Mesitylene

Modify Date: 2024-01-02 16:18:20

Mesitylene Structure
Mesitylene structure
 Common Name Mesitylene
CAS Number 108-67-8 Molecular Weight 120.192
Density 0.9±0.1 g/cm3 Boiling Point 166.7±20.0 °C at 760 mmHg
Molecular Formula C9H12 Melting Point -45 °C
MSDS Chinese USA Flash Point 44.4±0.0 °C
Symbol GHS02 GHS06 GHS08
GHS02, GHS06, GHS08		 Signal Word Danger

 Names

Name 1,3,5-trimethylbenzene
Synonym More Synonyms

 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)

 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
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

 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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 Synonyms

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
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