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Furfural (CAS#98-01-1)

Hantida Kiimikada:

Qaanuunka molecular C5H4O2
Molar Mass 96.08
Cufnaanta 1.16 g/ml at 25°C (iftiin)
Meesha dhalaalaysa -36 °C (iftiin)
Boling Point 162 °C ( shid)
Barta Fiishka 137°F
Lambarka JECFA 450
Biyuhu milmayn 8.3 g/100 ml
Solubility 95% ethanol: milmay1ML/ml, cad
Uumiga Uumiga 13.5 mm Hg (55 °C)
Cufnaanta uumiga 3.31 ( vs hawada)
Muuqashada Dareere
Midabka Maariin aad u qoto dheer
Xadka Muujinta NIOSH REL: IDLH 100 ppm; OSHA PEL: TWA 5 ppm (20 mg/m3); ACGIHTLV: TWA 2 ppm (la qaatay).
Merck 14,4304
BRN 105755
PH >=3.0 (50g/l, 25℃)
Xaalada Kaydinta Ku kaydi meel ka hooseysa +30°C.
Xasilooni Deggan Walxaha la iska ilaalinayo waxaa ka mid ah saldhigyo adag, walxo oksijiin ah oo xooggan iyo acids xooggan. guban kara
Xasaasi ah Xasaasiyadda hawada
Xadka Qaraxyada 2.1-19.3% (V)
Tusmada Dib-u-celinta n20/D 1.527
Tilmaamaha Jirka iyo Kiimikada dareere saliid leh oo hufan oo aan midab lahayn oo leh ur gaar ah oo la mid ah benzaldehyde. Midabku si degdeg ah ayuu isu beddelaa casaan-brown marka iftiinka iyo hawada la kulmo. Way sahlan tahay in uumi ku rogmado.
barta karkarinta 161.7 ℃
barta qaboojinta -36.5 ℃
cufnaanta qaraabo 1.1594
index refractive 1.5263
dhibic flash 60 ℃
milmayn yar oo biyo ku milmi kara, ku milmay ethanol, ether, acetone, chloroform, benzene.
Isticmaal Waxaa loo isticmaalaa sida alaabta ceeriin ee isku dhafka dabiiciga ah, laakiin sidoo kale isku-darka resins, varnishes, sunta cayayaanka, daawooyinka, caag iyo dahaarka

Faahfaahinta Alaabta

Tags Product

Xeerarka Khatarta R21 - Waxyeelo u leh taabashada maqaarka
R23/25 - Sun ku leh neefsashada iyo haddii la liqo.
R36/37 - Ka xanaajiso indhaha iyo habka neefsashada.
R40 - Caddayn xaddidan ee saamaynta kansarka
R36/37/38 - Waxay ka xanaajisaa indhaha, habka neefsashada iyo maqaarka.
Sharaxaada Badbaadada S26 - Haddii ay dhacdo in indhaha la taabto, isla markiiba ku raaci biyo badan oo raadso talo caafimaad.
S36/37/39 - Xidho dhar ilaalin ku haboon, galoofyada iyo ilaalinta indhaha/wejiga.
S45 - Haddii ay dhacdo shil ama haddii aad dareento xanuun, raadso talo caafimaad isla markiiba (tus calaamadda mar kasta oo ay suurtagal tahay.)
S1/2 - Quful oo meel aanay carruurtu gaadhi karin
S36/37 - Xidho dhar difaac ku haboon iyo galoofyada.
Aqoonsiga UN-ka UN 1199 6.1/PG 2
WGK Germany 2
RTECS LT7000000
FLUKA BRAND F CODES 1-8-10
TSCA Haa
Koodhka HS 2932 12 00
Xusuusin Khatarta Xanaaqsan
Heerka khatarta 6.1
Kooxda Baakadaha II
Sunta LD50 afka laga qaato jiirka: 127 mg/kg (Jenner)

 

Hordhac

Furfural, oo sidoo kale loo yaqaan 2-hydroxyunsaturated ketone ama 2-hydroxypentanone. Kuwa soo socdaa waa horudhac ku saabsan sifooyinka, isticmaalka, hababka diyaarinta iyo macluumaadka badbaadada furfural:

 

Tayada:

- Waxay leedahay muuqaal aan midab lahayn waxayna leedahay dhadhan macaan oo gaar ah.

- Furfural waxay leedahay milmayn hoose oo biyaha ah, laakiin waxay ku milmaan khamriga iyo dareeraha etherka.

- Furfural si sahal ah bay oksaydhisku u yeelaan oo si sahal ah kulaylku wuu u qurmi karaa.

 

Habka:

- Habka caadiga ah ee diyaarinta furfuralka waxaa lagu helaa oksaydhka C6 alkyl ketones (tusaale, hexanone).

- Tusaale ahaan, hexanone waxa lagu oksijiin karaa furfural iyadoo la isticmaalayo ogsijiin iyo kicinta sida potassium permanganate ama hydrogen peroxide.

- Intaa waxaa dheer, acetic acid sidoo kale waxaa lagu falcelin karaa aalkolada kala duwan ee C3-C5 (sida isoamyl khamriga, iwm.) si loo sameeyo ester-ka u dhigma, ka dibna la yareeyo si loo helo furfural.

 

Macluumaadka Badbaadada:

- Furfural suntu way yar tahay laakiin wali waxay u baahan tahay in la isticmaalo oo lagu kaydiyo si taxadar leh.

- Ka fogow taabashada maqaarka iyo indhaha, isla markiiba ku luqluq biyo badan haddii ay kugu dhacdo.

- Waa in laga digtoonaado in lala xiriiro oksidants xooggan, ilaha dabka iwm inta lagu jiro kaydinta iyo isticmaalka si looga hortago dabka ama qaraxa.

- Xaaladaha hawo wanaagsan waa in la bixiyaa inta lagu jiro isticmaalka si looga fogaado in la neefsado uumiga furfuralka.


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