2-Allyloxytetrahydropyran 2-丙烯氧基吡喃

CAS 4203-49-0 MFCD00154089




Mol. FormulaC8H14O2
Mol. Weight142
Refractive index1.4430 to 1.4470
Boiling Point76-77
Flash Point35°C(lit.)


Chemical Name2-Allyloxytetrahydropyran
CAS Number4203-49-0
MDL NumberMFCD00154089
PubChem Substance ID135727294
Synonym 2-烯丙氧基四氢吡喃 Tetrahydro-2-allyloxy-2H-pyran
Chemical Name Translation2-丙烯氧基吡喃
Beilstein Registry Number108220
LabNetwork Molecule IDLN00224221
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  • {SNA} Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Pyrans


GHS Symbol
WGK Germany2
Hazard statements
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • H315 Causes skin irritation 会刺激皮肤
  • H317 May cause an allergic skin reaction 可能导致皮肤过敏
  • H302 Harmful if swallowed 吞食有害
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H318 Causes serious eye damage 严重伤害眼睛
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P233 Keep container tightly closed. ?保持容器密闭。
  • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
  • P241+P242+P243
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P301+P310
  • P302+P352+P332+P313+P362+P364
  • P303+P361+P353
  • P305+P351+P338
  • P305+P351+P338+P337+P313
  • P332+P313
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
  • P370+P378
  • P403+P235
  • P405 Store locked up. 上锁保管。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
  • P501a
Signal word Danger
Hazard Codes 3
Risk Statements
  • R10 Flammable 易燃
  • R19 May form explosive peroxides 可能生成易爆的过氧化物质
  • R22 Harmful if swallowed 吞咽有害
  • R37/38 Irritating to respiratory system and skin 对呼吸系统和皮肤有刺激性
  • R41 Risk of serious damage to eyes 有严重损伤眼睛的危险
Safety Statements
  • S23 Do not breathe gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer) 不要吸入气体/烟雾/蒸汽/喷雾;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S39 Wear eye/face protection 戴眼睛/面孔保护装置;
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
Packing GroupIII
UN Number 3271 UN3271
Storage condition 0-10 0-10°C
Hazard Class3


  • 含1% 稳定剂K2CO3 。