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有機化學試劑
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    冰乙酸
詳細介紹

產品名稱:乙酸(冰醋酸)           級別: AR/CP

執行標準:GB/T 676-2007

分子式:CH3COOH

性狀:本試劑為無色透明液體,具有刺激性嗅味,溶于水、乙醇及乙醚。密度(20℃)約為1.05g/mL

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。與鉻酸、過氧化鈉、硝酸或其它氧化劑接觸,有爆炸危險。具有腐蝕性。

禁配物:堿類、強氧化劑。


項  目

指 標

AR

CP

含量(CH3COOH),W/%              ≥

99.5

99.0

結晶點/℃                    ≥

15.1

14.8

蒸發殘渣,W/%                ≤

0.002

0.005

與水混合試驗

合格

合格

氯化物(Cl),W/%            ≤

0.0001

0.0004

硫酸鹽(SO4),W/%              ≤

0.0002

0.0005

鐵(Fe),W/%                ≤

0.0001

0.0002

銅(Cu), W/%                  ≤

0.00005

0.0001

鋅(Zn), W/%                  ≤

——

——

鉛(Pb), W/%                  ≤

0.00005

0.0001

乙酸酐[(CH3CO)2O],    W/%        ≤

0.02

0.02

還原重鉻酸鹽物質(以O計)W/%≤

0.008

0.01

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