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Fumaric acid CAS 110-17-8

Hantida Kiimikada:

Qaanuunka molecular C4H4O4
Molar Mass 116.07
Cufnaanta 1.62
Meesha dhalaalaysa 298-300 °C (sbl.) ( shidan)
Boling Point 137.07°C (qiyaasta qallafsan)
Barta Fiishka 230 °C
Lambarka JECFA 618
Biyuhu milmayn 0.63 g/100 mL (25ºC)
Solubility Ku milmay DMSO, biyo, oo aan milmin karin dareerayaasha dabiiciga ah ee dufanka ku milma
Uumiga Uumiga 1.7 mm Hg (165 °C)
Muuqashada Budada cad ama crystal aan midab lahayn
Midabka Caddaan
Merck 14,4287
BRN 605763
pKa 3.02, 4.38 ( saacada 25 ℃)
PH 3.19 (1 mM xal);2.57 (10 mM xal);2.03 (100 mM xal);
Xaalada Kaydinta Ku kaydi meel ka hooseysa +30°C.
Xasilooni Deggan heerkulka qolka. Wuxuu burburiyaa qiyaastii 230 C. Aan ku habboonayn walxaha oksaydhiyeyaasha xooggan, saldhigyada, wakiilada yareeya. Gubi kara
Xasaasi ah Si fudud u nuuga qoyaanka
Xadka Qaraxyada 40%
Tusmada Dib-u-celinta 1.5260 (qiyaas)
MDL MFCD00002700
Tilmaamaha Jirka iyo Kiimikada Astaamaha cirbad-la'aanta monoclinic-ka ama lobular Crystal, dhadhan dhanaan miro.
milmay: wax yar oo ku milmay biyaha, ether iyo acetic acid, oo ku milma ethanol. Ku dhawaad ​​aan lagu milmi karin chloroform.
Isticmaal Si loo soo saaro xuubka polyester-ka ee aan saturated lahayn, sunta cayayaanka, acids iyo amino acids

Faahfaahinta Alaabta

Tags Product

Calaamadaha halista Xi - xanaaq
Xeerarka Khatarta 36 – Indhaha oo ka xanaajiya
Sharaxaada Badbaadada 26- Haddii ay dhacdo in indhaha la taabto, isla markiiba ku luqluq biyo badan oo raadso talo caafimaad.
Aqoonsiga UN-ka UN 9126
WGK Germany 1
RTECS LS9625000
TSCA Haa
Koodhka HS 29171900
Sunta LD50 afka ah ee Bakaylaha: 9300 mg/kg LD50 dermal Bakayle 20000 mg/kg

 

Hordhac

Fumaric acid. Kuwa soo socdaa waa horudhac ku saabsan sifooyinka, isticmaalka, hababka diyaarinta iyo macluumaadka badbaadada ee transbutalic acid:

 

Tayada:

- Aashitada loo yaqaan 'transbutadiic acid' waa crystal aan midab lahayn ama adag oo cad oo leh dhadhan dhanaan.

-Waxay ku milmay biyaha iyo dareerayaal badan oo organic ah sida alkolada iyo ethers.

- Heerkulka sare, transbutylic acid wuu burburaa si uu u soo saaro kaarboon dioxide iyo acetone.

 

Isticmaal:

- Waxaa si weyn loogu isticmaalaa diyaarinta xabagta polyester-ka ee soo saarista alaabada sida dahaarka, balaastikada, iyo fiilooyinka.

 

Habka:

- Transbutenic acid waxaa lagu heli karaa falcelinta butene bromine iyo sodium carbonate. Habka iskudhafka gaarka ah wuxuu ku lug leeyahay tillaabooyin badan, oo ay ku jiraan diyaarinta butene, falcelinta bromination, iyo hydrolysis alkaline.

 

Macluumaadka Badbaadada:

- Aashitada loo yaqaan 'transbutadiic acid' waa unug cuncun leh oo laga yaabo inay keento xanaaq iyo gubasho maqaarka iyo indhaha.

- Xidho qalabka ilaalinta shakhsi ahaaneed ee ku haboon sida galoofyada, muraayadaha, iyo dharka ilaalinta inta aad gacanta ku hayso.

- Iska ilaali in aad neefsato boodhkeeda ama uumiga, waana in ay ka hawlgashaa meel hawo fiican leh.

- Xeerarka maxalliga ah iyo nidaamyada hawlgalka ee badbaadada leh waa in la raaco marka la kaydinayo iyo la tacaalida xarunta.

 


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