Mesitylene

Modify Date: 2025-08-20 10:21:27

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	Signal Word	Danger

Name	1,3,5-trimethylbenzene
Synonym	More Synonyms

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
InChIKey	AUHZEENZYGFFBQ-UHFFFAOYSA-N
SMILES	Cc1cc(C)cc(C)c1
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.
Water Solubility	2.9 g/L (20 ºC)

Mesitylene MSDS(Chinese)

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)

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

Precursor 10
CAS#:95-49-8 2-Chlorotoluene CAS#:5980-97-2 Mesitylboronic acid CAS#:2571-52-0 Mesitonitrile CAS#:576-83-0 2,4,6-Trimethyl...
CAS#:93-55-0 Phenyl ethyl ketone CAS#:4028-63-1 Iodo-2,4,6-trim... CAS#:346607-97-4 2,4,6-trimethyl... CAS#:124-38-9 Carbon dioxide
CAS#:67-64-1 Acetone CAS#:938-18-1 2,4,6-Trimethyl...
DownStream 10
CAS#:106567-41-3 2,4,6-trimethyl... CAS#:4408-60-0 2-Mesitylacetic acid CAS#:576-83-0 2,4,6-Trimethyl... CAS#:6942-99-0 2,4-Dibromomesi...
CAS#:27129-86-8 a-Bromomesitylene CAS#:1667-04-5 2-CHLOROMESITYLENE CAS#:608-72-0 Benzene,1,3,5-t... CAS#:554-95-0 Trimesic acid
CAS#:121-91-5 Isophthalic acid CAS#:499-49-0 Uvitic acid

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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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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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Mesitylene
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Mesitylene
Price: ￥178.0/500ml
Purity: 97.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Mesitylene suppliers in China
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,3,5-Trimethylbenzene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Mesitylene

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