Stearic acid CAS 57-11-4
ʻO ka waika Stearic he paʻa keʻokeʻo a ʻeleʻele paha, hiki ke hoʻoheheʻe ʻia i ka waiʻona a me ka acetone, a hiki ke hoʻoheheʻe ʻia i ka etera, chloroform, benzene, carbon tetrachloride, carbon disulfide, pentyl acetate, toluene, etc. ʻO kona helu hoʻoheheʻe he 69.6 ℃, a hoʻokahi ia o na mea nui o ka momona a me ka aila.
| 'ikamu | Hōʻike |
| Lae paila | 361 °C (māmā) |
| ʻO ka mānoanoa | 0.845 g/cm3 |
| Lae hehee | 67-72 °C (māmā) |
| kiko uila | >230 °F |
| Nā kūlana mālama | E mālama ʻia ma lalo o +30 ° C. |
| pKa | pKa 5.75±0.00(H2O t = 35) (ʻAʻole maopopo) |
Hoʻohana nui ʻia ka Stearic acid i nā mea hoʻonaninani, plasticizers plasticizers, release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproofing agents, polishing agents, metala kopa, metala mineral flotation, softeners, pharmaceuticals, a me nā mea ʻē aʻe. Hiki ke hoʻohana ʻia ka ʻakika Stearic ma ke ʻano he mea hoʻoheheʻe no nā puaʻa hiki ke hoʻoheheʻe ʻia i ka ʻaila, he lubricant no nā penikala, he mea hoʻoliʻi no ka pepa wax, a he emulsifier no nā glycerides stearic acid.
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
Stearic acid CAS 57-11-4
Stearic acid CAS 57-11-4
