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2H-Pyran-2-one

Dangerous Goods

CAS number：504-31-4    molecular formula：C5H4O2

overview
Specs
numbering system
physicochemical properties
Safety information
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overview

compound introduction

2 H -吡喃-2-酮（a-吡喃酮）是一种杂环构成单位。2 H -吡喃-2-酮的光化学已通过具有红外检测的激光闪光光解法进行了研究。乙烯酮和双环内酯已作为主要光产物被获得。 其他说明 储存于Store at 2-8°C 2 H -Pyran-2-one (a-Pyrone) is a heterocyclic building block. Photochemistry of 2 H -pyran-2-one has been investigated by laser flash photolysis with infrared detection. Ketene and a bicyclic lactone were obtained as major photoproducts. Other Notes Store at Store at 2-8°C

Specs

Chinese aliasα-吡喃酮
English aliasPyranone | 2-Pyrone | UNII-8WW45I202V | oxidopyrylium | 5-hydroxy-2,4-pentadienoic acid delta -lactone | FT-0622198 | AS-56552 | CHEBI:37965 | SY051694 | MFCD00006639 | 2H-Pyran-2-one, technical, >=90% (GC) | AKOS016033962 | a-pyrone | EINECS 207-990-5 |
CAS number504-31-4molecular formulaC5H4O2
molecular weight96.09 g/molExact mass≥90%
PSA26.300 Ųlogp0.800

numbering system

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physicochemical properties

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Safety information

Signal word：
Warning
Hazard Statement：
H315: 引起皮肤刺激 H319: 引起严重眼睛刺激 H335: 可能引起呼吸道刺激 H302: 吞食有害
Statement of Preventive Measures：
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P305+P351+P338: 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P302+P352: 如皮肤沾染：用水充分清洗。 P304+P340: 如误吸入：将人转移到空气新鲜处，保持呼吸舒适体位。 P301+P312: 如误吞咽：如感觉不适，呼叫急救中心/医生。
WGK Germany：
3
Personal protective equipment：
Eyeshields， Gloves

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MSDS

Found 1 shareMSDS
504-31-4 | 2H-Pyran-2-one.pdf