45935
1,2,3-Trimethylbenzene
analytical standard
Synonym(s):
Hemellitol
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All Photos(2)
About This Item
Linear Formula:
C6H3(CH3)3
CAS Number:
Molecular Weight:
120.19
Beilstein:
1903410
EC Number:
MDL number:
UNSPSC Code:
41116107
eCl@ss:
39011402
PubChem Substance ID:
NACRES:
NA.24
grade
analytical standard
Quality Level
vapor density
4.15 (vs air)
vapor pressure
3.4 mmHg ( 37.7 °C)
autoignition temp.
878 °F
shelf life
limited shelf life, expiry date on the label
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
refractive index
n20/D 1.513 (lit.)
bp
175-176 °C (lit.)
mp
−25 °C (lit.)
density
0.894 g/mL at 25 °C (lit.)
application(s)
environmental
format
neat
SMILES string
Cc1cccc(C)c1C
InChI
1S/C9H12/c1-7-5-4-6-8(2)9(7)3/h4-6H,1-3H3
InChI key
FYGHSUNMUKGBRK-UHFFFAOYSA-N
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Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
WGK
WGK 3
Flash Point(F)
127.4 °F
Flash Point(C)
53 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Application of gas chromatography in conjunction with enrichment of samples on active carbon to determine low concentrations of organic compounds in air. Part I. Aromatic hydrocarbons.
H Swedrowska et al.
Bulletin of the Institute of Maritime and Tropical Medicine in Gdynia, 37(1-2), 103-112 (1986-01-01)
T Tomas et al.
International journal of occupational medicine and environmental health, 12(1), 73-84 (1999-06-09)
In a series of acute experiments on rats the potential of toluene, mesitylene, hemimellitene and pseudocumene to affect the CNS function was assessed following an analysis of spontaneous and evoked hippocampal and cortical activity. The electrophysiological examinations were performed on
Y Tsujimoto et al.
Chemosphere, 39(5), 725-730 (1999-08-17)
The structure was investigated of the mercapturic acid excreted in urine of rats after the i.p. administration of 1,2,3-trimethylbenzene. Of the two regioisomeric mercapturic acids, i.e. N-acetyl-S-(2,3-dimethylbenzyl)-L-cysteine and N-acetyl-S-(2,6-dimethyl-benzyl)-L-cysteine, only the former was isolated by preparative HPLC and identified, by
Z Korsak et al.
International journal of occupational medicine and environmental health, 13(3), 223-232 (2000-12-08)
Toxic effects of exposure to 1,2,3-trimethylbenzene (hemimellitene) in the condition of subchronic inhalation experiment were examined. Rats were exposed to vapours of hemimellitene at concentrations of 123 mg/m3, 492 mg/m3 and 1230 mg/m3, 6 h/day, 5 days/week for 3 months.
Z Korsak et al.
International journal of occupational medicine and environmental health, 9(4), 341-349 (1996-01-01)
Neurotoxic effects of trimethylbenzene isomers (pseudocumene, mesitylene and hemimellitene) in male rats were investigated in conditions of acute and subchronic inhalation exposure. Rotarod performance and pain sensitivity behaviour were tested in rats exposed to trimethylbenzenes at concentrations of 250-2,000 ppm
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