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ọja

4-Hydroxy-5-Methyl-3 (2h) -Furanone (CAS # 19322-27-1)

Ohun-ini Kemikali:

Fọọmu Molecular C5H6O3
Molar Mass 114.1
iwuwo 1.382± 0.06 g/cm3 (Asọtẹlẹ)
Ojuami Iyo 129-133°C(tan.)
Ojuami Boling 218.3± 40.0 °C(Asọtẹlẹ)
Nọmba JECFA 1450
Solubility Chloroform (Sparingly), DMSO (Diẹ), kẹmika (Diẹ)
Ifarahan Funfun si ina ofeefee gara lulú
Àwọ̀ Ina Yellow to Yellow
Òórùn sisun eran wònyí
pKa 9.61± 0.20 (Asọtẹlẹ)
Ibi ipamọ Ipo labẹ gaasi inert (nitrogen tabi argon) ni 2-8 ° C
MDL MFCD02752619
Ti ara ati Kemikali Properties WGK Germany:3

Alaye ọja

ọja Tags

WGK Germany 3

 

Ọrọ Iṣaaju

4-Hydroxy-5-methyl-3 (2H) -furanone. Atẹle jẹ ifihan si iseda rẹ, lilo, ọna iṣelọpọ ati alaye ailewu:

 

Didara:

- Ifarahan: 4-Hydroxy-5-methyl-3 (2H) -furanone jẹ omi ti ko ni awọ ati ṣiṣan.

- Solubility: O le ti wa ni tituka ninu omi tabi ni Organic olomi.

 

Lo:

- 4-Hydroxy-5-methyl-3 (2H) -furanone le ṣee lo bi agbedemeji ni iṣelọpọ Organic fun igbaradi ti awọn agbo ogun Organic miiran.

 

Ọna:

- 4-Hydroxy-5-methyl-3 (2H) -furanone ni a le pese sile nipasẹ oxidation methylalkane ati brominated hydroxylation.

 

Alaye Abo:

- Ipele majele ti 4-hydroxy-5-methyl-3 (2H) -furanone ko ti fi idi mulẹ ati pe o yẹ ki o lo pẹlu abojuto ati ni ibamu pẹlu awọn ilana imudani ailewu ti awọn kemikali ti o yẹ.

- Yago fun olubasọrọ pẹlu awọ ara, oju, ati awọn membran mucous miiran nigba lilo, ati ṣe awọn ọna aabo gẹgẹbi wọ awọn gilaasi aabo-kemika ati awọn ibọwọ.

- Fun ibi ipamọ, 4-hydroxy-5-methyl-3 (2H) -furanone yẹ ki o wa ni ipamọ ni itura, ibi gbigbẹ kuro lati ina ati awọn oxidants.


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