5-chloropent-1-yne (CAS # 14267-92-6)
Risk thiab Safety
| Risk Codes | R11 - Cov nplaim hluav taws kub heev R38 - Irritating rau ntawm daim tawv nqaij R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S23 - Tsis txhob ua pa. S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S16 - Khaws kom deb ntawm qhov chaw hluav taws xob. |
| UN IDs | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yog lawm |
| HS Code | 29032900 ib |
| Kev Ceeb Toom | Irritant |
| Hazard Class | 3 |
| Packing Group | II |
5-chloropent-1-yne (CAS # 14267-92-6) Kev taw qhia
5-Chloro-1-pentyne (tseem hu ua chloroacetylene) yog cov organic compound. Nov yog cov lus qhia luv luv rau nws cov khoom, kev siv, kev tsim khoom, thiab cov ntaub ntawv kev nyab xeeb:
xwm:
1. Cov tsos mob: 5-Chloro-1-Pentyne yog cov kua tsis muaj xim.
2. Ceev: Nws qhov ceev yog 0.963 g / mL.
4. Solubility: 5-Chloro-1-Pentyne yog insoluble nyob rau hauv dej thiab muaj zoo solubility nyob rau hauv organic solvents xws li ethanol thiab dichloromethane.
Lub hom phiaj:
5-Chloro-1-pentyne yog siv los ua cov khoom pib thiab nruab nrab hauv cov organic synthesis.
2. Nws tuaj yeem siv los npaj cov tebchaw xws li vinyl chloride, chloroalcohols, carboxylic acids, thiab aldehydes.
Txoj kev tsim khoom:
5-Chloro-1-Pentyne tuaj yeem npaj los ntawm cov kauj ruam hauv qab no:
1. Dissolve 1-pentanol hauv sulfuric acid thiab ntxiv sodium chloride.
2. Maj mam ntxiv cov concentrated sulfuric acid dropwise rau cov tshuaj ntawm qhov kub thiab txias.
3. Ua kom sov cov tshuaj tiv thaiv sib xyaw kom haum rau qhov kub thiab txias nyob rau hauv cov xwm txheej ntawm kev ntxiv cov concentrated sulfuric acid.
4. Kev ua haujlwm ntxiv thiab kev ua kom huv ntawm cov khoom siv tshuaj tiv thaiv tuaj yeem ua rau 5-chloro-1-pentyne.
Cov ntaub ntawv kev ruaj ntseg:
1. 5-Chloro-1-Pentyne yog ib qho kev sib xyaw ua ke uas ua rau khaus khaus thiab tawg, thiab kev ntsuas kev nyab xeeb yuav tsum tau ua thaum ua haujlwm.
Thaum siv thiab tuav 5-chloro-1-pentyne, cov khoom siv tiv thaiv tus kheej tsim nyog xws li hnab looj tes tiv thaiv, tsom iav, thiab khaub ncaws tiv thaiv yuav tsum hnav.
3. 5-Chloro-1-Pentyne yuav tsum tau ua nyob rau hauv ib qho chaw uas muaj cua zoo kom tsis txhob nws vapor tsub zuj zuj thiab kev sib cuag nrog cov nplaim taws qhib los yog cua sov.
4. Cov khib nyiab yuav tsum tau muab pov tseg kom raug raws li cov kev cai cuam tshuam thiab yuav tsum tsis txhob muab pov tseg rau hauv cov dej los yog ib puag ncig.
