呋喃

CAS号：96-47-9

品名：2-甲基四氢呋喃2-Methyltetrahydrofuran

中文别名：A-甲基四氢呋喃;四氢-2-甲基呋喃;

英文别名：2-Methylfuranidine;2-MeTHF;2-methyltetrahydrofuran;TETRAHYDROSILVAN;2-methyl-THF;Furan,tetrahydro-2-methyl-;METHF;Tetrahydrosylvan;2-Methyltetrahydrofu;2-Methyletrahydrofuran;methyl-tetrahydrofuran;2-METHYLTETRAHYDROFURA;

分子式：C5H10O

分子量：86.1323

精确质量：86.0732

Psa：9.23

RTECS号：LU2800000

MDL号：MFCD00005367

外观与性状：透明,无色液体

密度：0.86g/mLat 25°C(lit.)

沸点：78-80°C(lit.)

熔点：-136 °C

闪点：10.4°F

折射率：n20/D 1.406(lit.)

稳定性：Stable, but highly flammable. Incompatible with oxidizing agents, strong acids, strong bases. May form explosive peroxides in storage, so often supplied with an inhibitor added.

储存条件：库房通风低温干燥,与氧化剂、酸类分开存放

安全说明：S16-S23-S39-S33-S26

危险类别码：R11; R19; R36/37

WGK Germany：2

海关编码：2932190090

危险品运输编码：UN 2536 3/PG 2

危险类别：3

包装等级：II

危险品标志：F

信号词：Danger

危险性防范说明：P210; P280; P301 + P312 + P330; P305 + P351 + P338 + P310; P370 + P378; P403 + P235

危险标志：GHS02, GHS05, GHS07

危险性描述：H225; H302; H315; H318

简介：2-MethyltetrahydrofuranisanorganiccompoundwiththemolecularformulaCH3C4H7O.Itisahighlyflammablemobileliquid.ItismainlyusedasareplacementforTHFinspecializedapplicationsforitsbetterperformance,suchastoobtainhigherreactiontemperatures,oreasierseparations(as,unlikeTHF,itisnotmisciblewithwater).Itisderivedfromfurfuralandisusableasabiofuel.

用途：用于医药磷酸氯喹中间体。

呋喃

CAS号：3188-00-9

品名：2-甲基四氢呋喃-3-酮2-methyloxolan-3-one

中文别名：2-甲基二氢-3(2H)-呋喃酮;2-甲基四氢呋喃酮-3;4,5-二氢-2-甲基-3(2H)-呋喃酮;2-甲基四氢-3-呋喃酮;面包酮;

英文别名：Dihydro-2-methyl-3-furanone;2-Methyltetrahydrofuran-3-One;2-Methyltetrahydro-3-furanone;Tetrahydro-2-methylfuran-3-one;4,5-Dihydro-2-methyl-3(2H)-furanone;2-methyltetrahydrofuran-3-one;2-Methyl-3-oxotetrahydrofuran;2-Methyltetrahydro-3-furanone(4,5-Dihydro-2-methyl-3(2H)-furanone;2-methyltetrahydro-3-furanone;2-Methyl-2H-furan-3-one;2-methyl-4,5-dihydro-3-furanone;2-Methyltetrahydro-3-furanone;

分子式：C5H8O2

分子量：100.116

精确质量：100.052

Psa：26.3

RTECS号：LU3579000

MDL号：MFCD00010423

外观与性状：无色至淡黄色液体

密度：1.034g/mLat 25°C(lit.)

沸点：139°C(lit.)

闪点：103°F

折射率：n20/D 1.429(lit.)

稳定性：Stable under normal temperatures and pressures.

储存条件：Keep away from heat, sparks, and flame.

安全说明：S16-S26-S36/37/39-S24/25

危险类别码：R36/37/38

WGK Germany：3

海关编码：2932190090

危险品运输编码：UN 1224 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, GHS07

危险性描述：H226; H302

简介：Coffeefuranone(2-methyltetrahydrofuran-3-one)isapleasantsmellingliquidfuranderivativewhichisavolatileconstituentofthearomacomplexofroastedcoffee.Coffeefuranoneislessodorousthanfurfurylmercaptan,whichwithanodorthresholdof0.005ppbwasthefirsthighimpactaromachemical,buthasaverypleasantsweetcaramelcharacter,withsomenuttiness.

用途：用作香料的原料及用于有机合成。