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2-Amino-6-bromopyridine（CAS# 19798-81-3) Ata Fa'aalia
  • 2-Amino-6-bromopyridine（CAS# 19798-81-3) 1

2-Amino-6-bromopyridine（CAS# 19798-81-3)

Meatotino tau vailaau:

Fuafua mole C5H5BrN2
Molar Mass 173.01
Malosi 1.710±0.06 g/cm3(Va'ai)
Lisi Lisi 88-91 °C (malamalama)
Manu'a 273.0±20.0 °C(Va'ai)
Mata'imu 118.9°C
Suavai Solubility Solu teisi i le vai.
Solubility Chloroform (La'iti), Methanol (Toe La'ititi)
Ausa Malo 0.0059mmHg ile 25°C
Fa'aaliga Pa'epa'e i le enaena enaena pauta
Lanu Laititi samasama i le lanu enaena
pKa 2.73±0.24(Voloia)
Tulaga Teuteu Taofi i se nofoaga pogisa, Faamaufa'ailoga i le matutu, Potu Tevela

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia ma le Saogalemu

Tulaga lamatia R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
R20/21/22 – E afaina pe a manava, pe a pa'u ma pe a folo.
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S36 – Fai ofu puipui talafeagai.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
WGK Siamani 3
HS Code 29333999
Vasega o Tulaga Lamatia FAAFITAU

 

 

2-Amino-6-bromopyridine（CAS# 19798-81-3) Faamatalaga

Vaaiga lautele O le 2-amino suitulaga o le nitrogen-o loʻo iai le ono-membered heterocyclic compound o loʻo i ai faʻaoga taua i le vailaʻau vailaʻau, e pei o le 2-amino -6-Bromopyridine o se tasi o fausaga taua i vailaʻau faʻapipiʻi ma vailaʻau vailaʻau faʻatoʻaga, ma e faʻaaogaina lautele i le faʻasologa. o mea fa'alenatura, vaila'au, mea fa'amalama ma vaila'au lelei eseese.
Fa'atatauga 2-amino suitulaga nitrogen-o loʻo i ai le ono-membed heterocyclic compounds ei ai faʻaoga taua i le vailaʻau vailaʻau, e pei o le 2-amino -6-Bromopyridine o se tasi o fausaga taua i vailaʻau faʻasolosolo ma vailaʻau vailaʻau faʻatoʻaga, ma e faʻaaogaina lautele i le faʻasologa. o mea fa'alenatura, vaila'au, mea fa'amalama ma vaila'au lelei eseese.
Sauniuniga Sauniuniga o le 2-amino-6-bromopyridine: Faʻaopoopo le 2-fluoro-6-bromo-pyridine (1mmol), pentamidine hydrochloride (2mmol), sodium tert-butoxide (3mmol), HO (0.5mL) ma le diethylene glycol dimethyl eter (2.5). mL) i totonu o se paipa tali 25 ml. O le tali na faia i le 150 ℃ mo le 24 itula. A maeʻa le tali, ona faʻamalo i le vevela potu. Faaopopo le 10mL o le ethyl acetate e tineia ai le tali, faʻaopopo le 6mL o le vai masima tumu e fufulu ai, vavae ese le vaega faʻaola, ona aveese lea o le vaega aqueous ma le ethyl acetate mo le 3 taimi (o le fua ole ethyl acetate i taimi taʻitasi e 6mL) ma faʻapipiʻi le organic. vaega, fa'aopopo le sodium sulfate e fa'amamago, aveese le solvent e aofia ai solvent organic ma solvent inorganic e ala ile vacuum distillation, ona tuueseese le solvent organic e ala ile chromatography koluma e maua ai le oloa faʻatatau 2-amino-6-bromopyridine ma se fua o le 93%.
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