吡喃

CAS号：142-68-7

品名：四氢吡喃oxane

中文别名：一氧六环;氧己环;

英文别名：Tetrahydropyran;1,5-EPOXYPENTANE;Tetarhydropyran;Etrahydropyran;tetrahydro-4H-pyran;tetrahydropyrane;OXACYCLOHEXANE;tetrahydro-2H-pyran;tetrahydro-2h-pyra;4,5-dihydro-2H-pyran;2H-Pyran,tetrahydro-;THP;Tetrahydro-2H-pyran;PentamethyleneOxide;4-tetrahydropyran;

分子式：C5H10O

分子量：86.1323

精确质量：86.0732

Psa：9.23

EINECS号：205-552-8

MDL号：MFCD00006585

PubChem号：24857635

外观与性状：无色至淡黄色液体

密度：0.881g/mLat 25°C(lit.)

沸点：88°C(lit.)

熔点：−45°C(lit.)

闪点：4°F

折射率：n20/D 1.42(lit.)

稳定性：Stable under normal temperatures and pressures. On long term storage, substances with similar functional groups form explosive peroxides. Explosive peroxides may form on concentration. Tends to form explosive peroxides; especially when anhydrous. Peroxide

储存条件：Flammables area

蒸汽压：70.1mmHg at 25°C

安全说明：S9-S16-S26-S33-S36

危险类别码：R11; R19; R9; R36/37/38

WGK Germany：3

海关编码：2932999099

危险品运输编码：UN 1993 3/PG 2

危险类别：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; P261; P305 + P351 + P338

危险标志：GHS02, GHS07

危险性描述：H225; H315; H319; H335

简介：Tetrahydropyranisausefulsyntheticintermediate.Tetrahydropyranyl(THP-)ethersderivedfromthereactionofalcoholsanddihydropyranarecommonintermediatesinorganicsynthesis.Inorganicsynthesis,the2-tetrahydropyranylgroupisusedasaprotectinggroupforalcohols.

用途：用作硝基喷漆、橡胶等的溶剂及Grignard反应的溶剂。

吡喃

CAS号：4940-39-0

品名：色酮-2-甲酸4-Oxo-4H-1-benzopyran-2-carboxylicacid

中文别名：4-氧代-4H-1-苯并吡喃-2-甲酸;色酮甲酸;4-氧代-4H-1-苯并吡喃-2-羧酸;4-苯并吡喃酮-2-羧酸,色酮-2-羧酸;4-苯并吡喃酮-2-羧酸;

英文别名：4-oxochromene-2-carboxylicacid;ChroMone-2-carboxylicAcid;4-Oxo-4H-chromene-2-carboxylicacid;

分子式：C10H6O4

分子量：190.152

精确质量：190.027

Psa：67.51

RTECS号：DJ2476000

MDL号：MFCD00006838

外观与性状：淡米色粉末

密度：1.493 g/cm3

沸点：337ºC at 760 mmHg

熔点：260°C (dec.)(lit.)

闪点：138.9ºC

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

储存条件：Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

安全说明：S26-S36-S37/39

危险类别码：R36/37/38

WGK Germany：3

海关编码：2918300090

危险品标志：Xi

简介：4-oxo-4H-1-Benzopyran-2-carboxylicAcidactsasaninhibitorofmonoamineoxidaseA&B.Alsofunctionsasanoveltypeoftyrosinephosphatase1Binhibitorinstudies,duetoastructurederivedfromformylchromone.