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Propylene Glycol Methyl Etha Acetate Pma CAS 108-65-6 - 108-65-6 na Pma
Maelezo ya Bidhaa
Propylene glikoli methyl etha asetate (PMA)-propionate (PMP) ni kiyeyusho cha kiwango cha juu cha sumu. Molekuli yake ina vikundi vya etha na kabonili. Kundi la kabonili huunda muundo wa ester na lina vikundi vya alkili. Kuna sehemu zote zisizo za polar na sehemu za polar katika molekuli moja. Vikundi vya kazi vya sehemu hizi mbili sio tu kuzuia na kukataa kila mmoja, lakini pia hucheza jukumu la asili. Kwa hiyo, kuna nguvu fulani ya kufuta kwa vitu visivyo vya polar na polar. Inatumika sana katika mipako ya hali ya juu, resini, uchapishaji wa wino, kemikali za elektroniki, nk.
index ya ubora wa bidhaa
| Kipengee | Propylene glikoli methyl etha acetate(PMA) | 2-methoxy-1-propanol acetate(ISO-PMA) | Propylene glikoli methyl etha propionate(PMP) | Dipropylene glikoli methyl etha acetate(DPMA) |
| Nambari ya CAS. | 108-65-6 | 70657-70-4 | 148462-57-1 | 88917-22-0 |
| Muonekano | Uwazi usio na rangi | Uwazi usio na rangi | Uwazi usio na rangi | Uwazi usio na rangi |
| % ya maudhui <000000>ge; | 99.5 | 99.5 | 99.5 | 99 |
| Aina ya kunereka ºC | 143~149 | 140~150 | 158~168 | 200~217 |
| Msongamano(D420)g/ml | 0.965~0.975 | 0.965~0.975 | 0.935~0.965 | 0.979~0.989 |
| Asidi (asidi asetiki)%<000000>le; | 0.02 | 0.02 | 0.02 | 0.03 |
| Maudhui ya maji %(WT) | 0.05 | 0.1 | 0.05 | 0.05 |
| Rangi(Pt-Co) | 10 | 15 | 10 | 15 |
Tahadhari
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ufungaji na uhifadhi na usafirishaji
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