5-Chloropyridine-2-carboxylic acid (CAS # 86873-60-1)
| Risk Codes | R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab yog tias nqos. R40 - Cov pov thawj txwv ntawm cov nyhuv carcinogenic R22 - Ua phem yog tias nqos |
| Kev nyab xeeb piav qhia | S22 - Tsis txhob nqus plua plav. S36 - Hnav khaub ncaws tiv thaiv zoo. |
| Kev Ceeb Toom | Ua phem |
| Hazard Class | IRRITANT |
Taw qhia
Acid (acid) yog cov organic compound nrog cov tshuaj formula C6H4ClNO2.
Xwm:
Acid yog dawb mus rau lub teeb daj crystalline khoom nrog ib tug tshwj xeeb tsw. Nws yog soluble hauv qee cov kuab tshuaj organic, xws li ethanol, dimethyl sulfoxide thiab dichloromethane, tab sis muaj tsawg solubility hauv dej. Nws ruaj khov hauv huab cua thiab decomposes ntawm qhov kub thiab txias.
Siv:
Acid yog ib qho tseem ceeb ntawm cov organic nruab nrab, uas yog dav siv nyob rau hauv synthesis ntawm lwm cov organic tebchaw. Nws tuaj yeem siv rau hauv kev npaj tshuaj tua kab, tshuaj, dyes thiab kev sib koom ua ke.
Txoj Kev Npaj:
Acid tuaj yeem tsim los ntawm ntau txoj hauv kev, feem ntau siv txoj hauv kev suav nrog ob qho hauv qab no:
1. 2-picolinic acid chloride yog reacted nrog chloroacetic acid los tsim lub hom phiaj cov khoom nrog kev pab los ntawm ib tug catalyst thiab nyob rau hauv lub tsim nyog tej yam kev mob.
2. react 2-pyridyl methanol nrog carbonic acid chloride, thiab ces hydrolyze nrog acid kom tau cov kua qaub.
Cov ntaub ntawv kev nyab xeeb:
Cov tshuaj toxicity ntawm cov kua qaub yog tsawg, tab sis nws tseem yuav tsum tau them sai sai rau kev nyab xeeb kev ua haujlwm. Tsis txhob kov ncaj qha rau ntawm daim tawv nqaij, qhov muag thiab ua pa, thiab hnav hnab looj tes tiv thaiv, tsom iav thiab qhov ncauj qhov ntswg yog tias tsim nyog. Tsis txhob sib cuag nrog cov oxidizing cov neeg ua hauj lwm thiab cov khoom flammable thaum siv thiab cia. Yuav tsum tau muab cia rau hauv qhov chaw qhuav, zoo-ventilated, deb ntawm hluav taws. Yog noj los yog nqus tau, nrhiav kev kho mob tam sim ntawd.
