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Merck

214736

Sigma-Aldrich

二甲苯

reagent grade

别名:

二甲苯异构体混合物

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About This Item

线性分子式:
C6H4(CH3)2
CAS号:
分子量:
106.17
EC號碼:
MDL號碼:
分類程式碼代碼:
12352002
PubChem物質ID:
NACRES:
NA.21

等級

reagent grade

品質等級

蒸汽密度

3.7 (vs air)

蒸汽壓力

18 mmHg ( 37.7 °C)

化驗

≥75.0% (xylenes isomers)

形狀

liquid

自燃溫度

867 °F

expl. lim.

7 %

雜質

≤25% ethylbenzene

折射率

n20/D 1.497 (lit.)

bp

137-140 °C (lit.)

mp

-34 °C (lit.)

密度

0.86 g/mL at 25 °C (lit.)

SMILES 字串

Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C

InChI

1S/3C8H10/c1-7-3-5-8(2)6-4-7;1-7-4-3-5-8(2)6-7;1-7-5-3-4-6-8(7)2/h3*3-6H,1-2H3

InChI 密鑰

MVZVDAGWAAZJPE-UHFFFAOYSA-N

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一般說明

混合二甲苯是同分异构体二甲苯的混合物,包括邻位间位对位二甲苯。它的分散发射和质谱飞行时间已经被报道了。在100cm-1范围内,发现了S1 ↔ S0状态转化,并且这种转化因为环状甲基基团内部旋转而增加。使用时间分辨原位FTIR光谱和气相色谱分析,研究它的扩散系数,吸收率和HSZM-5表面的异构化效果。

應用

混合二甲苯可以用于氯霉素乙酞转移酶(CAT)分析,评估CAT基因表达。

訊號詞

Danger

危險分類

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3

標靶器官

Central nervous system,Liver,Kidney, Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

77.0 °F - closed cup

閃點(°C)

25 °C - closed cup


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