3,4-Dichloronitrobenzene (CAS # 99-54-7)
Risk Codes | R22 - Ua phem yog tias nqos R36 - Khau qhov muag R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij R51/53 - Cov tshuaj lom rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev rau hauv dej hiav txwv. |
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. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S61 - Tsis txhob tso tawm rau ib puag ncig. Xa mus rau cov lus qhia tshwj xeeb / cov ntaub ntawv kev nyab xeeb. S39 - Hnav qhov muag / ntsej muag tiv thaiv. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. |
UN IDs | 2811 ib |
WGK Germany | 3 |
RTECS | CZ5250000 |
TSCA | Yog lawm |
HS Code | 29049085 ib |
Hazard Class | 9 |
Packing Group | III |
Toxicity | LD50 qhov ncauj hauv luav: 643 mg/kg LD50 dermal Rat > 2000 mg/kg |
Taw qhia
3,4-Dichloronitrobenzene yog ib qho organic compound. Cov hauv qab no yog kev qhia txog nws qhov xwm txheej, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- 3,4-Dichloronitrobenzene yog siv lead ua tsis muaj xim lossis lub teeb daj daj nrog cov ntxhiab tsw muaj zog.
- Insoluble nyob rau hauv dej ntawm chav tsev kub, tab sis soluble nyob rau hauv feem ntau cov organic solvents.
Siv:
- 3,4-Dichloronitrobenzene tuaj yeem siv los ua cov tshuaj reagent xws li substrate rau cov tshuaj tiv thaiv nitrosylation.
- Nws tseem tuaj yeem siv los ua tus thawj coj rau kev sib txuas ntawm lwm cov organic sib txuas, xws li glyphosate, tshuaj tua kab mob.
Txoj kev:
- 3,4-Dichloronitrobenzene feem ntau yog npaj los ntawm chlorination ntawm nitrobenzene. Txoj kev npaj tshwj xeeb tuaj yeem siv sib tov ntawm sodium nitrite thiab nitric acid, thiab hnov mob nrog benzene raws li qhov tsim nyog cov tshuaj tiv thaiv. Tom qab cov tshuaj tiv thaiv, cov khoom lag luam yog purified los ntawm crystallization thiab lwm cov kauj ruam.
Cov ntaub ntawv kev nyab xeeb:
- 3,4-Dichloronitrobenzene yog tshuaj lom thiab ua rau muaj kev phom sij rau tib neeg kev noj qab haus huv. Kev raug, nqus tau, lossis noj cov tshuaj no tuaj yeem ua rau qhov muag, ua pa thiab tawv nqaij khaus.
- Cov khoom sib xyaw no yuav tsum muab khaws cia rau hauv qhov chaw zoo, qhuav, qhov chaw txias, kom deb ntawm cov khoom siv hluav taws xob thiab cov oxidizing.