筛选出 2 条数据

    品牌 产品 货期 价格 货号 规格 /
    植物生化提取物127-51-5

    CAS号:127-51-5

    品名:α-异甲基紫罗兰酮α-Isomethylionone

    中文别名:α-Cetone;α-异-甲基紫罗酮;Alpha-异甲基紫罗兰酮;3-甲基-4-(2,6,6-三甲基环己基-2-烯)-3-丁烯-2-酮;异甲基紫罗兰酮70;a-异甲基紫罗兰酮;3-甲基-4-(2,6,6-三甲基环己基-2-烯)-3-丁烯-2-酮;

    英文别名:(±)-α-Isomethylionone;3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one;a-Isomethylionone;Isonaline70;3-METHYL-ALPHA-IONONE;α-Isomethylionone;CetoneAlpha;α-ISO-METHYLIONONE;α-iso-Methylionone;ALPHA-ISO-METHYLIONONE;3-Methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one;

    分子式:C14H22O

    分子量:206.324

    精确质量:206.167

    Psa:17.07

    EINECS号:204-846-3

    MDL号:MFCD00034582

    PubChem号:24889812

    密度:0.93 g/mL at 20ºC(lit.)

    沸点:285.3ºC at 760 mmHg

    闪点:122.1ºC

    折射率:1.508

    蒸汽压:0.00282mmHg at 25°C

    安全说明:S24/25

    海关编码:2914299000

    用途:广泛用于调配日化、食用香精

     127-51-5 详细信息

    植物生化提取物

    CAS号:127-51-5

    品名:α-异甲基紫罗兰酮α-Isomethylionone

    中文别名:α-Cetone;α-异-甲基紫罗酮;Alpha-异甲基紫罗兰酮;3-甲基-4-(2,6,6-三甲基环己基-2-烯)-3-丁烯-2-酮;异甲基紫罗兰酮70;a-异甲基紫罗兰酮;3-甲基-4-(2,6,6-三甲基环己基-2-烯)-3-丁烯-2-酮;

    英文别名:(±)-α-Isomethylionone;3-Methyl-4-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3-buten-2-one;a-Isomethylionone;Isonaline70;3-METHYL-ALPHA-IONONE;α-Isomethylionone;CetoneAlpha;α-ISO-METHYLIONONE;α-iso-Methylionone;ALPHA-ISO-METHYLIONONE;3-Methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one;

    分子式:C14H22O

    分子量:206.324

    精确质量:206.167

    Psa:17.07

    EINECS号:204-846-3

    MDL号:MFCD00034582

    PubChem号:24889812

    密度:0.93 g/mL at 20ºC(lit.)

    沸点:285.3ºC at 760 mmHg

    闪点:122.1ºC

    折射率:1.508

    蒸汽压:0.00282mmHg at 25°C

    安全说明:S24/25

    海关编码:2914299000

    用途:广泛用于调配日化、食用香精

    展开

    植物生化提取物127-51-5
    Sigma-Aldrich α-Isomethylionone α-Isomethylionone 请咨询 询价 W271410 /
    植物生化提取物1401-55-4

    CAS号:1401-55-4

    品名:单宁酸Tannicacid

    中文别名:鞣酸;没食子鞣酸;二倍酸;丹宁酸;炭尼酸;

    英文别名:1,2,3,4,6-penta-O-{3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoyl}-D-glucopyranose;2,3-dihydroxy-5-({[(2R,3R,4S,5R,6R)-3,4,5,6-tetrakis({3,4-dihydroxy-5-[(3,4,5-trihydroxyphenyl)carbonyloxy]phenyl}carbonyloxy)oxan-2-yl]methoxy}carbonyl)phenyl3,4,5-trihydroxybenzoate;Gallotannicacid;Digallicacid;Acidumtannicum;Gallotannin;Tannimum;Quercitannin;Oakbarktannin;Quercotannicacid;Querci-tannicacid;Querco-tannicacid;Tannicacid;GallotanninTannin;Glycerite;

    分子式:C76H52O46

    分子量:1701.2

    精确质量:1700.17

    Psa:777.98

    RTECS号:WW5075000

    BRN号:8186396

    EINECS号:215-753-2

    MDL号:MFCD00066397

    外观与性状:淡黄色至黄褐色的固体带有一种微弱气味

    密度:2.12 g/cm3

    熔点:218°C (分解)

    闪点:198°C

    折射率:1.927

    稳定性:Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals.

    储存条件:库房低温通风干燥

    安全说明:S24/25; S36; S26; S36/37/39; S22

    危险类别码:R40

    WGK Germany:2

    海关编码:3201909000

    危险品标志:Xi

    危险性防范说明:P273

    危险性描述:H412

    简介:Tannicacidisaspecificcommercialformoftannin,atypeofpolyphenol.Itsweakacidity(pKaaround10)isduetothenumerousphenolgroupsinthestructure.ThechemicalformulaforcommercialtannicacidisoftengivenasC76H52O46,whichcorrespondswithdecagalloylglucose,butinfactitisamixtureofpolygalloylglucosesorpolygalloylquinicacidesterswiththenumberofgalloylmoietiespermoleculerangingfrom2upto12dependingontheplantsourceusedtoextractthetannicacid.Commercialtannicacidisusuallyextractedfromanyofthefollowingplantpart:Tarapods(Caesalpiniaspinosa),gallnutsfromRhussemialataorQuercusinfectoriaorSicilianSumacleaves(Rhuscoriaria).

    用途:澄清剂、增涩剂、粗油脱臭剂、助香剂;单宁酸可用于鞣革、墨水制造、纸张和丝绸上胶、锅炉除垢等,还可作媒染剂、啤酒和葡萄酒的澄明剂、橡胶的凝结剂等。可用于用于印染、冶金、医药等工业,单宁酸本身毒性很低。铍、铝、镓、铟、铌、钽和锆的沉淀和重量测定。铜、铁、钒、铈和钴的比定测定。蛋白质及生物碱的沉淀剂。钼酸铵滴定铅时的外指示剂。染料媒染剂。

     1401-55-4 详细信息

    植物生化提取物

    CAS号:1401-55-4

    品名:单宁酸Tannicacid

    中文别名:鞣酸;没食子鞣酸;二倍酸;丹宁酸;炭尼酸;

    英文别名:1,2,3,4,6-penta-O-{3,4-dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoyl}-D-glucopyranose;2,3-dihydroxy-5-({[(2R,3R,4S,5R,6R)-3,4,5,6-tetrakis({3,4-dihydroxy-5-[(3,4,5-trihydroxyphenyl)carbonyloxy]phenyl}carbonyloxy)oxan-2-yl]methoxy}carbonyl)phenyl3,4,5-trihydroxybenzoate;Gallotannicacid;Digallicacid;Acidumtannicum;Gallotannin;Tannimum;Quercitannin;Oakbarktannin;Quercotannicacid;Querci-tannicacid;Querco-tannicacid;Tannicacid;GallotanninTannin;Glycerite;

    分子式:C76H52O46

    分子量:1701.2

    精确质量:1700.17

    Psa:777.98

    RTECS号:WW5075000

    BRN号:8186396

    EINECS号:215-753-2

    MDL号:MFCD00066397

    外观与性状:淡黄色至黄褐色的固体带有一种微弱气味

    密度:2.12 g/cm3

    熔点:218°C (分解)

    闪点:198°C

    折射率:1.927

    稳定性:Stable. Incompatible with metallic salts, strong oxidizing agents, iron and other heavy metals.

    储存条件:库房低温通风干燥

    安全说明:S24/25; S36; S26; S36/37/39; S22

    危险类别码:R40

    WGK Germany:2

    海关编码:3201909000

    危险品标志:Xi

    危险性防范说明:P273

    危险性描述:H412

    简介:Tannicacidisaspecificcommercialformoftannin,atypeofpolyphenol.Itsweakacidity(pKaaround10)isduetothenumerousphenolgroupsinthestructure.ThechemicalformulaforcommercialtannicacidisoftengivenasC76H52O46,whichcorrespondswithdecagalloylglucose,butinfactitisamixtureofpolygalloylglucosesorpolygalloylquinicacidesterswiththenumberofgalloylmoietiespermoleculerangingfrom2upto12dependingontheplantsourceusedtoextractthetannicacid.Commercialtannicacidisusuallyextractedfromanyofthefollowingplantpart:Tarapods(Caesalpiniaspinosa),gallnutsfromRhussemialataorQuercusinfectoriaorSicilianSumacleaves(Rhuscoriaria).

    用途:澄清剂、增涩剂、粗油脱臭剂、助香剂;单宁酸可用于鞣革、墨水制造、纸张和丝绸上胶、锅炉除垢等,还可作媒染剂、啤酒和葡萄酒的澄明剂、橡胶的凝结剂等。可用于用于印染、冶金、医药等工业,单宁酸本身毒性很低。铍、铝、镓、铟、铌、钽和锆的沉淀和重量测定。铜、铁、钒、铈和钴的比定测定。蛋白质及生物碱的沉淀剂。钼酸铵滴定铅时的外指示剂。染料媒染剂。

    展开

    植物生化提取物1401-55-4
    Sigma-Aldrich 单宁酸 Tannicacid 请咨询 询价 W304204 /
温馨提示 ×
商品已成功加入购物车!
购物车共 0 件商品
去购物车结算
微信 ×

打开微信,点击底部的“发现”

使用“扫一扫”即可将网页分享至朋友圈