推薦產品
蒸汽密度
4.1 (vs air)
蒸汽壓力
4.5 mmHg ( 37.7 °C)
化驗
98%
自燃溫度
959 °F
expl. lim.
6.4 %
折射率
n20/D 1.504 (lit.)
bp
168 °C (lit.)
mp
−44 °C (lit.)
密度
0.876 g/mL at 20 °C (lit.)
SMILES 字串
Cc1ccc(C)c(C)c1
InChI
1S/C9H12/c1-7-4-5-8(2)9(3)6-7/h4-6H,1-3H3
InChI 密鑰
GWHJZXXIDMPWGX-UHFFFAOYSA-N
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一般說明
1,2,4-Trimethylbenzene, also known as Pseudocumene is an alkylated aromatics that is commonly used in the synthesis of polycyclic aromatic hydrocarbons.
應用
1,2,4-三甲基苯可用作合成以下物质的反应物：
- 在无溶剂条件下与过氧化邻苯二甲酰进行氧化反应生成2,3,5-三甲基苯醌。
- 在Cu和Zn基双功能催化剂存在的情况下进行合成气的甲基化反应生成1,2,4,5-四甲苯。
- 在存在超强酸CF3SO3H (TfOH)的情况下通过与硝基烯和腈的串联反应生成1,2,4-噁二唑衍生物。
訊號詞
Danger
危險分類
Acute Tox. 4 Inhalation - Aquatic Chronic 2 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
標靶器官
Respiratory system
儲存類別代碼
3 - Flammable liquids
水污染物質分類（WGK）
WGK 2
閃點（°F）
118.4 °F - closed cup
閃點（°C）
48.0 °C - closed cup
個人防護裝備
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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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
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