5-Bromo-2-Chlorobenzoic Acid (CAS # 21739-92-4)
| Hazard Cov Cim | Xi-xaj |
| Risk Codes | 36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| WGK Germany | 3 |
| HS Code | 29163900 ib |
| Hazard Class | IRRITANT |
Taw qhia
5-Bromo-2-chlorobenzoic acid yog cov organic compound. Cov hauv qab no yog kev qhia txog qee yam ntawm nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Pom: Dawb crystalline hmoov
- Solubility: me ntsis soluble hauv dej, soluble hauv organic solvents
Siv:
- 5-Bromo-2-chlorobenzoic acid tuaj yeem siv los ua ib qho tseem ceeb nruab nrab ntawm cov organic synthesis.
- Nws kuj yog siv los ua cov khoom siv raw rau tshuaj tua kab, fungicides thiab nplaim hluav taws.
Txoj kev:
5-Bromo-2-chlorobenzoic acid tuaj yeem npaj tau raws li hauv qab no:
- Ntxiv 2-bromobenzoic acid rau dichloromethane;
- Ntxiv thionyl chloride thiab hydrogen oxide ntawm qhov kub thiab txias;
- Thaum kawg ntawm cov tshuaj tiv thaiv, cov khoom tau txais los ntawm cryoprecipitation thiab pom.
Cov ntaub ntawv kev nyab xeeb:
- 5-Bromo-2-chlorobenzoic acid yog khaus thiab yuav tsum tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab qhov muag.
- Kev ntsuas cua zoo yuav tsum tau ua thaum ua haujlwm.
- Ua raws li cov txheej txheem kev nyab xeeb muaj feem xyuam thaum siv thiab khaws cia.
- Tsis txhob siv qhov chaw nyob ze ntawm qhov hluav taws kub los tiv thaiv kev tawg.
