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:
产品名称
1,2,4-三甲基苯, analytical standard
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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Application
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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.
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
High-energy physics. Environmental report paralyzes Italian neutrino lab.
Alexander Hellemans et al.
Science (New York, N.Y.), 300(5626), 1634-1634 (2003-06-14)
D F Shakirov et al.
Patologicheskaia fiziologiia i eksperimental'naia terapiia, (4)(4), 13-16 (2003-03-18)
The authors' investigations show that red cells and tissues of animals exposed to a single 4-h inhalation of vapors of 1,2,4-trimethylbenzene in concentration 10 mg/m3 contained reduced amount of ATP, accumulated amounts of ADP, AMP in active inclusion of 32-P
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
Richard H McKee et al.
International journal of toxicology, 29(3), 277-290 (2010-05-08)
This article reports the results of neurobehavioral tests on representative aromatic constituents, specifically C(9) to C(11) species. The testing evaluated effects in several domains including clinical effects, motor activity, functional observations, and visual discrimination performance. Exposures ranging from 600 to
Bruno Bühler et al.
Biotechnology and bioengineering, 82(7), 833-842 (2003-04-18)
Oxygenases catalyze, among other interesting reactions, highly selective hydrocarbon oxyfunctionalizations, which are important in industrial organic synthesis but difficult to achieve by chemical means. Many enzymatic oxygenations have been described, but few of these have been scaled up to industrial
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