2-Fluoro-4-nitrobenzoic acid (CAS # 403-24-7)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R22 - Ua phem yog tias nqos |
| 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 S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S22 - Tsis txhob nqus plua plav. |
| HS Code | 291639 0 |
| Hazard Class | IRRITANT |
Taw qhia
2-Fluoro-4-nitrobenzoic acid (2-Fluoro-4-nitrobenzoic acid) yog cov organic compound nrog cov tshuaj formula C7H4FNO4. Cov hauv qab no yog cov lus piav qhia ntawm cov khoom, kev siv, kev npaj thiab kev nyab xeeb cov ntaub ntawv ntawm lub compound:
Xwm:
-Cov tsos mob: 2-Fluoro-4-nitrobenzoic acid yog cov hmoov dawb crystalline hmoov.
- melting point: txog 168-170 ℃.
-Solubility: Soluble nyob rau hauv feem ntau cov organic solvents, xws li cawv, ketones thiab ethers.
-Chemical zog: 2-Fluoro-4-nitrobenzoic acid yog ib qho acidic tshuaj uas muaj peev xwm hnov mob nrog alkali thiab hlau los tsim cov ntsev sib xws. Nws tuaj yeem ua raws li cov txiaj ntsig ntawm cov tshuaj tsw qab thiab ua rau lwm yam tshuaj lom neeg.
Siv:
- 2-Fluoro-4-nitrobenzoic acid yog ib qho tseem ceeb nruab nrab ntawm cov organic synthesis thiab tuaj yeem siv los ua ke cov organic tebchaw xws li tshuaj, dyes thiab tshuaj tua kab.
-Nws kuj tseem tuaj yeem siv los ua cov tshuaj analytical reagent rau kev tshuaj xyuas thiab kuaj xyuas qhov muaj thiab concentration ntawm lwm cov tebchaw.
Txoj Kev Npaj:
- 2-Fluoro-4-nitrobenzoic acid tuaj yeem npaj los ntawm ntau txoj kev siv hluavtaws. Cov txheej txheem muaj xws li 2-fluorination ntawm p-nitrobenzoic acid lossis nitration ntawm 2-fluorobenzoic acid.
Cov ntaub ntawv kev nyab xeeb:
- 2-Fluoro-4-nitrobenzoic acid tej zaum yuav muaj kuab lom rau tib neeg lub cev. Kev ceev faj yuav tsum tau them kom tsis txhob sib cuag ntawm daim tawv nqaij ncaj qha, nqus tau los yog nqus tau.
-Thaum tuav thiab khaws cov khoom sib xyaw, nws yuav tsum tau ua kom muaj kev nyab xeeb tsim nyog, xws li hnav tsom iav tiv thaiv, hnab looj tes thiab cov cuab yeej ua pa, thiab xyuas kom meej tias kev ua haujlwm tau ua tiav hauv qhov chaw muaj cua zoo.
-Yog tias koj tau ntsib nrog cov khoom sib txuas, yaug tam sim nrog dej thiab nrhiav kev pab kho mob.
