47324
1,2,4-三甲基苯
analytical standard
别名:
偏三甲苯
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关于此项目
线性分子式:
C6H3(CH3)3
化学文摘社编号:
分子量:
120.19
EC Number:
202-436-9
UNSPSC Code:
41116107
PubChem Substance ID:
Beilstein/REAXYS Number:
1903005
MDL number:
InChI key
GWHJZXXIDMPWGX-UHFFFAOYSA-N
InChI
1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
SMILES string
Cc1ccc(C)c(C)c1
grade
analytical standard
vapor density
4.1 (vs air)
vapor pressure
4.5 mmHg ( 37.7 °C)
CofA
current certificate can be downloaded
autoignition temp.
959 °F
expl. lim.
6.4 %
packaging
ampule of 1000 mg
technique(s)
HPLC: suitable, gas chromatography (GC): suitable
refractive index
n20/D 1.504 (lit.)
bp
168 °C (lit.)
mp
−44 °C (lit.)
density
0.876 g/mL at 20 °C (lit.)
application(s)
environmental
format
neat
storage temp.
2-30°C
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General description
Sigma-Aldrich offers 1,2,4-trimethylbenzene for a variety of applications that include, but are not limited to, environmental, food and beverage, forensics, petrochemical and pharmaceutical analyses. Purity of the chemical is about 99% unless otherwise stated.
Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
118.4 °F - closed cup
flash_point_c
48.0 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
Birger Bohn et al.
Physical chemistry chemical physics : PCCP, 14(40), 13933-13948 (2012-09-13)
The reversible gas-phase addition of OH radicals to the trimethylbenzenes was investigated in pulsed experiments utilizing VUV flash-photolysis resonance-fluorescence of H(2)O in the temperature range of 275-340 K. Triexponential OH decays were observed in the presence of the trimethylbenzenes, indicating
Bruno Bühler et al.
Biotechnology and bioengineering, 81(6), 683-694 (2003-01-17)
The two-liquid phase concept was used to develop a whole cell biocatalytic system for the efficient multistep oxidation of pseudocumene to 3,4-dimethylbenzaldehyde. Recombinant Escherichia coli cells were employed to express the Pseudomonas putida genes encoding xylene monooxygenase, which catalyzes the
G Korinth et al.
International archives of occupational and environmental health, 76(5), 382-386 (2003-05-10)
The aim of the experiments was to evaluate the efficacy of skin barrier creams (SBCs) and protective gloves and its potential for reduction of percutaneous absorption of industrial solvents. We assessed percutaneous absorption of ethylene glycol (EG), isopropyl alcohol (IA)
Hans H Richnow et al.
Journal of contaminant hydrology, 64(1-2), 59-72 (2003-05-15)
Concentrations and isotopic compositions (13C/12C) of aromatic hydrocarbons were determined in eight samples obtained from the strongly anoxic part of the leachate plume downgradient from the Vejen Landfill (Denmark), where methanogenic, sulfate-reducing and iron-reducing conditions were observed. Despite the heterogeneous
Z Zheng et al.
Applied microbiology and biotechnology, 57(4), 572-578 (2002-01-05)
Laboratory batch experiments were performed with contaminated aquifer sediments and four soluble aromatic components of jet fuel to assess their biodegradation under anaerobic conditions. The biodegradation of four aromatic compounds, toluene, o-xylene, 1,2,4-trimethylbenzene (TMB), and naphthalene, separately or together, was
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