筛选出 4 条数据

    品牌 产品 货期 价格 货号 规格 /
    镁109-88-6

    CAS号:109-88-6

    品名:甲醇镁MAGNESIUMMETHOXIDE

    中文别名:甲醇镁

    英文别名:magnesium,methanolate;

    分子式:C2H6MgO2

    分子量:86.3728

    精确质量:86.0218

    Psa:18.46

    EINECS号:203-715-8

    MDL号:MFCD00053671

    密度:0.816g/mLat 25°C

    沸点:48.1ºC at 760mmHg

    闪点:46°F

    折射率:n20/D 1.3381

    蒸汽压:265mmHg at 25°C

    安全说明:S16; S36/37; S45

    危险类别码:R11

    WGK Germany:1

    危险品运输编码:UN 3274 3/PG 2

    危险类别:3

    包装等级:II

    危险品标志:F; T

    信号词:Danger

    危险性防范说明:P210; P260; P280; P301 + P310; P305 + P351 + P338; P310

    危险标志:GHS02, GHS05, GHS06, GHS08

    危险性描述:H225; H301 + H311 + H331; H314; H370

    用途:甲醇镁用于催化剂,医药,香精香料,食品等行业。

     109-88-6 详细信息

    CAS号:109-88-6

    品名:甲醇镁MAGNESIUMMETHOXIDE

    中文别名:甲醇镁

    英文别名:magnesium,methanolate;

    分子式:C2H6MgO2

    分子量:86.3728

    精确质量:86.0218

    Psa:18.46

    EINECS号:203-715-8

    MDL号:MFCD00053671

    密度:0.816g/mLat 25°C

    沸点:48.1ºC at 760mmHg

    闪点:46°F

    折射率:n20/D 1.3381

    蒸汽压:265mmHg at 25°C

    安全说明:S16; S36/37; S45

    危险类别码:R11

    WGK Germany:1

    危险品运输编码:UN 3274 3/PG 2

    危险类别:3

    包装等级:II

    危险品标志:F; T

    信号词:Danger

    危险性防范说明:P210; P260; P280; P301 + P310; P305 + P351 + P338; P310

    危险标志:GHS02, GHS05, GHS06, GHS08

    危险性描述:H225; H301 + H311 + H331; H314; H370

    用途:甲醇镁用于催化剂,医药,香精香料,食品等行业。

    展开

    镁109-88-6
    安耐吉 甲醇镁 Magnesiummethoxide 现货

     129.00
    E060121 7-8wt.% inmethanol
    钴61789-51-3

    CAS号:61789-51-3

    品名:环烷酸钴CobaltNaphthenate

    中文别名:石油酸亚钴;萘酸钴;石油酸钴;

    英文别名:cobalt(2+),naphthalene-2-carboxylate;

    分子式:C20H34CoO4

    分子量:397.415

    精确质量:397.179

    Psa:80.26

    EINECS号:263-064-0

    外观与性状:黄色至棕色树脂质的液体

    密度:0.95

    熔点:140ºC

    闪点:49ºC

    折射率:n20/D 1.4620

    储存条件:2-8ºC

    安全说明:S23-S45-S53-S60-S61-S36-S37

    危险类别码:R49; R10; R36/38; R42/43; R50/53; R40

    包装等级:III

    信号词:Danger

    危险性防范说明:P210; P261; P280; P284; P301 + P310; P370 + P378

    危险标志:GHS02, GHS08

    危险性描述:H226; H304; H317; H334

    简介:Cobalt(II)naphthenateisamixtureofcobalt(II)derivativesofnaphthenicacids.CobaltNaphthenateisacobaltsourcethatissolubleinorganicsolventsasanorganometalliccompound(alsoknownasmetalorganic,organo-inorganicandmetallo-organiccompounds).Cobaltnaphthenateisthecobaltsaltofnaphthenicacids.NaphthenicacidsareacomplexgroupofcarboxylicacidswiththegeneralformulaC,HZ~+~O~,wherenindicatesthecarbonnumberandZspecifiesthehydrogendeficiencyresultingfromringformation.Cobaltnaphthenateisthusamemberofthemetalcarboxylatesgroup.Allofthemetalcarboxylatesaltsaredesignedtoaddmetalstochemicalreactions.Theythereforeareexpectedtodissociateintofreemetalandfreeacid.Thehighpurityacetylacetonateanioncomplexesbybondingeachoxygenatomtothemetalliccationtoformachelatering.Becauseofthisproperty,CobaltNaphthenateiscommonlyusedinvariouscatalystsandcatalyticreagentsfororganicsynthesis.Thesecoordinationcomplexesarewidelyusedasoildryingagentsfortheautoxidativecrosslinkingofdryingoils.Metalnaphthenatesarenotwelldefinedinconventionalchemicalsensethattheyaremixtures.Theyarewidelyemployedcatalystsbecausetheyaresolubleinthenonpolarsubstrates,suchasthealkydresinsorlinseedoil.Thefactthatnaphthenatesaremixtureshelpstoconferhighsolubility.Asecondvirtueofthesespeciesistheirlowcost.Awell-definedcompoundthatexhibitsmanyofthepropertiesofcobaltnaphthenateisthecobalt(II)complexof2-ethylhexanoicacid.Oftenintechnicalliterature,naphthenatesaredescribedassalts,buttheyareprobablyalsonon-ioniccoordinationcomplexeswithstructuressimilartobasiczincacetate.Cobaltnaphthenateisusedprimarilyinunsaturatedpolyesterresins,paintdrierapplicationsandrubberadhesionpromotioninthetireindustry.Onecharacteristicofcobaltnaphthenateandothermetalcarboxylatesisthattheyreadilydissociatefromanionpairintofreemetalandfreeacid.Theyarefoundaspartiallydissociatedproductsintheambientenvironment(i.e.,neutralpH).DissociationisareversibleprocessandtheproportionofdissociatedsaltisdependentonthepHandpKa(thedissociationconstant),whichisthepHatwhich50%dissociationoccurs.InthelowpHenvironmentofthedigestivetract3(e.g.,pH1.2)completedissociationwilloccurforthesemetalcarboxylates.Thetransportand’bioavailabilityofthemetalsandacidsaredeterminedbytheirsolubilityinenvironmentalmediaandbiologicalfluidswhichisdeterminedbyenvironmentalparameterssuchaspH.Dissociationisareversiblereaction,splittingtheparentcompoundintotwoormorechemicalspecieswhichmaybeionic,butarenotnecessarilyso.Theprocesscanbegenerallyrepresentedas:

    用途:主要用于橡胶粘合剂。

     61789-51-3 详细信息

    CAS号:61789-51-3

    品名:环烷酸钴CobaltNaphthenate

    中文别名:石油酸亚钴;萘酸钴;石油酸钴;

    英文别名:cobalt(2+),naphthalene-2-carboxylate;

    分子式:C20H34CoO4

    分子量:397.415

    精确质量:397.179

    Psa:80.26

    EINECS号:263-064-0

    外观与性状:黄色至棕色树脂质的液体

    密度:0.95

    熔点:140ºC

    闪点:49ºC

    折射率:n20/D 1.4620

    储存条件:2-8ºC

    安全说明:S23-S45-S53-S60-S61-S36-S37

    危险类别码:R49; R10; R36/38; R42/43; R50/53; R40

    包装等级:III

    信号词:Danger

    危险性防范说明:P210; P261; P280; P284; P301 + P310; P370 + P378

    危险标志:GHS02, GHS08

    危险性描述:H226; H304; H317; H334

    简介:Cobalt(II)naphthenateisamixtureofcobalt(II)derivativesofnaphthenicacids.CobaltNaphthenateisacobaltsourcethatissolubleinorganicsolventsasanorganometalliccompound(alsoknownasmetalorganic,organo-inorganicandmetallo-organiccompounds).Cobaltnaphthenateisthecobaltsaltofnaphthenicacids.NaphthenicacidsareacomplexgroupofcarboxylicacidswiththegeneralformulaC,HZ~+~O~,wherenindicatesthecarbonnumberandZspecifiesthehydrogendeficiencyresultingfromringformation.Cobaltnaphthenateisthusamemberofthemetalcarboxylatesgroup.Allofthemetalcarboxylatesaltsaredesignedtoaddmetalstochemicalreactions.Theythereforeareexpectedtodissociateintofreemetalandfreeacid.Thehighpurityacetylacetonateanioncomplexesbybondingeachoxygenatomtothemetalliccationtoformachelatering.Becauseofthisproperty,CobaltNaphthenateiscommonlyusedinvariouscatalystsandcatalyticreagentsfororganicsynthesis.Thesecoordinationcomplexesarewidelyusedasoildryingagentsfortheautoxidativecrosslinkingofdryingoils.Metalnaphthenatesarenotwelldefinedinconventionalchemicalsensethattheyaremixtures.Theyarewidelyemployedcatalystsbecausetheyaresolubleinthenonpolarsubstrates,suchasthealkydresinsorlinseedoil.Thefactthatnaphthenatesaremixtureshelpstoconferhighsolubility.Asecondvirtueofthesespeciesistheirlowcost.Awell-definedcompoundthatexhibitsmanyofthepropertiesofcobaltnaphthenateisthecobalt(II)complexof2-ethylhexanoicacid.Oftenintechnicalliterature,naphthenatesaredescribedassalts,buttheyareprobablyalsonon-ioniccoordinationcomplexeswithstructuressimilartobasiczincacetate.Cobaltnaphthenateisusedprimarilyinunsaturatedpolyesterresins,paintdrierapplicationsandrubberadhesionpromotioninthetireindustry.Onecharacteristicofcobaltnaphthenateandothermetalcarboxylatesisthattheyreadilydissociatefromanionpairintofreemetalandfreeacid.Theyarefoundaspartiallydissociatedproductsintheambientenvironment(i.e.,neutralpH).DissociationisareversibleprocessandtheproportionofdissociatedsaltisdependentonthepHandpKa(thedissociationconstant),whichisthepHatwhich50%dissociationoccurs.InthelowpHenvironmentofthedigestivetract3(e.g.,pH1.2)completedissociationwilloccurforthesemetalcarboxylates.Thetransportand’bioavailabilityofthemetalsandacidsaredeterminedbytheirsolubilityinenvironmentalmediaandbiologicalfluidswhichisdeterminedbyenvironmentalparameterssuchaspH.Dissociationisareversiblereaction,splittingtheparentcompoundintotwoormorechemicalspecieswhichmaybeionic,butarenotnecessarilyso.Theprocesscanbegenerallyrepresentedas:

    用途:主要用于橡胶粘合剂。

    展开

    钴61789-51-3
    安耐吉 环烷酸钴 Cobaltnaphthenate 现货

     298.00
    E061123 Co,8% -10%
    钐32248-43-4

    CAS号:32248-43-4

    品名:碘化钐Samarium(II)iodide

    中文别名:二碘化钐(II);

    英文别名:Samariumiodide(SmI2);Samariumdiiodide;

    分子式:I2Sm

    分子量:404.169

    精确质量:405.729

    Psa:0.0

    UNII号:L15T8U41LC

    密度:0.922

    闪点:-2 °F

    安全说明:S16; S29; S33

    危险类别码:R11

    危险品运输编码:UN 2056 3/PG 2

    包装等级:II

    危险品标志:F; Xi

    信号词:Danger

    危险性防范说明:P210; P260; P280; P305 + P351 + P338; P370 + P378; P403 + P235

    危险标志:GHS02, GHS07, GHS08

    危险性描述:H225; H319; H335; H351; H373

    简介:二碘化钐(化学式:SmI2),IUPAC名称为碘化钐(II),绿色固体,用作有机合成中的单电子转移还原剂。对空气敏感,但是反应中可以允许水的存在。一般以0.1mol/L的THF深蓝色溶液的形式出售,钐为七配位,单帽八面体构型。

     32248-43-4 详细信息

    CAS号:32248-43-4

    品名:碘化钐Samarium(II)iodide

    中文别名:二碘化钐(II);

    英文别名:Samariumiodide(SmI2);Samariumdiiodide;

    分子式:I2Sm

    分子量:404.169

    精确质量:405.729

    Psa:0.0

    UNII号:L15T8U41LC

    密度:0.922

    闪点:-2 °F

    安全说明:S16; S29; S33

    危险类别码:R11

    危险品运输编码:UN 2056 3/PG 2

    包装等级:II

    危险品标志:F; Xi

    信号词:Danger

    危险性防范说明:P210; P260; P280; P305 + P351 + P338; P370 + P378; P403 + P235

    危险标志:GHS02, GHS07, GHS08

    危险性描述:H225; H319; H335; H351; H373

    简介:二碘化钐(化学式:SmI2),IUPAC名称为碘化钐(II),绿色固体,用作有机合成中的单电子转移还原剂。对空气敏感,但是反应中可以允许水的存在。一般以0.1mol/L的THF深蓝色溶液的形式出售,钐为七配位,单帽八面体构型。

    展开

    钐32248-43-4
    安耐吉 二碘化钐(II) Samarium(II)iodide 现货

     199.00
    W4300290250 0.1mol/LinTHF,Energyseal
    其他配体4984-82-1

    CAS号:4984-82-1

    品名:环戊二烯基钠Sodiumcyclopentadienide

    中文别名:环戊二烯化钠;环戊二烯钠;

    英文别名:Cyclopentadienylsodium;SODIUMCYCLOPENTADIENIDE;

    分子式:C5H5Na

    分子量:88.083

    精确质量:88.0289

    Psa:0.0

    EINECS号:225-636-8

    外观与性状:白色至淡灰色或淡黄色粉末

    密度:0.946g/mLat 20°C

    沸点:41.5ºC at 760mmHg

    闪点:1°F

    储存条件:2-8ºC

    安全说明:S16; S26; S36/37/39; S45

    危险类别码:R11

    WGK Germany:3

    危险品运输编码:UN 1993 3/PG 2

    危险类别:4.3

    包装等级:II

    危险品标志:F; Xi

    信号词:Danger

    危险性防范说明:P210; P231 + P232; P280; P370 + P378; P402 + P404; P403 + P235

    危险标志:GHS02, GHS05, GHS07, GHS08

    危险性描述:H225; H260; H302; H314; H335; H351

    简介:环戊二烯基钠是一种有机钠化合物,化学式为C5H5Na。通常简称为NaCp或CpNa,其中Cp−是环戊二烯阴离子。在配位化学中,Cp也作为环戊二烯基配体的缩写。

    用途:用作制备金属茂和环戊二烯金属络合物的试剂。

     4984-82-1 详细信息

    其他配体

    CAS号:4984-82-1

    品名:环戊二烯基钠Sodiumcyclopentadienide

    中文别名:环戊二烯化钠;环戊二烯钠;

    英文别名:Cyclopentadienylsodium;SODIUMCYCLOPENTADIENIDE;

    分子式:C5H5Na

    分子量:88.083

    精确质量:88.0289

    Psa:0.0

    EINECS号:225-636-8

    外观与性状:白色至淡灰色或淡黄色粉末

    密度:0.946g/mLat 20°C

    沸点:41.5ºC at 760mmHg

    闪点:1°F

    储存条件:2-8ºC

    安全说明:S16; S26; S36/37/39; S45

    危险类别码:R11

    WGK Germany:3

    危险品运输编码:UN 1993 3/PG 2

    危险类别:4.3

    包装等级:II

    危险品标志:F; Xi

    信号词:Danger

    危险性防范说明:P210; P231 + P232; P280; P370 + P378; P402 + P404; P403 + P235

    危险标志:GHS02, GHS05, GHS07, GHS08

    危险性描述:H225; H260; H302; H314; H335; H351

    简介:环戊二烯基钠是一种有机钠化合物,化学式为C5H5Na。通常简称为NaCp或CpNa,其中Cp−是环戊二烯阴离子。在配位化学中,Cp也作为环戊二烯基配体的缩写。

    用途:用作制备金属茂和环戊二烯金属络合物的试剂。

    展开

    其他配体4984-82-1
    安耐吉 环戊二烯化钠 Sodiumcyclopentadienylide 现货

     159.00
    W3303690250 2.0mol/linTHF,Energyseal
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