4-Methylumbelliferone CAS 90-33-5
Nā kristal ʻano nila 4-Methylobelliferone. Hehi hoʻoheheʻe 185-186 ℃ (194-195 ℃), hiki ke hoʻoheheʻe ʻia i loko o ka ethanol, ka waikawa acetic, nā hopena alkaline, a me ka ammonia, hiki ke hoʻoheheʻe iki ʻia i ka wai wela, ether, a me chloroform. ʻO ka fluorescence polū i ka wā e hana ai me ka waikawa sulfuric i hoʻopaʻa ʻia
| Mea | Nā kikoʻī |
| MW | 176.17 |
| Kiko heheʻe | 188.5-190 °C (mālamalama ʻia) |
| Maʻemaʻe | hoʻoheheʻe iki ʻia |
| HOʻOHEʻE ʻIA | Hoʻoheheʻe ʻia i ka wai. |
| Nā kūlana mālama | 2-8°C |
| pKa | 7.79 (ma 25 ℃) |
ʻO 4-Methylobelliferone kahi lāʻau choleretic a he waena o ka lāʻau anti-allergic sodium succinate. 4-Methylobelliferone laser dye, maʻamau no ka hoʻoholo ʻana o ka fluorescence o ka hana enzyme. He hōʻailona no ke ana ʻana i ka waikawa nitric.
Hoʻopili pinepine ʻia i loko o 25kg / pahu, a hiki ke hana ʻia kahi pūʻolo i hoʻopilikino ʻia.
4-Methylumbelliferone CAS 90-33-5
4-Methylumbelliferone CAS 90-33-5
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou
