2 5-difluorobenzoyl chloride (CAS # 35730-09-7)
| Hazard Cov Cim | C - Corrosive |
| Risk Codes | 34 – Ua rau kub hnyiab |
| Kev nyab xeeb piav qhia | S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S25 - Tsis txhob sib cuag nrog lub qhov muag. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. |
| UN IDs | ib 3265 |
| WGK Germany | 3 |
| HS Code | 291639 0 |
| Kev Ceeb Toom | Corrosive |
| Hazard Class | 8 |
| Packing Group | II |
Taw qhia
2,5-difluorobenzoyl chloride yog cov organic compound nrog cov tshuaj formula C7H3ClF2O, uas yog derivative ntawm benzoyl chloride. Nws yog xim tsis muaj xim rau daj ntseg daj kua nrog ib tug pungent pungent tsw. Hauv qab no yog cov lus piav qhia ntxaws txog qhov xwm txheej, kev siv, kev npaj thiab kev nyab xeeb ntawm 2,5-difluorobenzoyl chloride:
Xwm:
Qhov ceev: 1.448g / cm3
Melting Point: -21 ° C
- Boiling Point: 130-133 ° C
-Flash Point: 46 ° C
-Solubility: Soluble nyob rau hauv cov organic solvents xws li ether, chloroform, me ntsis soluble nyob rau hauv dej.
Siv:
- 2,5-difluorobenzoyl chloride yog ib qho tseem ceeb ntawm cov organic synthesis nruab nrab, feem ntau siv rau hauv tshuaj synthesis thiab tshuaj tua kab synthesis.
-Nws tuaj yeem siv los ua ib qho tseem ceeb reagent rau cov synthesis ntawm aromatic aldehydes.
-Tseem tuaj yeem siv los ua ke dyes, fragrances thiab lwm yam organic compounds.
Txoj Kev Npaj:
2,5-difluorobenzoyl chloride feem ntau yog tsim los ntawm ib txoj kev ntawm chloride 2,5-difluorobenzoyl rau hauv zinc los yog 2,5-difluorobenzoyl rau hauv chloride sulfoxide. Cov kev npaj tshwj xeeb tuaj yeem xa mus rau cov organic chemical synthesis phau ntawv lossis cov ntaub ntawv.
Cov ntaub ntawv kev nyab xeeb:
- 2,5-difluorobenzoyl chloride yog tshuaj lom neeg thiab yuav tsum tau zam los ntawm kev nqus, noj thiab kev sib cuag ntawm daim tawv nqaij.
- Hnav cov khoom tiv thaiv tus kheej xws li hnab looj tes tiv thaiv tshuaj, tsom iav thiab qhov ncauj qhov ntswg thaum siv.
-Nws yuav tsum tau ua haujlwm nyob rau hauv qhov chaw muaj cua zoo kom tsis txhob muaj vapor lossis pa luam yeeb.
-Thaum khaws cia thiab tuav, kom deb ntawm qhov hluav taws kub thiab cov organic teeb meem, thiab tsis txhob sib cuag nrog oxidants.
-Tom qab muab pov tseg, thov pov tseg cov pov tseg kom zoo thiab ua raws li cov kev cai cuam tshuam.
