45996
1,2,4-三甲基苯
analytical standard
别名:
偏三甲苯
等级
analytical standard
质量水平
蒸汽密度
4.1 (vs air)
蒸汽压
4.5 mmHg ( 37.7 °C)
自燃温度
959 °F
保质期
limited shelf life, expiry date on the label
expl. lim.
6.4 %
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
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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应用
1,2,4-Trimethylbenzene may be used as an analytical reference standard for the quantification of the analyte in environmental samples using gas chromatography coupled to mass spectrometry (GC-MS).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
其他说明
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
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
Solid-phase microextraction (SPME) for rapid field sampling and analysis by gas chromatography-mass spectrometry (GC-MS)
Hook.LG, et al.
TrAC, Trends in Analytical Chemistry, 21(8), 534-543 (2002)
Fei Li et al.
Indian journal of dermatology, 65(2), 92-96 (2020-03-18)
Common indoor pollutants, as fine particulate matter (PM2.5), can damage people's health and cause skin allergies. However, it remains unknown which common pollutants can lead to allergy, such as, in children atopic dermatitis, and what is the key molecule. This
Z Korsak et al.
International journal of occupational medicine and environmental health, 13(2), 155-164 (2000-09-01)
Toxic effects of exposure of 1,2,4-trimethylbenzene (pseudocumene) in the condition of sub-chronic inhalation experiment were examined. Rats were exposed to vapours of pseudocumene at concentrations of 123 mg/m3, 492 mg/m3 and 1230 mg/m3, 6 h/day, 5 days/week for 3 months.
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
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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