022, Zurich, Switzerland) V.1- 1907- Volume(issue)/page/year: 49,265,1956
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 24 gm/m3/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(5),15,1979
- TYPE OF TEST :
- LDLo - Lowest published lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 1303 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine. (Chicago, IL) V.2-10, 1950-54. For publisher information, see AEHLAU. Volume(issue)/page/year: 9,227,1954 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 20 mg/m3/24H/17W-I
- TOXIC EFFECTS :
- Kidney, Ureter, Bladder - other changes in urine composition Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - catalases
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(5),15,1979 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-DENMARK:TWA 25 ppm (120 mg/m3) JAN 1993 OEL-SWEDEN:TWA 25 ppm (120 mg/m3);STEL 35 ppm (170 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 25 ppm (125 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1998 No. of Facilities: 495 (estimated) No. of Industries: 4 No. of Occupations: 6 No. of Employees: 12997 (estimated) No. of Female Employees: 231 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS06, GHS08
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H225-H301 + H311 + H331-H370
[ Precautionary Statements ]:
P210-P260-P280-P301 + P310 + P330-P302 + P352 + P312-P370 + P378
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
Xi:Irritant;N:Dangerousfortheenvironment;
[ Risk Phrases ]:
R10;R37;R51/53
[ Safety Phrases ]:
S61-S45-S36/37-S16-S7
[ RIDADR ]:
UN 2325 3/PG 3
[ WGK Germany ]:
2
[ RTECS ]:
OX6825000
[ Packaging Group ]:
III
[ Hazard Class ]:
3
[ HS Code ]:
2902909090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%
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