Nā huahana
Pyridinium tribromide
Synonyms:Pyridinium perbromide;Hydrogen tribromide,compd.me ka pyridine (1: 1);Pyridine Hydrobromide Perbromide;Pyridinium hydrobromide perbromide;
Waiwai Kemika o Pyridinium tribromide
● Nānā / kala: nā kristal ʻulaʻula
● Lae hehee:127-133 °C
● Hōʻike Hōʻikeʻike:1.6800 (manaʻo)
● Lae paila:115.3 °C ma 760 mmHg
● Kaila Uila:20 °C
● PSA：14.14000
● Mānoanoa:2.9569 (manaʻo koʻikoʻi)
● LogP:-0.80410
● Manawa Waihona:2-8°C
● Pilikino.:Lachrymatory
● Solubility.: hiki ke hoʻoheheʻe ʻia i ka Methanol
● Hiki i ka wai.:decomposes
Maʻemaʻe/Maʻemaʻe
99% *ʻikepili mai nā mea hoʻolako maka
Pyridinium Tribromide *ka ʻikepili mai nā mea hoʻolako reagent
ʻIkepili palekana
● Piktogram(s):
C,
Xi
● Nā Code Hazard:C,Xi
● ʻŌlelo:37/38-34-36
● Nā ʻōlelo palekana: 26-36/37/39-45-24/25-27
Nā waihona MSDS
Pono
● Hoʻohana: Pyridinium Tribromide he reagent i hoʻohanaʻia i ka α-thiocyanation o nā ketones a ua hoʻohana pūʻia i ka synthesis o nā β-adrenergic blocking agents (iʻikeʻia he β-blockers) no nā maʻi me ka naʻauʻole.I nā brominations liʻiliʻi, kahi i ʻoi aku ka maʻalahi a ʻoluʻolu e ana a hoʻohana ʻia ma mua o ka bromine elemental.Hoʻohana ʻia ʻo Pyridine hydrobromide perbromide ma ke ʻano he brominating reagent i ka alfa-bromination a me ka alfa-thiocyanation o nā ketones, phenols, unsaturated a me nā ethers aromatic.Hoʻohana ʻia ia ma ke ʻano he mea maka i ka hoʻomākaukau ʻana i nā beta-adrenergic blocking agents.Eia kekahi, hoʻohana ʻia ia ma ke ʻano he reagent analytical.
