丙酮(tong)(tong)，英文(wen)名是acetone，分子式為(wei)CH3COCH3。又名二甲(jia)基酮(tong)(tong)，為(wei)最簡(jian)單的(de)飽(bao)和酮(tong)(tong)。是一種無色透明液體(ti)，有(you)特殊的(de)辛辣(la)氣味(wei)。易(yi)(yi)(yi)溶(rong)于水(shui)和甲(jia)醇(chun)、乙醇(chun)、乙醚、氯仿、吡啶等有(you)機(ji)溶(rong)劑(ji)。易(yi)(yi)(yi)燃、易(yi)(yi)(yi)揮發，化學性質較活潑。

丙酮的(de)工業生產以(yi)異丙苯法(fa)為主(zhu)。丙酮在工業上主(zhu)要(yao)(yao)作(zuo)為溶劑(ji)用于炸藥(yao)、塑料、橡膠、纖維、制革、油脂、噴(pen)漆(qi)等行業中，也可作(zuo)為合成烯酮、醋酐(gan)、碘仿(fang)、聚異戊二烯橡膠、甲基丙烯酸甲酯、氯仿(fang)、環(huan)氧樹脂等物質的(de)重要(yao)(yao)原料。也常常被不(bu)法(fa)分(fen)子做毒(du)品的(de)原料溴代(dai)苯丙酮。

有丙酮存在的場(chang)所，需(xu)要安(an)裝丙酮報警器

分子(zi)結構編輯

1、摩(mo)爾折(zhe)射(she)率(lv)：15.97

2、摩爾(er)體(ti)積（cm1/mol）：75.1

3、等張比容（90.2K）：156.5

4、表面張力（dyne/cm）：18.8

5、極化率（10-24cm1）：6.33 [2] 

物(wu)理(li)性質編輯

外觀與性狀：無色(se)透(tou)明易(yi)流動(dong)液體(ti)，有(you)芳香氣味(wei)，極易(yi)揮發。

熔點(℃)：-94.6

沸(fei)點(℃)： 56.5

相(xiang)對密度（水=1）：0.788

相對(dui)蒸氣密度（空氣=1）：2.00

飽和蒸氣壓(kPa)：53.32(39.5℃)

燃燒(shao)熱(kJ/mol)：1788.7

臨界(jie)溫度(du)(℃)：235.5

臨(lin)界壓力(MPa)：4.72

辛(xin)醇/水分配系數的對數值：-0.24

引燃溫度(℃)：465

爆炸下(xia)限(xian)%(V/V)：2.5

爆炸上限%(V/V)：12.8 [3] 

溶解性：與水混溶，可混溶于乙醇、乙醚、氯仿、油類、烴類等多數有機溶劑。 [1-2] 

化學性質編輯

丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)是脂(zhi)肪族酮(tong)(tong)(tong)(tong)(tong)(tong)類具有代表性(xing)的(de)的(de)化(hua)(hua)(hua)合(he)(he)物，具有酮(tong)(tong)(tong)(tong)(tong)(tong)類的(de)典型反(fan)(fan)應。例如(ru)(ru)：與(yu)(yu)亞(ya)硫(liu)酸(suan)氫(qing)(qing)(qing)鈉(na)(na)形成(cheng)(cheng)(cheng)(cheng)(cheng)無色結晶(jing)的(de)加成(cheng)(cheng)(cheng)(cheng)(cheng)物。與(yu)(yu)氰(qing)化(hua)(hua)(hua)氫(qing)(qing)(qing)反(fan)(fan)應生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)氰(qing)醇(chun)(chun)。在(zai)(zai)還原劑(ji)的(de)作(zuo)用(yong)下(xia)(xia)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)異(yi)丙(bing)(bing)(bing)(bing)(bing)醇(chun)(chun)與(yu)(yu)頻哪酮(tong)(tong)(tong)(tong)(tong)(tong)。丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)對(dui)氧(yang)化(hua)(hua)(hua)劑(ji)比較穩定。在(zai)(zai)室溫下(xia)(xia)不(bu)會被硝酸(suan)氧(yang)化(hua)(hua)(hua)。用(yong)酸(suan)性(xing)高錳酸(suan)鉀(jia)強氧(yang)化(hua)(hua)(hua)劑(ji)做氧(yang)化(hua)(hua)(hua)劑(ji)時，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)乙酸(suan)、二氧(yang)化(hua)(hua)(hua)碳和(he)水(shui)。在(zai)(zai)堿(jian)存在(zai)(zai)下(xia)(xia)發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)雙分子(zi)縮(suo)合(he)(he)，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)雙丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)醇(chun)(chun)。 [4]  2mol丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)在(zai)(zai)各種酸(suan)性(xing)催(cui)(cui)化(hua)(hua)(hua)劑(ji)（鹽酸(suan)，氯化(hua)(hua)(hua)鋅或(huo)(huo)硫(liu)酸(suan)）存在(zai)(zai)下(xia)(xia)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)亞(ya)異(yi)丙(bing)(bing)(bing)(bing)(bing)基(ji)丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)，再與(yu)(yu)1mol丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)加成(cheng)(cheng)(cheng)(cheng)(cheng)，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)佛爾酮(tong)(tong)(tong)(tong)(tong)(tong)（二亞(ya)異(yi)丙(bing)(bing)(bing)(bing)(bing)基(ji)丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)）。3mol丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)在(zai)(zai)濃硫(liu)酸(suan)作(zuo)用(yong)下(xia)(xia)，脫3mol水(shui)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)1，3，5-三甲苯。在(zai)(zai)石灰。醇(chun)(chun)鈉(na)(na)或(huo)(huo)氨(an)(an)基(ji)鈉(na)(na)存在(zai)(zai)下(xia)(xia)，縮(suo)合(he)(he)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)異(yi)佛爾酮(tong)(tong)(tong)(tong)(tong)(tong)（3，5，5-三甲基(ji)-2-環(huan)己烯(xi)-1-酮(tong)(tong)(tong)(tong)(tong)(tong)） [5]  。在(zai)(zai)酸(suan)或(huo)(huo)堿(jian)存在(zai)(zai)下(xia)(xia)，與(yu)(yu)醛或(huo)(huo)酮(tong)(tong)(tong)(tong)(tong)(tong)發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)縮(suo)合(he)(he)反(fan)(fan)應，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)酮(tong)(tong)(tong)(tong)(tong)(tong)醇(chun)(chun)、不(bu)飽和(he)酮(tong)(tong)(tong)(tong)(tong)(tong)及樹脂(zhi)狀(zhuang)物質。與(yu)(yu)苯酚在(zai)(zai)酸(suan)性(xing)條件下(xia)(xia)，縮(suo)合(he)(he)成(cheng)(cheng)(cheng)(cheng)(cheng)雙酚-A。丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)的(de)α-氫(qing)(qing)(qing)原子(zi)容易被鹵素取代，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)α-鹵代丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)。與(yu)(yu)次鹵酸(suan)鈉(na)(na)或(huo)(huo)鹵素的(de)堿(jian)溶液(ye)作(zuo)用(yong)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)鹵仿。丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)與(yu)(yu)Grignard試劑(ji)發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)加成(cheng)(cheng)(cheng)(cheng)(cheng)作(zuo)用(yong)，加成(cheng)(cheng)(cheng)(cheng)(cheng)產物水(shui)解得到叔醇(chun)(chun)。丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)與(yu)(yu)氨(an)(an)及其(qi)衍生(sheng)(sheng)(sheng)(sheng)(sheng)物如(ru)(ru)羥氨(an)(an)、肼、苯肼等也能發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)縮(suo)合(he)(he)反(fan)(fan)應。此外(wai)，丙(bing)(bing)(bing)(bing)(bing)酮(tong)(tong)(tong)(tong)(tong)(tong)在(zai)(zai)500~1000℃時發(fa)生(sheng)(sheng)(sheng)(sheng)(sheng)裂解，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)乙烯(xi)酮(tong)(tong)(tong)(tong)(tong)(tong)。 [6]  在(zai)(zai)170~260℃通過硅-鋁催(cui)(cui)化(hua)(hua)(hua)劑(ji)，生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)異(yi)丁烯(xi)和(he)乙醛；300~350℃時生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)異(yi)丁烯(xi)和(he)乙酸(suan)等。不(bu)能被銀氨(an)(an)溶液(ye)，新制氫(qing)(qing)(qing)氧(yang)化(hua)(hua)(hua)銅等弱氧(yang)化(hua)(hua)(hua)劑(ji)氧(yang)化(hua)(hua)(hua)，但可催(cui)(cui)化(hua)(hua)(hua)加氫(qing)(qing)(qing)生(sheng)(sheng)(sheng)(sheng)(sheng)成(cheng)(cheng)(cheng)(cheng)(cheng)醇(chun)(chun)。

安全問題編輯

危險性概(gai)述

健康危害：急性中毒主(zhu)要表現為對(dui)中樞神經系統的麻(ma)醉作用，出(chu)現乏力、惡心、頭痛(tong)、頭暈(yun)、易激(ji)動。重者發生嘔吐(tu)、氣急、痙(jing)攣，甚至昏迷(mi)。對(dui)眼、鼻、喉(hou)有刺激(ji)性。口服后，先有口唇、咽喉(hou)有燒灼感(gan)，后出(chu)現口干、嘔吐(tu)、昏迷(mi)、酸中毒和酮癥。

慢(man)性影響：長(chang)期接觸該品出現眩暈(yun)、灼(zhuo)燒感、咽炎、支氣管炎、乏力、易(yi)激動等。皮膚(fu)長(chang)期反復接觸可致皮炎。

燃爆危險(xian)：該品極度易燃，具刺激性。

急救措施

皮(pi)膚接(jie)觸：脫去污(wu)染的(de)衣著，用肥皂(zao)水和清水徹(che)底沖洗皮(pi)膚。

眼(yan)睛(jing)接觸：提(ti)起眼(yan)瞼，用(yong)流(liu)動清(qing)水(shui)或生理鹽水(shui)沖洗。就醫。

吸(xi)入：迅速脫離現場至空(kong)氣(qi)新(xin)鮮(xian)處。保持呼吸(xi)道通暢(chang)。如呼吸(xi)困難，給輸氧。如呼吸(xi)停(ting)止，立即(ji)進行人工呼吸(xi)。就醫。

食入(ru)：飲足量溫(wen)水，催吐(tu)。就醫。

消防措施

危險(xian)特性：其蒸氣(qi)與空氣(qi)可形(xing)成(cheng)爆炸(zha)性混合物，遇(yu)(yu)明火(huo)(huo)、高(gao)熱極易燃燒爆炸(zha)。與氧化(hua)劑能(neng)發(fa)生強烈反應。其蒸氣(qi)比(bi)空氣(qi)重(zhong)，能(neng)在較低處擴散(san)到相當遠(yuan)的地方，遇(yu)(yu)火(huo)(huo)源會(hui)著火(huo)(huo)回(hui)燃。若遇(yu)(yu)高(gao)熱，容器內壓增大，有開裂和爆炸(zha)的危險(xian)。

有(you)害(hai)燃(ran)燒產物(wu)：一氧化(hua)(hua)碳(tan)、二氧化(hua)(hua)碳(tan)。

滅火方法：盡(jin)可能(neng)將容(rong)(rong)器(qi)(qi)從火場(chang)移(yi)至(zhi)(zhi)空曠處(chu)。噴水保持火場(chang)容(rong)(rong)器(qi)(qi)冷(leng)卻(que)，直至(zhi)(zhi)滅火結(jie)束。處(chu)在火場(chang)中(zhong)的容(rong)(rong)器(qi)(qi)若已變色或從安全泄壓裝(zhuang)置中(zhong)產生聲音，所(suo)有人(ren)員必須馬上撤離(li)。

滅火劑：抗溶性泡沫、二氧化碳、干粉(fen)、砂土。用水滅火無效(xiao)。

泄漏(lou)應急處理

應急處理(li)：迅(xun)速(su)撤離(li)泄漏(lou)污染(ran)區人員至安(an)全區，并進行隔離(li)，嚴(yan)格限制出入(ru)。切斷火源。建議應急處理(li)人員戴自給(gei)正壓式呼吸器(qi)，穿(chuan)防靜電工作服。盡可能切斷泄漏(lou)源。防止流入(ru)下水(shui)道、排洪溝等限制性(xing)空間。

小量泄(xie)漏：用(yong)砂土(tu)或其它不燃材料吸附或吸收(shou)。也(ye)可以用(yong)大(da)量水沖洗，洗水稀釋(shi)后(hou)放(fang)入廢水系統。

大量(liang)泄漏：構(gou)筑圍堤或(huo)挖坑收(shou)容。用泡沫覆蓋，降低(di)蒸(zheng)氣災害。用防爆泵轉移至(zhi)槽車(che)或(huo)專用收(shou)集器內(nei)，回收(shou)或(huo)運至(zhi)廢(fei)物處(chu)(chu)理場所處(chu)(chu)置(zhi)。

操作注意事(shi)項

密(mi)閉(bi)操(cao)作，全面(mian)密(mi)封。操(cao)作人(ren)員必須經過(guo)專(zhuan)門培訓，嚴格(ge)遵守(shou)操(cao)作規程。建議操(cao)作人(ren)員佩(pei)戴過(guo)濾(lv)式(shi)防(fang)(fang)(fang)毒面(mian)具（半面(mian)罩），戴安全防(fang)(fang)(fang)護眼鏡(jing)，穿防(fang)(fang)(fang)靜(jing)電(dian)工(gong)作服(fu)，戴橡膠耐油手(shou)套。遠離火種(zhong)、熱源，工(gong)作場所嚴禁吸(xi)煙(yan)。使(shi)用防(fang)(fang)(fang)爆型(xing)的通(tong)風系統和設備。防(fang)(fang)(fang)止蒸氣(qi)泄漏到工(gong)作場所空氣(qi)中。避(bi)免與(yu)氧(yang)化劑(ji)、還原劑(ji)、堿類接(jie)觸。灌裝時應控制流速，且有接(jie)地裝置(zhi)，防(fang)(fang)(fang)止靜(jing)電(dian)積聚。搬運時要輕裝輕卸，防(fang)(fang)(fang)止包裝及容器損壞。配備相應品種(zhong)和數量的消防(fang)(fang)(fang)器材(cai)及泄漏應急處理設備。倒(dao)空的容器可能殘(can)留有害物。 [1] 

法(fa)律法(fa)規

化(hua)學危(wei)險(xian)物(wu)品安(an)全管理條(tiao)例 (1987年2月17日國(guo)務(wu)院發(fa)布)，化(hua)學危(wei)險(xian)物(wu)品安(an)全管理條(tiao)例實施細則(ze) (化(hua)勞(lao)(lao)發(fa)[1992] 677號)，工作場所安(an)全使用(yong)化(hua)學品規(gui)定(ding) ([1996]勞(lao)(lao)部發(fa)423號)等法規(gui)，針對化(hua)學危(wei)險(xian)品的安(an)全使用(yong)、生(sheng)產、儲存(cun)、運輸、裝卸(xie)等方面(mian)均作了(le)相應規(gui)定(ding)；常(chang)用(yong)危(wei)險(xian)化(hua)學品的分類及標志(zhi) (GB 13690-92)將該物(wu)質劃為第3.1 類低閃點易(yi)燃液體。 [7] 

毒理資料編輯(ji)

急(ji)性毒性

LD50: 5800mg/kg(大鼠經口(kou))；20000mg/kg(兔經皮)

LC50: 無資料 [1] 

接(jie)觸(chu)限值

中國MAC 400 mg/m1(皮)

美國ACGIH 1000ppm， 2380mg/m3 TWA: OSHA 1000ppm， 2380mg/m1 [1] 

工業用途編輯(ji)

丙(bing)(bing)酮是重要的有(you)機合成原料(liao)，用(yong)(yong)于生產(chan)環氧樹脂(zhi)， [8]  聚碳酸酯，有(you)機玻璃(li)，醫藥(yao)，農藥(yao)等(deng)。亦是良好溶(rong)劑(ji)，用(yong)(yong)于涂料(liao)、黏結劑(ji)、鋼瓶乙炔等(deng)。也用(yong)(yong)作(zuo)稀(xi)釋劑(ji)，清洗劑(ji)，萃取劑(ji)。還是制(zhi)造(zao)醋(cu)酐(gan)、雙丙(bing)(bing)酮醇、氯(lv)仿、碘仿、環氧樹脂(zhi)、聚異(yi)戊二烯橡膠、甲基(ji)丙(bing)(bing)烯酸甲酯等(deng)的重要原料(liao)。在(zai)無煙火藥(yao)、賽璐(lu)珞、醋(cu)酸纖維、噴漆(qi)等(deng)工(gong)業(ye)中用(yong)(yong)作(zuo)溶(rong)劑(ji)。在(zai)油(you)脂(zhi)等(deng)工(gong)業(ye)中用(yong)(yong)作(zuo)提取劑(ji)。 [9] 

用于制取(qu)有機玻璃(li)單體、雙酚A、二丙酮醇(chun)(chun)(chun)、己二醇(chun)(chun)(chun)、甲基異丁(ding)基酮、甲基異丁(ding)基甲醇(chun)(chun)(chun)、佛爾酮、異佛爾酮、氯仿、碘仿等重要有機化(hua)工原料。在涂料、醋酸纖(xian)維紡絲過程、鋼瓶貯存(cun)乙炔、煉油工業脫蠟(la)等方面用作優良的溶劑。 [10] 

運輸與(yu)儲存編輯

運輸方式(shi)

運(yun)(yun)輸(shu)(shu)時運(yun)(yun)輸(shu)(shu)車(che)輛應配(pei)備(bei)相應品種(zhong)和數(shu)量的(de)消防器材(cai)及泄漏應急處理設(she)備(bei)。夏季最好早晚(wan)運(yun)(yun)輸(shu)(shu)。運(yun)(yun)輸(shu)(shu)時所用(yong)的(de)槽（罐）車(che)應有接(jie)地鏈，槽內可(ke)設(she)孔隔板以減少震(zhen)蕩產(chan)生靜(jing)電。嚴(yan)禁(jin)(jin)與(yu)氧化劑、還原劑、堿類、食用(yong)化學(xue)品等混(hun)裝(zhuang)(zhuang)混(hun)運(yun)(yun)。運(yun)(yun)輸(shu)(shu)途(tu)中(zhong)應防曝曬、雨淋，防高溫。中(zhong)途(tu)停留時應遠離火(huo)(huo)種(zhong)、熱(re)源、高溫區(qu)。裝(zhuang)(zhuang)運(yun)(yun)該物品的(de)車(che)輛排氣管必須配(pei)備(bei)阻火(huo)(huo)裝(zhuang)(zhuang)置，禁(jin)(jin)止(zhi)使用(yong)易產(chan)生火(huo)(huo)花(hua)的(de)機械設(she)備(bei)和工具裝(zhuang)(zhuang)卸。公路運(yun)(yun)輸(shu)(shu)時要按規定路線行駛，勿(wu)在居(ju)民區(qu)和人(ren)口稠密(mi)區(qu)停留。鐵路運(yun)(yun)輸(shu)(shu)時要禁(jin)(jin)止(zhi)溜放。嚴(yan)禁(jin)(jin)用(yong)木船、水泥船散(san)裝(zhuang)(zhuang)運(yun)(yun)輸(shu)(shu)。 [1] 

貯存(cun)方法(fa)

1.本(ben)品具高度易燃性，有嚴重火災(zai)危險，屬于(yu)甲(jia)類火災(zai)危險物(wu)質(zhi)。儲存于(yu)陰涼干(gan)燥、良(liang)好通風處，遠離熱源、火源和有禁忌(ji)的(de)(de)物(wu)質(zhi)。所有容器都應放在(zai)地(di)面(mian)上。但久貯和回收的(de)(de)丙酮常(chang)有酸性雜質(zhi)存在(zai)，對金屬有腐(fu)蝕性。

2.用(yong)200L(53USgal)鐵(tie)桶(tong)(tong)包裝，每桶(tong)(tong)凈重(zhong)160kg，鐵(tie)桶(tong)(tong)內部應清潔(jie)、干燥(zao)。貯存于干燥(zao)、通風(feng)處，溫度保(bao)持在35℃以下(xia)，裝卸、運(yun)(yun)輸時(shi)防(fang)止猛烈撞擊，并防(fang)止日曬(shai)雨淋。按防(fang)火防(fang)爆化學品規定貯運(yun)(yun)。

3.儲(chu)(chu)(chu)存(cun)注(zhu)意事項(xiang)：儲(chu)(chu)(chu)存(cun)于(yu)陰涼、通(tong)風良好的專用(yong)庫房內，遠(yuan)離火種、熱(re)源。庫溫不(bu)宜(yi)超過29℃。保持容器密封。應與(yu)氧化劑、還(huan)原劑、堿類分開(kai)存(cun)放(fang)，切忌混儲(chu)(chu)(chu)。采用(yong)防爆型照明、通(tong)風設施。禁止使用(yong)易產生(sheng)火花的機(ji)械設備和工(gong)具(ju)。儲(chu)(chu)(chu)區應備有泄漏應急處(chu)理設備和合適的收容材料。 [11] 

常見謠(yao)言(yan)編輯

謠言：已知丙(bing)酮(tong)(tong)通常是無色液體(ti)，不(bu)溶于(yu)水，密度小于(yu)水，沸點(dian)為55℃，要(yao)從水與丙(bing)酮(tong)(tong)的(de)混(hun)合物里將丙(bing)酮(tong)(tong)分離(li)出來，下列方法中最合理的(de)是（分液）

駁斥：丙酮與(yu)水(shui)完全混溶，根本不(bu)能分液。丙酮能與(yu)水(shui)、乙(yi)醇、多元醇、酯、醚、酮、烴、鹵代烴等極性和非極性溶劑(ji)相(xiang)混溶，是(shi)一種典型的溶劑(ji)。