asia_oju-iwe

ọja

5-Methyl furfural (CAS # 620-02-0)

Ohun-ini Kemikali:

Fọọmu Molecular C6H6O2
Molar Mass 110.11
iwuwo 1.107g/mLat 25°C(tan.)
Ojuami Iyo 171 °C
Ojuami Boling 187-189°C(tan.)
Oju filaṣi 163°F
Nọmba JECFA 745
Omi Solubility Tiotuka ninu oti ati omi.
Solubility Tiotuka ninu oti ati omi.
Vapor Presure 0.644mmHg ni 25°C
Ifarahan Oillike ni olfato ti o dun ati lata ati õrùn caramel.
Specific Walẹ 1.1075 (20/20℃)
Àwọ̀ ofeefee jin pupọ si brown
BRN 106895
Ibi ipamọ Ipo 2-8°C
Ni imọlara Afẹfẹ Sensitive
Atọka Refractive n20 / D 1.531
MDL MFCD00003232
Ti ara ati Kemikali Properties Ọja yi ni a die-die ofeefee sihin omi, B. p.72 ~ 73 ℃ / 1.5kpa (tabi 187 ℃), n20D 1.5307, ojulumo iwuwo 1.1070, tiotuka ni benzene, toluene, carbon tetrachloride ati awọn miiran epo, insoluble ninu omi.
Lo Lo bi adun taba

Alaye ọja

ọja Tags

Awọn aami ewu Xi - Irritant
Awọn koodu ewu 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo 26 - Ni irú ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ati ki o wa imọran iwosan.
WGK Germany 2
RTECS LT7032500
TSCA Bẹẹni
HS koodu 29329995

 

Ọrọ Iṣaaju

5-Methylfurfural, ti a tun mọ ni 5-methyl-2-oxocyclopenten-1-aldehyde tabi 3-methyl-4-oxoamyl acetate. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti 5-methylfurfural:

 

Didara:

Ifarahan: 5-Methylfurfural jẹ omi ti ko ni awọ pẹlu õrùn pataki kan.

iwuwo: isunmọ. 0,94 g/ml.

Solubility: Le ti wa ni tituka ninu omi, alcohols ati ether epo.

 

Lo:

Agbedemeji iṣelọpọ kemikali: O tun le ṣee lo ni iṣelọpọ ti awọn agbo ogun Organic miiran ati bi iṣaju sintetiki fun hydroquinone.

 

Ọna:

Ipa ọna sintetiki ti o wọpọ jẹ nipasẹ iṣesi katalitiki ti awọn enzymu ti o ni ibatan Bacillus isosparatus. Ni pataki, 5-methylfurfural le ṣee gba nipasẹ bakteria igara ti butyl acetate.

 

Alaye Abo:

5-Methylfurfural jẹ irritating si awọ ara ati oju, nitorina o gbọdọ san ifojusi lati daabobo ọwọ ati oju rẹ ati yago fun olubasọrọ nigba lilo.

Inhalation ti awọn ifọkansi giga ti 5-methylfurfural le fa awọn aami aiṣan ti korọrun bii dizziness ati drowsiness, nitorina rii daju pe o lo ni agbegbe ti o ni afẹfẹ daradara ati yago fun ifihan gigun si awọn ifọkansi giga ti oru.

Nigbati o ba n fipamọ ati mimu 5-methylfurfural, o yẹ ki o ṣe itọju lati yago fun olubasọrọ pẹlu oxidant lati dena ina tabi bugbamu. Rii daju pe apoti ipamọ ti wa ni edidi daradara ati ti o fipamọ sinu itura, gbẹ ati aaye ti o ni afẹfẹ, kuro ni ina.

 


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