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有機化學試劑
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    甲苯
詳細介紹

產品名稱:甲苯            級別: AR/CP

執行標準:GB/T 684-1999

分子式:C6H5CH3

性狀:本試劑為無色透明液體,不溶于水,能于乙醇、乙醚,三氯甲烷等有機溶劑互溶,易燃。

危險特性:易燃,其蒸氣與空氣可形成爆炸性混合物,遇明火、高熱能引起燃燒爆炸。與氧化劑能發生強烈反應。流速過快,容易產生和積聚靜電。其蒸氣比空氣重,能在較低處擴散到相當遠的地方,遇火源會著火回燃。

禁配物:易燃或可燃物、強還原劑、銅、鐵、鐵鹽、鋅、活性金屬粉末。


項  目

指 標

AR

CP

含量(C6H5CH3),%               ≥

99.5

98.5

密度(20℃),g/mL

0.865~0.869

0.865~0.869

蒸發殘渣,%                   ≤

0.001

0.002

酸度(以H+計),mmol/100g    ≤

0.01

0.03

堿度(以0H-計),mmol/100g   ≤

0.01

0.06

易炭化物質

合格

合格

硫化合物(以SO4計),%       ≤

0.0005

0.001

噻吩

合格

合格

不飽和化合物(以Br計),%     ≤

0.005

0.03

水分(H2O),%                ≤

0.03

0.05

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