6-Methyl Coumarin (CAS # 92-48-8)
| Hazard Cov Cim | Xn – Ua phem |
| Risk Codes | R22 - Ua phem yog tias nqos R42/43 - Tej zaum yuav ua rau muaj kev hnov mob los ntawm kev nqus pa thiab kev sib cuag ntawm daim tawv nqaij. |
| Kev nyab xeeb piav qhia | S22 - Tsis txhob nqus plua plav. S36/37 - Hnav cov khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) |
| WGK Germany | 3 |
| RTECS | GN7792000 |
| TSCA | Yog lawm |
| HS Code | 29321900 ib |
| Toxicity | Tus nqi ntawm qhov ncauj LD50 hauv nas tau tshaj tawm tias yog 1.68 g / kg (1.43-1.93 g / kg) (Moreno, 1973). Tus mob dermal LD50 tus nqi hauv luav tau tshaj 5 g / kg (Moreno, 1973). |
Taw qhia
6-Methylcoumarin yog ib qho organic compound. Nws yog xim tsis muaj xim crystalline khoom nrog ib qho aromatic fruity saj. Cov hauv qab no yog kev qhia txog qee yam ntawm cov khoom, kev siv, kev npaj thiab cov ntaub ntawv kev nyab xeeb ntawm 6-methylcoumarin:
Zoo:
- Zoo li: tsis muaj xim crystalline khoom
- Cia tej yam kev mob: Nws raug nquahu kom khaws cia rau hauv qhov chaw txias, qhuav, deb ntawm tshav ntuj ncaj qha thiab kub siab
Siv:
Txoj kev:
Muaj ntau ntau txoj hauv kev los npaj 6-methylcoumarin, thiab cov hauv qab no yog ib qho ntawm cov kev sib xyaw ua ke:
Coumarin reacts nrog acetic anhydride los tsim ethyl vanillin.
Coumarin acetate reacts nrog methanol los tsim 6-methylcoumarin nyob rau hauv qhov kev txiav txim ntawm alkali.
Cov ntaub ntawv kev nyab xeeb:
6-Methylcoumarin feem ntau suav hais tias muaj kev nyab xeeb nyob rau hauv ib txwm siv
- Tsis txhob sib cuag nrog lub qhov muag thiab tawv nqaij, thiab yaug tam sim nrog dej kom ntau yog tias tsis txhob kov.
- Tsis txhob nqus cov plua plav lossis vapors thiab hnav cov khoom tiv thaiv tus kheej xws li lub qhov ncauj qhov ntswg thiab hnab looj tes thaum ua haujlwm.
- Tsis txhob noj thiab khaws kom deb ntawm cov menyuam mos thiab tsiaj. Yog tias noj tsis tau, mus nrhiav kev kho mob tam sim ntawd.
