4-Methylumbelliferone (CAS # 90-33-5)
| Risk Codes | R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. 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. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag S36 - Hnav khaub ncaws tiv thaiv zoo. |
| WGK Germany | 2 |
| RTECS | GN7000000 |
| TSCA | Yog lawm |
| HS Code | 293299 0 |
| Kev Ceeb Toom | Irritant |
| Toxicity | LD50 qhov ncauj hauv nas: 3850mg / kg |
Taw qhia
Oxymethocoumarin, tseem hu ua vanillone, yog cov organic compound.
Zoo:
Cov tsos mob: Oxymethaumarin yog dawb los yog daj crystalline khoom nrog ib tug tshwj xeeb aroma, zoo li vanilla.
Solubility: Oxymethocoumarin dissolves me ntsis hauv dej kub, tab sis yuav luag insoluble hauv dej txias. Nws yog soluble hauv cov kuab tshuaj organic xws li ethanol, ether thiab chloroform.
Cov khoom siv tshuaj: Oxymethacoumarin yog qhov ruaj khov hauv cov kua qaub, tab sis nws yog ib qho yooj yim rau decompose nyob rau hauv muaj zog alkaline tov los yog kub kub.
Siv:
Txoj kev:
Oxymethaumarin tuaj yeem muab rho tawm los ntawm ntuj vanilla thiab feem ntau yog muab los ntawm vanilla herbaceous nroj tsuag xws li vanilla taum lossis vanilla nyom. Tsis tas li ntawd, nws tseem tuaj yeem npaj tau los ntawm cov txheej txheem hluavtaws, feem ntau yog siv cov coumarin los ua cov khoom siv raw, thiab hloov los ntawm cov tshuaj lom neeg.
Cov ntaub ntawv kev nyab xeeb:
Oxymethocoumarin feem ntau suav hais tias muaj kev nyab xeeb, tab sis kev tsis haum tshuaj yuav tshwm sim hauv qee tus neeg. Thaum nws yog tsim thiab siv nyob rau hauv kev lag luam, yuav tsum tau ua raws li kev tiv thaiv kev nyab xeeb, xws li hnav hnab looj tes tiv thaiv thiab tsom iav. Kev sib cuag nrog cov khoom xws li cov kua qaub, muaj zog alkalis, thiab oxidants yuav tsum raug zam kom tsis txhob muaj kev phom sij.
