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2 5-dibromo-6-methylpyridine(CAS# 39919-65-8)

Meatotino tau vailaau:

Fuafua mole C6H5Br2N
Molar Mass 250.92
Malosi 1.911±0.06 g/cm3(Va'ai)
Lisi Lisi 0°C
Manu'a 0°C
Mata'imu 0°C
Solubility solu i le Methanol
Ausa Malo 0.0488mmHg ile 25°C
Fa'aaliga Malosi samasama samasama
Lanu Pa'epa'e i moli i le lanumeamata
pKa -0.84±0.10(Vavaloa)
Tulaga Teuteu i lalo o le kasa inert (nitrogen po'o Argon) ile 2-8°C
Fa'asino Upu 1.593
MDL MFCD06254589

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia ma le Saogalemu

Tulaga lamatia R20/21/22 – E afaina pe a manava, pe a pa'u ma pe a folo.
R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
R41 – Tulaga lamatia o le faaleagaina mata
R22 – E afaina pe a foloina
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
UN ID UN 2811 6.1/PG 3
WGK Siamani 3
HS Code 29333990
Mata'utia Fa'amatalaga Fa'aleagaina
Vasega o Tulaga Lamatia FAAFITAU
Fa'aputu Vaega III

2 5-dibromo-6-methylpyridine(CAS#39919-65-8) Folasaga
2,5-Dibromo-6-methylpyridine o se faʻalapotopotoga faʻapitoa. O lo'o ta'ua i lalo se folasaga i ona meatotino, fa'aoga, metotia sauniuni ma fa'amatalaga saogalemu:

Meatotino:
Faʻaaliga: 2,5-Dibromo-6-methylpyridine o se lanu samasama poʻo se lanu samasama.
Solubility: E solu i nisi solvents organic, pei ole ethanol, eter ma ester solvents.

Fa'aoga: E mafai ona fa'aogaina i le fa'aogaina o meaola e fa'afeiloa'i ai vaega o le methyl po'o le fa'aogaina o le bromination.

Sauniuniga auala:
Ole auala sauniuni ole 2,5-Dibromo-6-methylpyridine e mafai ona faʻatinoina i laasaga nei:
Fa'amuta 2,6-dimethylpyridine i le ava malosi, ketone po'o le ester solvent.
Fa'aopopo le bromine po'o le bromination reagent i le vaifofo tali.
O le tali e faia i se vevela talafeagai, ma o le taimi tali e masani lava ona umi.
A maeʻa ona maua le oloa, e mafai ona maua mai ma faʻamamāina e ala i le faʻamaʻaina poʻo le faʻamama tioata auala.

Fa'amatalaga saogalemu:
2,5-Dibromo-6-methylpyridine e oona i se tulaga patino ma faʻafefe ai le paʻu ma mata. E tatau ona aloese mai fesootaiga tuusao. I le taimi o le taotoga, e tatau ona ofuina meafaigaluega puipuia talafeagai, e pei o totigilima ma mata tioata. E tatau ona faia le gaioiga i totonu o se nofoaga e faʻafefe lelei e puipuia ai le manavaina o kasa leaga. Pe a lafoai otaota, e tatau ona taulimaina e tusa ai ma tulafono faatonutonu a le lotoifale. A faʻaaoga pe teuina le 2,5-dibromo-6-methylpyridine, e tatau ona faʻaeteete e aloese mai le afi ma le maualuga o le vevela.


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