筛选出 7 条数据

    品牌 产品 货期 价格 货号 规格 /
    有机标准溶液63466-71-7

    CAS号:63466-71-7

    品名:苯并[a]芘-d121,2,3,4,5,6,7,8,9,10,11,12-dodecadeuteriobenzo[a]pyrene

    中文别名:苯并(a)芘同位素;苯并芘-d12;苯并(a)芘;

    英文别名:Perdeuteriobenzo<a>pyren;3,4-Benzopyrene-d12;

    分子式:C20D12

    分子量:264.383

    精确质量:264.169

    Psa:0.0

    PubChem号:24868023

    密度:1.348 g/cm3

    沸点:495ºC(lit.)

    熔点:177-180ºC(lit.)

    闪点:228.6ºC

    储存条件:0-6ºC

    安全说明:S45-S53-S60-S61

    危险类别码:R45

    危险品运输编码:UN 3077 9/PG 3

    危险品标志:T; N

     63466-71-7 详细信息

    有机标准溶液

    CAS号:63466-71-7

    品名:苯并[a]芘-d121,2,3,4,5,6,7,8,9,10,11,12-dodecadeuteriobenzo[a]pyrene

    中文别名:苯并(a)芘同位素;苯并芘-d12;苯并(a)芘;

    英文别名:Perdeuteriobenzo<a>pyren;3,4-Benzopyrene-d12;

    分子式:C20D12

    分子量:264.383

    精确质量:264.169

    Psa:0.0

    PubChem号:24868023

    密度:1.348 g/cm3

    沸点:495ºC(lit.)

    熔点:177-180ºC(lit.)

    闪点:228.6ºC

    储存条件:0-6ºC

    安全说明:S45-S53-S60-S61

    危险类别码:R45

    危险品运输编码:UN 3077 9/PG 3

    危险品标志:T; N

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    有机标准溶液63466-71-7
    Accustandard Benzo(a)pyrene-d12@10μg/m... Benzo(a)pyrene-d12@10μg/m... 4-6周

     3920.00
    S-25067-0.1X /
    衍生化试剂119-26-6

    CAS号:119-26-6

    品名:2,4-二硝基苯肼2,4-dinitrophenylhydrazine

    中文别名:二硝基苯肼;1,4-二硝苯肼;2,4-二硝基酚联胺;

    英文别名:DINITROPHENYLHYDRAZINE;(2,4-dinitro-phenyl)-hydrazine;DNPH;DNP;2,4-Dinitrophenylhydrazine(containsHCl)Ethanol;DINITROPHENYLHYDRAZ;Dinitrophenylhydrzine;Hydrazine,(2,4-dinitrophenyl)-;2,4-DIBROMO-5-METHYLBENZOTRIFLUORIDE;Brady'sreagent;2,4-Dinitrophenylhydrazine;2,4-Dinitrofenylhydrazin;Dnp-hydrazine;

    分子式:C6H6N4O4

    分子量:198.136

    精确质量:198.039

    Psa:129.69

    RTECS号:MV3325000

    BRN号:615586

    MDL号:MFCD00007578

    PubChem号:24866416

    外观与性状:红色粉末

    密度:0.843g/mLat 20°C

    沸点:378.6ºC at 760mmHg

    熔点:197-200°C(lit.)

    闪点:14°C

    折射率:n20/D 1.374

    稳定性:Stable when wet, but explosive when dry. May be shock sensitive when dry. Highly flammable. Incompatible with strong oxidizing agents.

    储存条件:库房通风低温干燥,与氧化剂分开存放

    蒸汽压:6.21E-06mmHg at 25°C

    安全说明:S35-S48A-S45-S36/37-S16

    危险类别码:R1; R11; R22; R40

    WGK Germany:3

    海关编码:2928000090

    危险品运输编码:UN 3380 4.1/PG 1

    危险类别:4.1

    包装等级:II

    危险品标志:F; Xn

    简介:2,4-二硝基苯肼(2,4-Dinitrophenylhydrazine)是一种有机化合物,化学式为C6H3(NO2)2NHNH2。此化学品对摩擦和震动十分敏感,容易爆炸,所以需要小心处理。它在室温下是一种橙红色固体,因其爆炸机会大,所以通常将它润湿再作处理。2,4-二硝基苯肼可用于检验羰基及制造炸弹。

    用途:测定醛类、酮类和合成樟脑,测定转氨酶和肝功能。用作检验醛、酮的试剂及色谱分析试剂。用于薄层色谱法测定醛、酮类的显色试剂。用作醛和酮的紫外衍生试剂,用于有机合成及炸药制造。用作光度法测定醛、酮类的显色剂,薄层色谱法测定醛、酮类的显色试剂。还用作醛和酮的紫外衍生试剂。用于有机合成。用于炸药制造,也作化学试剂。

     119-26-6 详细信息

    衍生化试剂

    CAS号:119-26-6

    品名:2,4-二硝基苯肼2,4-dinitrophenylhydrazine

    中文别名:二硝基苯肼;1,4-二硝苯肼;2,4-二硝基酚联胺;

    英文别名:DINITROPHENYLHYDRAZINE;(2,4-dinitro-phenyl)-hydrazine;DNPH;DNP;2,4-Dinitrophenylhydrazine(containsHCl)Ethanol;DINITROPHENYLHYDRAZ;Dinitrophenylhydrzine;Hydrazine,(2,4-dinitrophenyl)-;2,4-DIBROMO-5-METHYLBENZOTRIFLUORIDE;Brady'sreagent;2,4-Dinitrophenylhydrazine;2,4-Dinitrofenylhydrazin;Dnp-hydrazine;

    分子式:C6H6N4O4

    分子量:198.136

    精确质量:198.039

    Psa:129.69

    RTECS号:MV3325000

    BRN号:615586

    MDL号:MFCD00007578

    PubChem号:24866416

    外观与性状:红色粉末

    密度:0.843g/mLat 20°C

    沸点:378.6ºC at 760mmHg

    熔点:197-200°C(lit.)

    闪点:14°C

    折射率:n20/D 1.374

    稳定性:Stable when wet, but explosive when dry. May be shock sensitive when dry. Highly flammable. Incompatible with strong oxidizing agents.

    储存条件:库房通风低温干燥,与氧化剂分开存放

    蒸汽压:6.21E-06mmHg at 25°C

    安全说明:S35-S48A-S45-S36/37-S16

    危险类别码:R1; R11; R22; R40

    WGK Germany:3

    海关编码:2928000090

    危险品运输编码:UN 3380 4.1/PG 1

    危险类别:4.1

    包装等级:II

    危险品标志:F; Xn

    简介:2,4-二硝基苯肼(2,4-Dinitrophenylhydrazine)是一种有机化合物,化学式为C6H3(NO2)2NHNH2。此化学品对摩擦和震动十分敏感,容易爆炸,所以需要小心处理。它在室温下是一种橙红色固体,因其爆炸机会大,所以通常将它润湿再作处理。2,4-二硝基苯肼可用于检验羰基及制造炸弹。

    用途:测定醛类、酮类和合成樟脑,测定转氨酶和肝功能。用作检验醛、酮的试剂及色谱分析试剂。用于薄层色谱法测定醛、酮类的显色试剂。用作醛和酮的紫外衍生试剂,用于有机合成及炸药制造。用作光度法测定醛、酮类的显色剂,薄层色谱法测定醛、酮类的显色试剂。还用作醛和酮的紫外衍生试剂。用于有机合成。用于炸药制造,也作化学试剂。

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    衍生化试剂119-26-6
    Accustandard 2,4-二硝基苯肼(标准品) 2,4-Dinitrophenylhydrazine,... 28天

     1333.00
    M-1667A-DERV 1000μg/mLinAcetonitrile
    有机标准溶液2051-24-3

    CAS号:2051-24-3

    品名:十氯联苯decachlorobiphenyl

    中文别名:十氯聯苯;异辛烷/甲苯中PCB209溶液;2,2',3,3',4,4',5,5',6,6'−PCB;

    英文别名:Decachlorobiphenylsolution;Perchlorobiphenyl;PCB209;1,2,3,4,5-pentachloro-6-(2,3,4,5,6-pentachlorophenyl)benzene;AmbscLK-365;2,2',3,3',4,4',5,5',6,6'-PCB;1,1'-Biphenyl,2,2',3,3',4,4',5,5',6,6'-decachloro;Decachlorobiphenyl;1,1‘-Biphenyl,2,2‘,3,3‘,4,4‘,5,5‘,6,6‘-decachloro-;Decachloro-1,1'-biphenyl;PCBNo209solution;

    分子式:C12Cl10

    分子量:498.658

    精确质量:493.689

    Psa:0.0

    UNII号:N8AL7T0ATT

    密度:1.818g/cm3

    沸点:466ºC at 760mmHg

    闪点:232.7ºC

    折射率:1.648

    储存条件:2-8ºC

    蒸汽压:2.05E-08mmHg at 25°C

    安全说明:35-60-61-62

    危险类别码:R33; R50/53; R67; R65; R38; R11

    海关编码:2903999010

    危险品运输编码:UN 2315

    包装等级:II

    危险品标志:N; Xn; F

     2051-24-3 详细信息

    有机标准溶液

    CAS号:2051-24-3

    品名:十氯联苯decachlorobiphenyl

    中文别名:十氯聯苯;异辛烷/甲苯中PCB209溶液;2,2',3,3',4,4',5,5',6,6'−PCB;

    英文别名:Decachlorobiphenylsolution;Perchlorobiphenyl;PCB209;1,2,3,4,5-pentachloro-6-(2,3,4,5,6-pentachlorophenyl)benzene;AmbscLK-365;2,2',3,3',4,4',5,5',6,6'-PCB;1,1'-Biphenyl,2,2',3,3',4,4',5,5',6,6'-decachloro;Decachlorobiphenyl;1,1‘-Biphenyl,2,2‘,3,3‘,4,4‘,5,5‘,6,6‘-decachloro-;Decachloro-1,1'-biphenyl;PCBNo209solution;

    分子式:C12Cl10

    分子量:498.658

    精确质量:493.689

    Psa:0.0

    UNII号:N8AL7T0ATT

    密度:1.818g/cm3

    沸点:466ºC at 760mmHg

    闪点:232.7ºC

    折射率:1.648

    储存条件:2-8ºC

    蒸汽压:2.05E-08mmHg at 25°C

    安全说明:35-60-61-62

    危险类别码:R33; R50/53; R67; R65; R38; R11

    海关编码:2903999010

    危险品运输编码:UN 2315

    包装等级:II

    危险品标志:N; Xn; F

    展开

    有机标准溶液2051-24-3
    Accustandard 十氯联苯(标准品) DIN38414-20InternalStanda... 28天

     533.00
    DIN38414-20-IS 10μg/mLinHexane
    Accustandard 十氯联苯(标准品) Decachlorobiphenyl,5.0μg/m... 28天

     2624.00
    M-8082-ISC-WL 5.0μg/mLinHexane
    农业和环境标准品119-93-7

    CAS号:119-93-7

    品名:4,4'-二氨基-3,3'-二甲基联苯C.I.37230

    中文别名:联托胺;联邻甲苯胺;邻联甲苯胺;3,3'-二甲基联苯胺;4,4’-二氨基-3,3’-二甲基联苯;

    英文别名:3,3'-Dimethylbenzidine4,4'-Bianisidine;Ellms-Hauser;4,4'-Diamino-3,3'-dimethylbiphenyl;[1,1‘-Biphenyl]-4,4‘-diamine,3,3‘-dimethyl-;o-Tolidine,pract;3,3'-dimethylbiphenyl-4,4'-diamine;O-TOLIDINE;Tolidine;3,3'-dimethyl-4,4'-biphenyldiamine;o-Tolidin;3,3'-dimethyl-4,4'-diamino-biphenyl;3,3'-dimethylbenzidine;3,3'-Dimethylbenzidine;3,3'-Tolidine;2-Tolidina;2-Tolidine;DMB;o-Tolidine(3,3'-Dimethylbenzidine);diaminotolyl;bianisidine;ο-Tolidine;2-Tolidin;

    分子式:C14H16N2

    分子量:212.29

    精确质量:212.131

    Psa:52.04

    RTECS号:DD1225000

    BRN号:2210640

    EINECS号:204-358-0

    MDL号:MFCD00014773

    PubChem号:24900054

    外观与性状:淡灰色-绿色至灰色粉末

    密度:1.106 g/cm3

    沸点:300.5 °C

    熔点:128-131°C(lit.)

    闪点:244 °C

    折射率:n20/D 1.341

    稳定性:Stable under normal temperatures and pressures.

    储存条件:库房通风低温干燥,与酸类、氧化剂、食品添加剂分开存放

    蒸汽压:2.14E-05mmHg at 25°C

    安全说明:53-45-61

    危险类别码:R22; R45; R51/53; R68

    WGK Germany:3

    海关编码:29309070

    危险品运输编码:UN 3082 9/PG 3

    危险类别:6.1(b)

    包装等级:III

    危险品标志:T; N

    信号词:Danger

    危险性防范说明:P201; P308 + P313

    危险标志:GHS05, GHS08

    危险性描述:H290; H350

    简介:3,3'-Tolidine,isanimportantaromaticamineusedmainlyfordyeproduction,butalsofortheproductionofcertainelastomers.Itisalsoananintermediatefortheproductionofsolubleazodyesandinsolublepigmentsusedparticularlyinthetextile,leatherandpaperindustries.

    用途:1.金、铈、游离氯的光度测定。测定硝酸盐、锰、亚硝酸盐、铬盐、铜盐、钴、汞和空气中的氰离子。

     119-93-7 详细信息

    农业和环境标准品

    CAS号:119-93-7

    品名:4,4'-二氨基-3,3'-二甲基联苯C.I.37230

    中文别名:联托胺;联邻甲苯胺;邻联甲苯胺;3,3'-二甲基联苯胺;4,4’-二氨基-3,3’-二甲基联苯;

    英文别名:3,3'-Dimethylbenzidine4,4'-Bianisidine;Ellms-Hauser;4,4'-Diamino-3,3'-dimethylbiphenyl;[1,1‘-Biphenyl]-4,4‘-diamine,3,3‘-dimethyl-;o-Tolidine,pract;3,3'-dimethylbiphenyl-4,4'-diamine;O-TOLIDINE;Tolidine;3,3'-dimethyl-4,4'-biphenyldiamine;o-Tolidin;3,3'-dimethyl-4,4'-diamino-biphenyl;3,3'-dimethylbenzidine;3,3'-Dimethylbenzidine;3,3'-Tolidine;2-Tolidina;2-Tolidine;DMB;o-Tolidine(3,3'-Dimethylbenzidine);diaminotolyl;bianisidine;ο-Tolidine;2-Tolidin;

    分子式:C14H16N2

    分子量:212.29

    精确质量:212.131

    Psa:52.04

    RTECS号:DD1225000

    BRN号:2210640

    EINECS号:204-358-0

    MDL号:MFCD00014773

    PubChem号:24900054

    外观与性状:淡灰色-绿色至灰色粉末

    密度:1.106 g/cm3

    沸点:300.5 °C

    熔点:128-131°C(lit.)

    闪点:244 °C

    折射率:n20/D 1.341

    稳定性:Stable under normal temperatures and pressures.

    储存条件:库房通风低温干燥,与酸类、氧化剂、食品添加剂分开存放

    蒸汽压:2.14E-05mmHg at 25°C

    安全说明:53-45-61

    危险类别码:R22; R45; R51/53; R68

    WGK Germany:3

    海关编码:29309070

    危险品运输编码:UN 3082 9/PG 3

    危险类别:6.1(b)

    包装等级:III

    危险品标志:T; N

    信号词:Danger

    危险性防范说明:P201; P308 + P313

    危险标志:GHS05, GHS08

    危险性描述:H290; H350

    简介:3,3'-Tolidine,isanimportantaromaticamineusedmainlyfordyeproduction,butalsofortheproductionofcertainelastomers.Itisalsoananintermediatefortheproductionofsolubleazodyesandinsolublepigmentsusedparticularlyinthetextile,leatherandpaperindustries.

    用途:1.金、铈、游离氯的光度测定。测定硝酸盐、锰、亚硝酸盐、铬盐、铜盐、钴、汞和空气中的氰离子。

    展开

    农业和环境标准品119-93-7
    Accustandard 3,3-二甲基联苯胺(标准品) 3,3'-Dimethylbenzidine,10μ... 28天

     533.00
    RAC-13-EA-0.1X 10μg/mLinEthylacetate
    农业和环境标准品101-80-4

    CAS号:101-80-4

    品名:4,4'-二氨基二苯醚4,4'-Oxydianiline

    中文别名:4,4’-二氨基二苯醚;

    英文别名:Benzenamine,4,4‘-oxybis-;Oxydianiline;4,4’-Oxydianiline;4,4-Oxydianiline;4,4'-ODA;4,4'-DiaminodiphenylOxide;ODC;4,4-OXYDIANILINE;4-Aminophenylether;Dadpe;4,4'-DPE;4,4'-Diamino;4,4'-diaminodiphenylether;4-aminophenylether;4,4'-Diaminodiphenylether(ODA);4,4'-DiaminodiphenylEther;4,4'-DADPE;

    分子式:C12H12N2O

    分子量:200.236

    精确质量:200.095

    Psa:61.27

    RTECS号:BY7900000

    BRN号:475735

    EINECS号:202-977-0

    MDL号:MFCD00007863

    PubChem号:24854926

    外观与性状:无气味的无色晶体或一种无气味的细,米色粉末

    密度:1.216 g/cm3

    沸点:190 °C (0.1 mmHg)

    熔点:188-192°C(lit.)

    闪点:426°F

    稳定性:Stable. Combustible. Incompatible with strong oxidizing agents. Hygroscopic.

    储存条件:Storage location should be close to laboratory where it is to be used, so that only small amounts need to be transported. Carcinogens should be kept in only one section of storage area, explosion-proof refrigerator or freezer as required. The area should b

    蒸汽压:10 mm Hg ( 240 °C)

    安全说明:S53-S45-S61-S36/37-S26-S20

    危险类别码:R45; R46; R62; R23/24/25; R51/53

    WGK Germany:3

    海关编码:29222900

    危险品运输编码:UN 3077 9/PG 3

    危险类别:6.1

    包装等级:III

    危险品标志:T

    简介:Bis(p-aminophenyl)Etherisareagentusedinthepreparationofpolyimide-silicacompositemembranesforgasseparationtechniques.Inaddition,itisusedinthesynthesisofpolymerfilmsforelectrolytemembranes.

    用途:用于制耐热性塑料如聚酰亚胺树脂、聚马来酰亚胺树脂、聚酰胺酰亚胺树脂、聚酯酰亚胺树脂、环氧树脂、聚氨酯等,也用作交联剂。

     101-80-4 详细信息

    农业和环境标准品

    CAS号:101-80-4

    品名:4,4'-二氨基二苯醚4,4'-Oxydianiline

    中文别名:4,4’-二氨基二苯醚;

    英文别名:Benzenamine,4,4‘-oxybis-;Oxydianiline;4,4’-Oxydianiline;4,4-Oxydianiline;4,4'-ODA;4,4'-DiaminodiphenylOxide;ODC;4,4-OXYDIANILINE;4-Aminophenylether;Dadpe;4,4'-DPE;4,4'-Diamino;4,4'-diaminodiphenylether;4-aminophenylether;4,4'-Diaminodiphenylether(ODA);4,4'-DiaminodiphenylEther;4,4'-DADPE;

    分子式:C12H12N2O

    分子量:200.236

    精确质量:200.095

    Psa:61.27

    RTECS号:BY7900000

    BRN号:475735

    EINECS号:202-977-0

    MDL号:MFCD00007863

    PubChem号:24854926

    外观与性状:无气味的无色晶体或一种无气味的细,米色粉末

    密度:1.216 g/cm3

    沸点:190 °C (0.1 mmHg)

    熔点:188-192°C(lit.)

    闪点:426°F

    稳定性:Stable. Combustible. Incompatible with strong oxidizing agents. Hygroscopic.

    储存条件:Storage location should be close to laboratory where it is to be used, so that only small amounts need to be transported. Carcinogens should be kept in only one section of storage area, explosion-proof refrigerator or freezer as required. The area should b

    蒸汽压:10 mm Hg ( 240 °C)

    安全说明:S53-S45-S61-S36/37-S26-S20

    危险类别码:R45; R46; R62; R23/24/25; R51/53

    WGK Germany:3

    海关编码:29222900

    危险品运输编码:UN 3077 9/PG 3

    危险类别:6.1

    包装等级:III

    危险品标志:T

    简介:Bis(p-aminophenyl)Etherisareagentusedinthepreparationofpolyimide-silicacompositemembranesforgasseparationtechniques.Inaddition,itisusedinthesynthesisofpolymerfilmsforelectrolytemembranes.

    用途:用于制耐热性塑料如聚酰亚胺树脂、聚马来酰亚胺树脂、聚酰胺酰亚胺树脂、聚酯酰亚胺树脂、环氧树脂、聚氨酯等,也用作交联剂。

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    农业和环境标准品101-80-4
    Accustandard 对氨基二苯醚(标准品) 4,4'-Oxydianiline,10μg/mL... 28天

     533.00
    RAC-17-EA-0.1X 10μg/mLinEthylacetate
    气相色谱标准品(色标)101-77-9

    CAS号:101-77-9

    品名:4,4'-二氨基二苯甲烷4,4'-diaminodiphenylmethane

    中文别名:4,4’-二氨基二苯基甲烷;

    英文别名:Curithane;bis-p-aminophenylmethane;4,4’-Diaminodiphenylmethane;HT972;MDA;sumicurem;ancaminetl;Tonox;Benzenamine,4,4‘-methylenebis-;4,4'-Diaminodiphenylmethane;DADPM;TonoxR;Tonox22;4,4'-Methylenedianiline;

    分子式:C13H14N2

    分子量:198.264

    精确质量:198.116

    Psa:52.04

    RTECS号:BY5425000

    BRN号:474706

    EINECS号:202-974-4

    MDL号:MFCD00007914

    PubChem号:24869770

    外观与性状:白色至黄色或米色片或晶体

    密度:1.15

    沸点:242°C2mm Hg(lit.)

    熔点:89-91°C(lit.)

    闪点:430°F

    稳定性:Stable under normal temperatures and pressures.

    储存条件:库房通风低温干燥,与食品原料分开储运

    蒸汽压:1.52E-06mmHg at 25°C

    安全说明:S53-S45-S61

    危险类别码:R39/23/24/25; R43; R45; R48/20/21/22; R51/53

    WGK Germany:3

    海关编码:2921590033

    危险品运输编码:UN 2651 6.1/PG 3

    危险类别:6.1

    包装等级:III

    危险品标志:T; N

    简介:4,4'-Methylenedianilineisusedintheproductionofpolyurethanefoamsandepoxyresins.

    用途:用于生产绝缘材料、染料、二异氰酸酯、聚氨酯橡胶、H级粘合剂、环氧树脂固化剂等;环氧树脂固化剂,橡胶抗氧剂和防老剂,合成MDI的中间体,也用于测定钨和硫酸盐。

     101-77-9 详细信息

    气相色谱标准品(色标)

    CAS号:101-77-9

    品名:4,4'-二氨基二苯甲烷4,4'-diaminodiphenylmethane

    中文别名:4,4’-二氨基二苯基甲烷;

    英文别名:Curithane;bis-p-aminophenylmethane;4,4’-Diaminodiphenylmethane;HT972;MDA;sumicurem;ancaminetl;Tonox;Benzenamine,4,4‘-methylenebis-;4,4'-Diaminodiphenylmethane;DADPM;TonoxR;Tonox22;4,4'-Methylenedianiline;

    分子式:C13H14N2

    分子量:198.264

    精确质量:198.116

    Psa:52.04

    RTECS号:BY5425000

    BRN号:474706

    EINECS号:202-974-4

    MDL号:MFCD00007914

    PubChem号:24869770

    外观与性状:白色至黄色或米色片或晶体

    密度:1.15

    沸点:242°C2mm Hg(lit.)

    熔点:89-91°C(lit.)

    闪点:430°F

    稳定性:Stable under normal temperatures and pressures.

    储存条件:库房通风低温干燥,与食品原料分开储运

    蒸汽压:1.52E-06mmHg at 25°C

    安全说明:S53-S45-S61

    危险类别码:R39/23/24/25; R43; R45; R48/20/21/22; R51/53

    WGK Germany:3

    海关编码:2921590033

    危险品运输编码:UN 2651 6.1/PG 3

    危险类别:6.1

    包装等级:III

    危险品标志:T; N

    简介:4,4'-Methylenedianilineisusedintheproductionofpolyurethanefoamsandepoxyresins.

    用途:用于生产绝缘材料、染料、二异氰酸酯、聚氨酯橡胶、H级粘合剂、环氧树脂固化剂等;环氧树脂固化剂,橡胶抗氧剂和防老剂,合成MDI的中间体,也用于测定钨和硫酸盐。

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    气相色谱标准品(色标)101-77-9
    Accustandard 4,4'-亚甲基二苯胺(标准品) 4,4'-Diaminodiphenylmethane,... 28天

     533.00
    RAC-09-EA-0.1X 10μg/mLinEthylacetate
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