Identification

Namehemimellitene
IUPAC1,2,3-trimethylbenzene
CAS Number526-73-8
EINECS208-394-8
FDA UNIIZK4R7UPH6R
Molecular FormulaC9 H12
Molecular Weight120.19464000
MDL NumberMFCD00008520
Nikkaji NumberJ1.582B
Beilstein1903410
XlogP33.60 (est)

Regulatory

Physical Properties

Appearance colorless clear liquid (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.89200 to 0.90400 @ 20.00 °C.
Pounds per Gallon - (est). 7.431 to 7.531
Refractive Index 1.51100 to 1.51800 @ 20.00 °C.
Melting Point -25.00 °C. @ 760.00 mm Hg
Boiling Point 175.00 to 177.00 °C. @ 760.00 mm Hg
Vapor Pressure 1.447000 mmHg @ 25.00 °C. (est)
Flash Point 119.00 °F. TCC ( 48.33 °C. )
logP (o/w) 3.660
Soluble in alcohol
Insoluble in water

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral Toxicityoral-rat LDLo 10 mL/kg
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for hemimellitene usage levels up tonot for fragrance use.
Recommendation for hemimellitene flavor usage levels up tonot for flavor use.

TCI AMERICA

Moving Your Chemistry Forward

We continuously strive to advance our technology.

View All Website 1-800-423-8616 Sales-US@TCIchemicals.com;

Potential Uses

None Found

Natural Occurrence

carrot leaf oil (daucus carota ssp.maximus) @ 0.56% Data corn silk dianthus sylvestris plum fruit plumcot fruit PMC silene vulgaris walnut black walnut oil

Synonyms

benzene, 1,2,3-trimethyl- hemellitol hemimellitol methyl xylene 1,2,3- trimethyl benzene 1,2,3- trimethyl-benzene 1,2,3- trimethylbenzene xyellenol 100 o-3- xylenol PubMed: Antimicrobial Potential and Chemical Characterization of Serbian Liverwort (Porella arboris-vitae): SEM and TEM Observations. PubMed: Volatile organic compounds from Centaurium erythraea Rafn (Croatia) and the antimicrobial potential of its essential oil. PubMed: Volatile organic compounds from Centaurium erythraea Rafn (Croatia) and the antimicrobial potential of its essential oil. PubMed: Contrasting effects of 4-week inhalation exposure to pseudocumene or hemimellitene on sensitivity to amphetamine and propensity to amphetamine sensitization in the rat. PubMed: Assessment of long-term neurotoxic effects of exposure to mesitylene (1,3,5-trimethylbenzene) based on the analysis of selected behavioral responses. PubMed: Effects of occupational exposure to a mixture of solvents on the inner ear: a field study. PubMed: [Specific nature of the software used to construct simulations: physiologically-based toxicokinetic models]. PubMed: Behavioral effects following subacute inhalation exposure to m-xylene or trimethylbenzene in the rat: a comparative study. PubMed: Subchronic inhalation toxicity of 1,2,3-trimethylbenzene (hemimellitene) in rats. PubMed: Changes in electrocortical arousal following acute trimethylbenzene administration in rats. PubMed: Effects of acute exposure to aromatic hydrocarbons C 9 on locomotor activity in rats. Trimethylbenzene isomers. PubMed: Identification of the dimethylbenzyl mercapturic acid in urine of rats treated with 1,2,3-trimethylbenzene. PubMed: Neurotoxicity assessment of selected organic solvents based on spontaneous and evoked cortical and hippocampal activity in rats. PubMed: Behavioural changes following a four-week inhalation exposure to hemimellitene (1,2,3-trimethylbenzene) in rats. PubMed: Genotoxicity evaluation of trimethylbenzenes. PubMed: Biological monitoring of experimental human exposure to trimethylbenzene. PubMed: Respiratory irritative effects of trimethylbenzenes: an experimental animal study. PubMed: Toxicokinetics of inhaled trimethylbenzenes in man. PubMed: Neurotoxic effects of acute and subchronic inhalation exposure to trimethylbenzene isomers (pseudocumene, mesitylene, hemimellitene) in rats. PubMed: [Determination of dimethylbenzoic acid isomers in urine by gas chromatography]. PubMed: 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. PubMed: Kinetics of solvents release from paint coatings. I. Paint coating hardened at +20 degrees C temperature.