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mankhwala

Mowa wa Furfuryl(CAS#98-00-0)

Chemical Property:

Molecular Formula C5H6O2
Misa ya Molar 98.1
Kuchulukana 1.135 g/mL pa 25 °C (kuyatsa)
Melting Point -29 °C (kuyatsa)
Boling Point 170 ° C (kuyatsa)
Pophulikira 149°F
Nambala ya JECFA 451
Kusungunuka kwamadzi MISCIBLE
Kusungunuka mowa: kusungunuka
Kuthamanga kwa Vapor 0.5 mm Hg (20 °C)
Kuchuluka kwa Vapor 3.4 (vs mpweya)
Maonekedwe Madzi
Mtundu Yellow yoyera
Kununkhira Zoyipa pang'ono.
Malire Owonetsera NIOSH REL: TWA 10 ppm (40 mg/m3), STEL 15 ppm (60 mg/m3), IDLH 75ppm; OSHA PEL: TWA 50 ppm; ACGIH TLV: TWA 10 ppm, STEL 15 ppm (yosinthidwa).
Merck 14,4305
Mtengo wa BRN 106291
pKa 14.02±0.10 (Zonenedweratu)
PH 6 (300g/l, H2O, 20℃)
Mkhalidwe Wosungira Sungani pansi +30 ° C.
Zophulika Malire 1.8-16.3% (V)
Refractive Index n20/D 1.486(lit.)
Zakuthupi ndi Zamankhwala Khalidwe: madzi opanda mtundu, oyenda bwino omwe amasanduka bulauni kapena ofiira kwambiri akakhala padzuwa kapena mpweya. Kulawa kowawa.
kutentha kwa 171 ℃
kuzizira -29 ℃
kachulukidwe wachibale 1.1296
Refractive index 1.4868
kung'anima 75 ℃
Kusungunuka kumasakanikirana ndi madzi, koma kosakhazikika m'madzi, kusungunuka mu ethanol, etha, benzene ndi chloroform, osasungunuka mu petroleum hydrocarbons.
Gwiritsani ntchito Amagwiritsidwa ntchito ngati zopangira zopangira mitundu yosiyanasiyana ya utomoni wa furan, zokutira zotsutsana ndi dzimbiri, ndizosungunulira bwino.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R48/20 -
R40 - Umboni wochepa wa zotsatira za carcinogenic
R36/37 - Zokhumudwitsa m'maso ndi kupuma.
R23 - Poizoni pokoka mpweya
R21/22 - Zowopsa pokhudzana ndi khungu komanso ngati zitamezedwa.
Kufotokozera Zachitetezo S23 - Osapuma mpweya.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S63 -
S45 - Pakachitika ngozi kapena ngati simukumva bwino, funsani upangiri wachipatala nthawi yomweyo (onetsani chizindikirocho ngati kuli kotheka.)
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
Ma ID a UN UN 2874 6.1/PG 3
WGK Germany 1
Mtengo wa RTECS LU9100000
FLUKA BRAND F CODES 8
TSCA Inde
HS kodi 2932 13 00
Kalasi Yowopsa 6.1
Packing Group III
Poizoni LC50 (4 hr) mu makoswe: 233 ppm (Jacobson)

 

Mawu Oyamba

Furfuryl mowa. Izi ndi zoyambira za katundu, ntchito, njira zokonzekera ndi chidziwitso cha chitetezo cha mowa wa furfuryl:

 

Ubwino:

Mowa wa Furfuryl ndi madzi opanda mtundu, onunkhira bwino komanso osasunthika pang'ono.

Mowa wa Furfuryl umasungunuka m'madzi komanso umasakanikirana ndi zosungunulira zambiri za organic.

 

Gwiritsani ntchito:

 

Njira:

Pakadali pano, mowa wa furfuryl umakonzedwa makamaka ndi kaphatikizidwe ka mankhwala. Imodzi mwa njira zomwe zimagwiritsidwa ntchito kwambiri ndikugwiritsa ntchito haidrojeni ndi furfural popanga hydrogenation pamaso pa chothandizira.

 

Zambiri Zachitetezo:

Mowa wa Furfuryl umadziwika kuti ndi wotetezeka nthawi zambiri umagwiritsidwa ntchito, koma ukhoza kuyambitsa ziwengo mwa anthu ena.

Pewani kukhudzana ndi mowa wa furfuryl m'maso, pakhungu, ndi mucous nembanemba, ndipo muzimutsuka ndi madzi ambiri ngati akumana.

Mowa wa Furfuryl umafunika chisamaliro chowonjezereka m'manja mwa ana kuti asalowe mwangozi kapena kukhudza.

 


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