等级
analytical standard
蒸汽密度
4.1 (vs air)
蒸汽压
4.5 mmHg ( 37.7 °C)
CofA
current certificate can be downloaded
自燃温度
959 °F
expl. lim.
6.4 %
包装
ampule of 1000 mg
技术
HPLC: suitable
gas chromatography (GC): suitable
折射率
n20/D 1.504 (lit.)
沸点
168 °C (lit.)
mp
−44 °C (lit.)
密度
0.876 g/mL at 20 °C (lit.)
应用
environmental
包装形式
neat
储存温度
2-30°C
SMILES字符串
Cc1ccc(C)c(C)c1
InChI
1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
InChI key
GWHJZXXIDMPWGX-UHFFFAOYSA-N
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一般描述
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.
应用
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
警示用语：
Danger
危险分类
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
3 - Flammable liquids
WGK
WGK 2
闪点(°F)
118.4 °F - closed cup
闪点(°C)
48.0 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
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
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
S Gralewicz et al.
Neurotoxicology, 22(1), 79-89 (2001-04-20)
Trimethylbenzene (TMB), like xylene (dimethylbenzene), is a significant constituent of some industrial solvent mixtures. In earlier studies, we found that in the rat a subacute low-level inhalation exposure to some of the TMB isomers may result in behavioral alterations detectable
C M Kao et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 53(2), 321-328 (2006-04-06)
Contamination of groundwater by petroleum-hydrocarbons is a serious environmental problem. The Monitored Natural Attenuation (MNA) approach is a passive remediation to degrade and dissipate groundwater contaminants in situ. In this study, a full-scale natural bioremediation investigation was conducted at a
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