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當(dāng)前位置:齊一生物科技(上海)有限公司>>生化試劑>>生化試劑類>> 順丁烯二酸CAS號:110-16-7
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聯(lián)系我時,請告知來自 環(huán)保在線順丁烯二酸CAS號:110-16-7 英文名稱:Maleic acid;Cis-Butene dioic acid;Toxilic acid
其他名稱:馬來酸;異丁烯二酸;失水蘋果酸;(Z)-2-丁烯二酸;順?biāo)?br />CAS號:110-16-7
C4H4O4=116.07
順丁烯二酸CAS號:110-16-7級別:AR
含量:99.0~101.0%
熔點(diǎn):133~137℃
氯化物:≤0.01%
水溶解試驗:合格
灼燒殘渣:≤0.1%
性狀(以下信息僅供參考):單斜晶系無色針狀結(jié)晶。約在138℃時分解。溶于冰乙酸、乙醇、丙酮,微溶于乙醚和苯。實際上不溶于四氯化碳,有惡劣的酸氣味,味澀。水中溶解度:790 g/L (25°C)。密度:1.59,閃點(diǎn): 127℃。順丁烯二酸在自然界中不存在,與反丁烯二酸互為順反異構(gòu)體。順丁烯二酸不如反丁烯二酸穩(wěn)定,溫度高于熔點(diǎn)時部分轉(zhuǎn)變?yōu)榉炊∠┒?。加熱?60℃即失水形成順丁烯二酸酐,若用化學(xué)脫水劑,可在較低溫度下脫水。溫度高于熔點(diǎn)時部分轉(zhuǎn)變?yōu)槿埸c(diǎn)更高的(287℃)反丁烯二酸
用途:本品僅供科研,不得用于其它用途。(以下用途僅供參考)堿量法分析標(biāo)準(zhǔn)
保存:RT
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