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3-Bromo-2-methylpyridine (CAS# 38749-79-0)

Hantida Kiimikada:

Qaanuunka molecular C6H6BrN
Molar Mass 172.02
Cufnaanta 1.495
Boling Point 76°C/17mm
Barta Fiishka 174°F
Uumiga Uumiga 1.27mmHg at 25°C
Muuqashada Dareere
Midabka Cad, aan midab lahayn ilaa brown
pKa 3.59±0.10 (La saadaaliyay)
Xaalada Kaydinta Jawi aan firfircoonayn, Heer kulka qolka
Tusmada Dib-u-celinta 1.5604
MDL MFCD00191224
Tilmaamaha Jirka iyo Kiimikada Cufnaanta: 1.549
Isticmaal Dareen-celinta NBS-dibromination ee uu bilaabay peroxide iyo falcelinta hydrolysis ee ku xigta ayaa loo rogi karaa pyridine formaldehyde u dhigma.

Faahfaahinta Alaabta

Tags Product

Xeerarka Khatarta R22 - Waxyeelo leh haddii la liqo
R37/38 - Ka xanaajiso habka neefsashada iyo maqaarka.
R41 - Khatarta dhaawaca daran ee indhaha
R36/37/38 - Waxay ka xanaajisaa indhaha, habka neefsashada iyo maqaarka.
R20/21/22 - Waxyeelo xagga neefsashada, taabashada maqaarka iyo haddii la liqo.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36/39 -
S36 - Xidho dhar ilaalin ku habboon.
S36/37/39 - Xidho dhar ilaalin ku haboon, galoofyada iyo ilaalinta indhaha/wejiga.
WGK Germany 3
Koodhka HS 29333990
Heerka khatarta XANUUNSAN

 

Hordhac

2-methyl-3-bromopyridine waa unug dabiici ah. Kuwa soo socdaa waa horudhac ku saabsan guryaha, isticmaalka, hababka diyaarinta iyo macluumaadka badbaadada xarunta:

 

Tayada:

2-Methyl-3-bromopyridine waa dareere aan midab lahayn oo leh udgoon la mid ah pyridine.

 

Isticmaal:

2-Methyl-3-bromopyridine waxaa inta badan loo isticmaalaa sidii reagent iyo dhex dhexaad u ah isku dhafka organic.

 

Habka:

Guud ahaan, diyaarinta 2-methyl-3-bromopyridine waxaa lagu gaari karaa falcelinta bromination ee pyridine. Habka isku dhafan ee sida caadiga ah loo isticmaalo waa in laga falceliyo 2-methylpyridine leh bromine ee dareeraha organic sida chloroform, iyada oo la isticmaalayo sodium hydroxide sida kicinta.

 

Macluumaadka Badbaadada: Waa walax sun ah oo laga yaabo inay keento xanaaq iyo dhaawac soo gaadho hab-dhiska neefsiga ee bini'aadamka, maqaarka, iyo indhaha. Qalabka ilaalinta shakhsi ahaaneed ee habboon sida galoofyada kiimikaad, muraayadaha indhaha, iyo dharka ilaalinta waa in la xidhaa marka la isticmaalayo waana in la iska ilaaliyaa xidhiidhka tooska ah. Inta lagu jiro kaydinta iyo maaraynta, waxaa lagama maarmaan ah in fiiro gaar ah loo yeesho dabka iyo iftiinka, lana hubiyo in laga fogeeyo dabka iyo ilaha kulaylka. Tan ugu muhiimsan, raac nidaamka qalliinka badbaadada leh ee kiimikooyinka oo raac xeerarka khuseeya.


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