2-Hydroxy-3-nitrobenzaldehyde (CAS # 5274-70-4)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R22 - Ua phem yog tias nqos R20/21/22 - Ua phem los ntawm kev nqus pa, tiv thaiv daim tawv nqaij thiab 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. S36 - Hnav khaub ncaws tiv thaiv zoo. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. |
| WGK Germany | 3 |
| TSCA | Yog lawm |
| HS Code | 29130 000 Nws |
Taw qhia
2-Hydroxy-3-nitrobenzaldehyde yog ib qho organic compound tseem hu ua 3-nitro-2-hydroxybenzaldehyde. 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: daj crystalline khoom.
Siv:
- Nws tuaj yeem siv los ua cov khoom pib rau kev sib txuas ntawm lwm cov organic sib txuas, xws li cov tshuaj tua kab mob hluavtaws thiab cov dyes.
Txoj kev:
- Kev npaj ntawm 2-hydroxy-3-nitrobenzaldehyde tuaj yeem tau los ntawm nitrification ntawm parabentaldehyde.
- Feem ntau nyob rau hauv lub xub ntiag ntawm nitrifying tus neeg sawv cev, benzaldehyde maj mam tov nrog nitric acid, thiab cov khoom tau txais tom qab cov tshuaj tiv thaiv yog 2-hydroxy-3-nitrobenzaldehyde.
- Cov txheej txheem synthesis yuav tsum tau ua raws li kev sim tsim nyog kom muaj kev nyab xeeb thiab muaj txiaj ntsig zoo.
Cov ntaub ntawv kev nyab xeeb:
- 2-Hydroxy-3-nitrobenzaldehyde yog ib yam tshuaj lom neeg uas yog nplaim taws.
- Ua raws li kev soj ntsuam kev nyab xeeb hauv tshuaj lom neeg thiab hnav hnab looj tes tiv thaiv, tsom iav, thiab cov tsho hauv chav kuaj thaum ua haujlwm.
- Tsis txhob kov cov tawv nqaij, qhov muag, thiab khaub ncaws, thiab saib xyuas kom tsis txhob nqus cov hmoov los yog roj.
