Furanone Acetate (CAS # 4166-20-5)
Hazard Cov Cim | Xn – Ua phem |
Risk Codes | 22 – Ua phem yog nqos |
Kev nyab xeeb piav qhia | S36 - Hnav khaub ncaws tiv thaiv zoo. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
WGK Germany | 3 |
HS Code | 29321900 ib |
Taw qhia
4-Acetoxy-2,5-dimethyl-3-furanone (tseem hu ua DEET) yog ib qho tshuaj tua yoov tshaj cum. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Cov tsos mob: tsis muaj xim los yog kua daj daj
- Soluble: Soluble hauv cawv, ethers thiab ketones, insoluble hauv dej
Siv:
- DEET feem ntau yog siv los ua tshuaj yoov tshaj cum, uas tuaj yeem tua tau ntau yam yoov tshaj cum, zuam thiab lwm yam kab.
- DEET kuj tseem siv los tiv thaiv lwm yam kab tom, xws li ntshauv, fleas, thiab zuam.
Txoj kev:
4-Acetoxy-2,5-dimethyl-3-furanone tuaj yeem npaj los ntawm cov kauj ruam hauv qab no:
1. 2,5-Dimethyl-3-furanone yog reacted nrog acetic anhydride los tsim 4-acetoxy-2,5-dimethyl-3-furanone.
Cov ntaub ntawv kev nyab xeeb:
- Tsis txhob kov qhov muag, qhov ncauj, thiab qhov txhab qhib.
- DEET yog khaus thiab kev sib cuag nrog daim tawv nqaij ntev yuav ua rau khaus, ua xua, lossis tawv nqaij qhuav.
- Tsis txhob sib cuag ncaj qha nrog cov yas, cov txiv neej ua fibers, thiab lwm yam, uas tuaj yeem ua rau corrosion.
- Ob txhais tes thiab tawv nqaij yuav tsum tau ntxuav kom huv si tom qab siv. Yog tias tsis xis nyob, txiav siv tam sim ntawd thiab sab laj nrog kws kho mob.