筛选出 4 条数据

    品牌 产品 货期 价格 货号 规格 /
    无机酸6303-21-5

    CAS号:6303-21-5

    品名:次磷酸PhosphinicAcid

    中文别名:次膦酸;卑磷酸;次亚磷酸;

    英文别名:HYPOPHOSPHOROUSACID;

    分子式:H4O4P2

    分子量:129.977

    精确质量:129.958

    Psa:108.1

    RTECS号:SZ6400000

    UNII号:8B1RL9B4ZJ

    外观与性状:无色液体

    密度:1.206g/mLat 20°C(lit.)

    沸点:108 °C (759.8513 mmHg)

    熔点:-25 °C

    折射率:1.39 (20ºC)

    稳定性:Stable. Incompatible with strong bases. Reacts violently with oxidizing agents, strong bases, mercury (II) nitrate and mercury (II) oxide. Do not heat above 100ºC.

    储存条件:Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

    安全说明:S26-S36/37/39-S45

    危险类别码:R34

    WGK Germany:1

    海关编码:2811199090

    危险品运输编码:UN 3264 8/PG 3

    危险类别:8

    包装等级:II

    危险品标志:C

    信号词:Danger

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

    危险标志:GHS05

    危险性描述:H314

     6303-21-5 详细信息

    无机酸

    CAS号:6303-21-5

    品名:次磷酸PhosphinicAcid

    中文别名:次膦酸;卑磷酸;次亚磷酸;

    英文别名:HYPOPHOSPHOROUSACID;

    分子式:H4O4P2

    分子量:129.977

    精确质量:129.958

    Psa:108.1

    RTECS号:SZ6400000

    UNII号:8B1RL9B4ZJ

    外观与性状:无色液体

    密度:1.206g/mLat 20°C(lit.)

    沸点:108 °C (759.8513 mmHg)

    熔点:-25 °C

    折射率:1.39 (20ºC)

    稳定性:Stable. Incompatible with strong bases. Reacts violently with oxidizing agents, strong bases, mercury (II) nitrate and mercury (II) oxide. Do not heat above 100ºC.

    储存条件:Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.

    安全说明:S26-S36/37/39-S45

    危险类别码:R34

    WGK Germany:1

    海关编码:2811199090

    危险品运输编码:UN 3264 8/PG 3

    危险类别:8

    包装等级:II

    危险品标志:C

    信号词:Danger

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

    危险标志:GHS05

    危险性描述:H314

    展开

    无机酸6303-21-5
    安耐吉 卑磷酸 Phosphinicacid 现货

     179.00
    W810055 50% w/winwater
    有机碱41233-93-6

    CAS号:41233-93-6

    品名:叔戊氧基钾Potassium2-Methyl-2-Butoxide

    中文别名:叔戊醇钾;

    英文别名:POTASSIUM2-METHYL-2-BUTOXIDE;Potassium2-methylbutan-2-olate;Potassiumtert-pentoxide,1M;

    分子式:C5H11KO

    分子量:126.239

    精确质量:126.045

    Psa:23.06

    MDL号:MFCD00064808

    外观与性状:无色至淡黄色液体

    密度:0.87

    沸点:81ºC

    闪点:4ºC

    安全说明:S26-S36/37/39-S43-S45

    危险类别码:R11; R14; R20; R34

    海关编码:2915900090

    包装等级:II

    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, GHS05, GHS07, GHS08

    危险性描述:H225; H304; H314; H336; H361d; H373

     41233-93-6 详细信息

    有机碱

    CAS号:41233-93-6

    品名:叔戊氧基钾Potassium2-Methyl-2-Butoxide

    中文别名:叔戊醇钾;

    英文别名:POTASSIUM2-METHYL-2-BUTOXIDE;Potassium2-methylbutan-2-olate;Potassiumtert-pentoxide,1M;

    分子式:C5H11KO

    分子量:126.239

    精确质量:126.045

    Psa:23.06

    MDL号:MFCD00064808

    外观与性状:无色至淡黄色液体

    密度:0.87

    沸点:81ºC

    闪点:4ºC

    安全说明:S26-S36/37/39-S43-S45

    危险类别码:R11; R14; R20; R34

    海关编码:2915900090

    包装等级:II

    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, GHS05, GHS07, GHS08

    危险性描述:H225; H304; H314; H336; H361d; H373

    展开

    有机碱41233-93-6
    安耐吉 叔戊醇钾 Potassiumtert-pentoxide 期货,请咨询

     167.00
    W8302800250 25% inToluene,Energyseal
    保护和衍生2916-68-9

    CAS号:2916-68-9

    品名:2-(三甲硅基)乙醇2-(Trimethylsilyl)ethanol

    中文别名:(2-羟基乙基)三甲基硅烷;2-(三甲基硅基)乙醇;三甲基硅乙醇;2-(三甲硅基)乙醇;

    英文别名:(2-Hydroxyethyl)Trimethylsilane;2-Trimethylsilanyl-ethanol;2-(TriMethylsilyl)ethanol;2-HYDROXYETHYLTRIMETHYLSILANE;trimethylsilylethanol;2-TMS-ethanol;trimethsilylethanol;

    分子式:C5H14OSi

    分子量:118.25

    精确质量:118.081

    Psa:20.23

    RTECS号:KM5480000

    MDL号:MFCD00002825

    外观与性状:透明无色液体

    密度:0.825g/mLat 25°C(lit.)

    沸点:71-73°C35mm Hg(lit.)

    熔点:0ºC

    闪点:123°F

    折射率:n20/D 1.423(lit.)

    稳定性:Stable at room temperature in closed containers under normal storage and handling conditions.

    储存条件:0-6ºC

    蒸汽压:1.972mmHg at 25°C

    安全说明:S16-S37/39-S26

    危险类别码:R10; R36/37/38

    WGK Germany:3

    海关编码:29310095

    危险品运输编码:UN 1987 3/PG 3

    危险类别:3

    包装等级:III

    危险品标志:Xi

    信号词:Warning

    危险标志:GHS02

    危险性描述:H226

    简介:2-(Trimethylsilyl)ethanolisaprotectingreagentforcarboxylandphosphategroups.

     2916-68-9 详细信息

    保护和衍生

    CAS号:2916-68-9

    品名:2-(三甲硅基)乙醇2-(Trimethylsilyl)ethanol

    中文别名:(2-羟基乙基)三甲基硅烷;2-(三甲基硅基)乙醇;三甲基硅乙醇;2-(三甲硅基)乙醇;

    英文别名:(2-Hydroxyethyl)Trimethylsilane;2-Trimethylsilanyl-ethanol;2-(TriMethylsilyl)ethanol;2-HYDROXYETHYLTRIMETHYLSILANE;trimethylsilylethanol;2-TMS-ethanol;trimethsilylethanol;

    分子式:C5H14OSi

    分子量:118.25

    精确质量:118.081

    Psa:20.23

    RTECS号:KM5480000

    MDL号:MFCD00002825

    外观与性状:透明无色液体

    密度:0.825g/mLat 25°C(lit.)

    沸点:71-73°C35mm Hg(lit.)

    熔点:0ºC

    闪点:123°F

    折射率:n20/D 1.423(lit.)

    稳定性:Stable at room temperature in closed containers under normal storage and handling conditions.

    储存条件:0-6ºC

    蒸汽压:1.972mmHg at 25°C

    安全说明:S16-S37/39-S26

    危险类别码:R10; R36/37/38

    WGK Germany:3

    海关编码:29310095

    危险品运输编码:UN 1987 3/PG 3

    危险类别:3

    包装等级:III

    危险品标志:Xi

    信号词:Warning

    危险标志:GHS02

    危险性描述:H226

    简介:2-(Trimethylsilyl)ethanolisaprotectingreagentforcarboxylandphosphategroups.

    展开

    保护和衍生2916-68-9
    安耐吉 2-(三甲硅基)乙醇 2-(Trimethylsilyl)ethanol 现货

     109.00
    A0403080250 98%
    C-X键形成(无卤素)368-39-8

    CAS号:368-39-8

    品名:三乙基氧翁四氟硼酸Triethyloxoniumtetrafluoroborate

    中文别名:三乙基氧鎓四氟硼酸盐;三乙基氧四氟硼酸盐;三乙基氧;三乙基氧四氟硼酸;

    英文别名:triethyloxidanium,tetrafluoroborate;TriethyloxoniuMTetrafluoroborate;

    分子式:C6H15BF4O

    分子量:189.987

    精确质量:190.115

    Psa:9.23

    RTECS号:RR4584700

    EINECS号:206-705-1

    外观与性状:白色至淡黄色晶体粉末

    密度:1.328g/mLat 25°C

    沸点:203.5ºC at 760mmHg

    熔点:96-97°C

    闪点:76.9ºC

    储存条件:2-8ºC

    安全说明:S23-S24/25-S26-S36/37/39-S45-S22

    危险类别码:R14; R34; R40

    WGK Germany:2

    海关编码:29420000

    危险品运输编码:UN 3265 8/PG 2

    危险类别:4.1

    包装等级:II

    危险品标志:C

    信号词:Danger

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

    危险标志:GHS05

    危险性描述:H314

    简介:Triethyloxoniumtetrafluoroborateistheorganicoxoniumcompoundwiththeformula[(CH3CH2)3O]BF4.ItisoftencalledMeerwein'sReagentafteritsdiscovererHansMeerwein.Alsowellknownandcommerciallyavailableistherelatedtrimethyloxoniumtetrafluoroborate.Thecompoundsarewhitesolidsthatdissolveinpolarorganicsolvents.Theyarestrongalkylatingagents.AsidefromtheBF−4salt,manyrelatedderivativesareavailable.

    用途:1.强力乙基化剂,酸的酯化,蛋白质羧基修饰。

     368-39-8 详细信息

    C-X键形成(无卤素)

    CAS号:368-39-8

    品名:三乙基氧翁四氟硼酸Triethyloxoniumtetrafluoroborate

    中文别名:三乙基氧鎓四氟硼酸盐;三乙基氧四氟硼酸盐;三乙基氧;三乙基氧四氟硼酸;

    英文别名:triethyloxidanium,tetrafluoroborate;TriethyloxoniuMTetrafluoroborate;

    分子式:C6H15BF4O

    分子量:189.987

    精确质量:190.115

    Psa:9.23

    RTECS号:RR4584700

    EINECS号:206-705-1

    外观与性状:白色至淡黄色晶体粉末

    密度:1.328g/mLat 25°C

    沸点:203.5ºC at 760mmHg

    熔点:96-97°C

    闪点:76.9ºC

    储存条件:2-8ºC

    安全说明:S23-S24/25-S26-S36/37/39-S45-S22

    危险类别码:R14; R34; R40

    WGK Germany:2

    海关编码:29420000

    危险品运输编码:UN 3265 8/PG 2

    危险类别:4.1

    包装等级:II

    危险品标志:C

    信号词:Danger

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

    危险标志:GHS05

    危险性描述:H314

    简介:Triethyloxoniumtetrafluoroborateistheorganicoxoniumcompoundwiththeformula[(CH3CH2)3O]BF4.ItisoftencalledMeerwein'sReagentafteritsdiscovererHansMeerwein.Alsowellknownandcommerciallyavailableistherelatedtrimethyloxoniumtetrafluoroborate.Thecompoundsarewhitesolidsthatdissolveinpolarorganicsolvents.Theyarestrongalkylatingagents.AsidefromtheBF−4salt,manyrelatedderivativesareavailable.

    用途:1.强力乙基化剂,酸的酯化,蛋白质羧基修饰。

    展开

    C-X键形成(无卤素)368-39-8
    安耐吉 三乙基氧鎓四氟硼酸盐 Triethyloxoniumtetrafluorob... 现货

     120.00
    E0401810250 1.0mol/LinDichloromethane,Energyseal
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