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仲丁醇

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  • Limonda Likaoli
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主要应用范围

用于制造甲乙酮,合成香精、染料等的原料,也用作(zuo)溶剂。


中文别名
  • (±)-2-Butanol
  • 另丁醇
  • 2-丁醇
  • 2-甲基丙醇
  • 第二丁醇
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英文别名
  • 3-Methylthiocrotonic acid,S-sec-butyl ester
  • sec-Butyl S-senecthioate
  • 2-Butanol
  • S-sec-Butyl 3-methyl-2-butenethioate
  • 1-methyl-1-propanol
  • sec-Butyl 3-methyl-2-butenethioate
  • sec-Butanol
  • Sec-butyl alcohol
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CAS号
78-92-2
分子式
C4H10O
纯度
分子量
74.122


仲丁醇(chun)(78-92-2)的(de)(de)(de)制(zhi)(zhi)备(bei)(bei)方(fang)(fang)法(fa)(fa): 本品(pin)由裂解(jie)石油或天然气中(zhong)(zhong)的(de)(de)(de)丁烯于(yu)硫(liu)酸吸(xi)(xi)(xi)(xi)(xi)附后用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)蒸气水(shui)(shui)(shui)(shui)(shui)(shui)解(jie)而得。 储(chu)存方(fang)(fang)法(fa)(fa): 储(chu)存于(yu)阴凉、通风(feng)(feng)的(de)(de)(de)库房。远离火(huo)(huo)种、热源。库温不(bu)宜超过(guo)37℃。保(bao)持(chi)容器密封。应(ying)与氧(yang)化(hua)剂、酸类(lei)、卤素等分(fen)开存放(fang),切忌混储(chu)。采用(yong)(yong)(yong)(yong)防(fang)(fang)(fang)爆型(xing)照明、通风(feng)(feng)设(she)施。禁(jin)止(zhi)使(shi)(shi)用(yong)(yong)(yong)(yong)易产生(sheng)火(huo)(huo)花的(de)(de)(de)机械设(she)备(bei)(bei)和(he)(he)工(gong)(gong)具(ju)(ju)。储(chu)区(qu)应(ying)备(bei)(bei)有泄漏(lou)应(ying)急(ji)(ji)处理设(she)备(bei)(bei)和(he)(he)合(he)适的(de)(de)(de)收(shou)容材料(liao)。 鉴别(bie)试(shi)(shi)验:1.溶(rong)解(jie)性(xing)(xing) 易溶(rong)于(yu)水(shui)(shui)(shui)(shui)(shui)(shui);混溶(rong)于(yu)乙醇(chun)和(he)(he)乙醚。按OT-42方(fang)(fang)法(fa)(fa)测(ce)(ce)定。 2.相对密度(du)(du) 0.806~0.809。 3.应(ying)符合(he)图(tu)19302的(de)(de)(de)红外谱图(tu)。 质(zhi)量(liang)(liang)指标分(fen)析(xi): 1.酸度(du)(du)(醋酸计(ji)) 取(qu)试(shi)(shi)样60g,加酚酞试(shi)(shi)液(TS-167)数滴,用(yong)(yong)(yong)(yong)0.1mol/L氢氧(yang)化(hua)钾乙醇(chun)液滴定至(zhi)(zhi)出现粉红色(se),并(bing)维持(chi)15s。耗用(yong)(yong)(yong)(yong)量(liang)(liang)不(bu)得超过(guo)0.3ml。 2.醛和(he)(he)酮(以丁醛计(ji)) 按OT-7方(fang)(fang)法(fa)(fa)测(ce)(ce)定。试(shi)(shi)样量(liang)(liang)取(qu)10g,计(ji)算申的(de)(de)(de)当(dang)量(liang)(liang)因(yin)子(e)取(qu)36.06。 其(qi)它(ta)(ta): 职业(ye)接触(chu)限值(中(zhong)(zhong)国(guo))未制(zhi)(zhi)定标准职业(ye)接触(chu)限值(美国(guo))TLV-TWA: 100ppm监测(ce)(ce)方(fang)(fang)法(fa)(fa)无资料(liao)工(gong)(gong)程控制(zhi)(zhi)生(sheng)产过(guo)程密闭,全面通风(feng)(feng)。提(ti)供(gong)安(an)全淋浴(yu)和(he)(he)洗(xi)(xi)(xi)眼(yan)(yan)设(she)备(bei)(bei)呼(hu)吸(xi)(xi)(xi)(xi)(xi)系统(tong)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)一(yi)(yi)般(ban)不(bu)需(xu)要(yao)特(te)(te)殊防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu),高浓度(du)(du)接触(chu)时可佩(pei)戴(dai)(dai)过(guo)滤式(shi)防(fang)(fang)(fang)毒面具(ju)(ju)(半(ban)面罩)眼(yan)(yan)睛(jing)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)戴(dai)(dai)安(an)全防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)眼(yan)(yan)镜身体防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)穿(chuan)防(fang)(fang)(fang)静(jing)电(dian)工(gong)(gong)作服(fu)手(shou)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)戴(dai)(dai)一(yi)(yi)般(ban)作业(ye)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)手(shou)套其(qi)它(ta)(ta)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)工(gong)(gong)作现场(chang)(chang)严(yan)禁(jin)吸(xi)(xi)(xi)(xi)(xi)烟。保(bao)持(chi)良(liang)好(hao)的(de)(de)(de)卫(wei)(wei)生(sheng)习(xi)惯。 毒性(xing)(xing): 急(ji)(ji)性(xing)(xing)毒性(xing)(xing)LD50:2193mg/kg(大(da)鼠经(jing)口);4893mg/kg(兔经(jing)口);>2000mg/kg(大(da)鼠经(jing)皮(pi))刺激性(xing)(xing)家兔经(jing)皮(pi):500mg(24h),轻(qing)度(du)(du)刺激。家兔经(jing)眼(yan)(yan):100mg(24h),中(zhong)(zhong)度(du)(du)刺激其(qi)它(ta)(ta)大(da)鼠吸(xi)(xi)(xi)(xi)(xi)入最低中(zhong)(zhong)毒浓度(du)(du)(TCLo):5000ppm/7h(孕1~19d),致胚胎毒性(xing)(xing)。生(sheng)态毒性(xing)(xing)LD50:4300mg/L(24h)(金鱼(yu))。IC50:312mg/L(72h)(藻类(lei))生(sheng)物(wu)降(jiang)解(jie)性(xing)(xing)好(hao)氧(yang)生(sheng)物(wu)降(jiang)解(jie)(h):24~168。厌氧(yang)生(sheng)物(wu)降(jiang)解(jie)(h):96~672非生(sheng)物(wu)降(jiang)解(jie)性(xing)(xing)水(shui)(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)光氧(yang)化(hua)半(ban)衰期(qi)(h):3100~1.00×106。空气中(zhong)(zhong)光氧(yang)化(hua)半(ban)衰期(qi)(h):7.2~72。废(fei)(fei)弃(qi)物(wu)性(xing)(xing)质(zhi)危险(xian)废(fei)(fei)物(wu)废(fei)(fei)弃(qi)处置方(fang)(fang)法(fa)(fa)建(jian)议(yi)(yi)用(yong)(yong)(yong)(yong)焚烧法(fa)(fa)处置废(fei)(fei)弃(qi)注意事项处置前应(ying)参(can)阅国(guo)家和(he)(he)地(di)方(fang)(fang)有关(guan)法(fa)(fa)规。 泄漏(lou)应(ying)急(ji)(ji)处理:迅(xun)速撤(che)离泄漏(lou)污染区(qu)人(ren)员(yuan)至(zhi)(zhi)安(an)全区(qu),并(bing)进(jin)行(xing)隔离,严(yan)格限制(zhi)(zhi)出入。切断火(huo)(huo)源。建(jian)议(yi)(yi)应(ying)急(ji)(ji)处理人(ren)员(yuan)戴(dai)(dai)自给正压式(shi)呼(hu)吸(xi)(xi)(xi)(xi)(xi)器,穿(chuan)消防(fang)(fang)(fang)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)服(fu)。尽可能切断泄漏(lou)源。防(fang)(fang)(fang)止(zhi)进(jin)入下(xia)水(shui)(shui)(shui)(shui)(shui)(shui)道(dao)、排洪沟等限制(zhi)(zhi)性(xing)(xing)空间。小量(liang)(liang)泄漏(lou):用(yong)(yong)(yong)(yong)活性(xing)(xing)炭(tan)或其(qi)它(ta)(ta)惰性(xing)(xing)材料(liao)吸(xi)(xi)(xi)(xi)(xi)收(shou)。也(ye)可以用(yong)(yong)(yong)(yong)大(da)量(liang)(liang)水(shui)(shui)(shui)(shui)(shui)(shui)冲洗(xi)(xi)(xi),洗(xi)(xi)(xi)水(shui)(shui)(shui)(shui)(shui)(shui)稀(xi)释后放(fang)入废(fei)(fei)水(shui)(shui)(shui)(shui)(shui)(shui)系统(tong)。大(da)量(liang)(liang)泄漏(lou):构筑围堤或挖(wa)坑收(shou)容;用(yong)(yong)(yong)(yong)泡(pao)沫(mo)覆盖,降(jiang)低蒸气灾害(hai)。用(yong)(yong)(yong)(yong)防(fang)(fang)(fang)爆泵转至(zhi)(zhi)槽车或专用(yong)(yong)(yong)(yong)收(shou)集器内,回(hui)收(shou)或运至(zhi)(zhi)废(fei)(fei)物(wu)处理场(chang)(chang)所处置。 防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)措施: 1.呼(hu)吸(xi)(xi)(xi)(xi)(xi)系统(tong)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu):一(yi)(yi)般(ban)不(bu)需(xu)要(yao)特(te)(te)殊防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu),高浓度(du)(du)接触(chu)时可佩(pei)戴(dai)(dai)自吸(xi)(xi)(xi)(xi)(xi)过(guo)滤式(shi)防(fang)(fang)(fang)毒面具(ju)(ju)(半(ban)面罩)。 2.眼(yan)(yan)睛(jing)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu):戴(dai)(dai)安(an)全防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)眼(yan)(yan)镜。 3.身体防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu):穿(chuan)防(fang)(fang)(fang)静(jing)电(dian)工(gong)(gong)作服(fu)。 4.手(shou)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu):戴(dai)(dai)一(yi)(yi)般(ban)作业(ye)防(fang)(fang)(fang)护(hu)(hu)(hu)(hu)(hu)(hu)手(shou)套。 5.其(qi)它(ta)(ta):工(gong)(gong)作现场(chang)(chang)严(yan)禁(jin)吸(xi)(xi)(xi)(xi)(xi)烟。保(bao)持(chi)良(liang)好(hao)的(de)(de)(de)卫(wei)(wei)生(sheng)习(xi)惯。 急(ji)(ji)救措施: 1.皮(pi)肤接触(chu):脱去被(bei)污染的(de)(de)(de)衣(yi)着,用(yong)(yong)(yong)(yong)肥皂水(shui)(shui)(shui)(shui)(shui)(shui)和(he)(he)清水(shui)(shui)(shui)(shui)(shui)(shui)彻(che)底(di)冲洗(xi)(xi)(xi)皮(pi)肤。就医。 2.眼(yan)(yan)睛(jing)接触(chu):立即提(ti)起(qi)眼(yan)(yan)睑,用(yong)(yong)(yong)(yong)大(da)量(liang)(liang)流动(dong)清水(shui)(shui)(shui)(shui)(shui)(shui)或生(sheng)理盐水(shui)(shui)(shui)(shui)(shui)(shui)彻(che)底(di)冲洗(xi)(xi)(xi)至(zhi)(zhi)少15分(fen)钟。就医。 3.吸(xi)(xi)(xi)(xi)(xi)入:迅(xun)速脱离现场(chang)(chang)至(zhi)(zhi)空气新(xin)鲜处。保(bao)持(chi)呼(hu)吸(xi)(xi)(xi)(xi)(xi)道(dao)通畅。如(ru)呼(hu)吸(xi)(xi)(xi)(xi)(xi)困难,给输氧(yang)。如(ru)呼(hu)吸(xi)(xi)(xi)(xi)(xi)停止(zhi)时,立即进(jin)行(xing)人(ren)工(gong)(gong)呼(hu)吸(xi)(xi)(xi)(xi)(xi)。就医。 4.食(shi)入:饮足量(liang)(liang)温水(shui)(shui)(shui)(shui)(shui)(shui),催吐。就医。 5.灭火(huo)(huo)方(fang)(fang)法(fa)(fa):用(yong)(yong)(yong)(yong)雾状(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)保(bao)持(chi)火(huo)(huo)场(chang)(chang)容器冷却,用(yong)(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)(shui)喷射逸出液体,使(shi)(shi)其(qi)稀(xi)释成不(bu)燃性(xing)(xing)混合(he)物(wu),并(bing)用(yong)(yong)(yong)(yong)雾状(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)保(bao)护(hu)(hu)(hu)(hu)(hu)(hu)消防(fang)(fang)(fang)人(ren)员(yuan)。灭火(huo)(huo)剂:抗溶(rong)性(xing)(xing)泡(pao)沫(mo)、干粉、二(er)氧(yang)化(hua)碳、雾状(zhuang)水(shui)(shui)(shui)(shui)(shui)(shui)、1211灭火(huo)(huo)剂、砂土(tu)。

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