asia_oju-iwe

ọja

Fufuryl thioacetate (CAS#13678-68-7)

Ohun-ini Kemikali:

Fọọmu Molecular C7H8O2S
Molar Mass 156.2
iwuwo 1.171 g/mL ni 25 °C (tan.)
Ojuami Boling 90-92°C/12 mmHg (tan.)
Oju filaṣi 199°F
Nọmba JECFA 1074
Vapor Presure 0.203mmHg ni 25°C
Ifarahan Omi
Specific Walẹ 1.171
Àwọ̀ Awọ dudu
Ibi ipamọ Ipo 2-8°C
Atọka Refractive n20/D 1.526(tan.)
Ti ara ati Kemikali Properties Omi ti ko ni awọ, pẹlu oorun didun kofi. Oju omi farabale 90 ~ 92 iwọn C (1600pa). Awọn ọja adayeba wa ni kofi ati bii.
Lo Lo bi adun ounje

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 S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S36 / 37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
UN ID UN 3334
WGK Germany 3
TSCA Bẹẹni
HS koodu 29321900
Kíláàsì ewu 9

 

Ọrọ Iṣaaju

Methyl thioethyl S-acid branyl. Atẹle jẹ ifihan si awọn ohun-ini, awọn lilo, awọn ọna igbaradi ati alaye ailewu ti methyl thioethyl thioS-acid furfur:

 

Didara:

Methyl thioethyl S-fufrate jẹ omi ti ko ni awọ pẹlu itọwo methyl sulfate pataki kan. O ti wa ni tiotuka ninu Organic olomi bi alcohols, ketones, ati ethers, sugbon insoluble ninu omi.

 

Lo:

Methyl thioethyl S-furfur jẹ lilo pupọ ni aaye ti iṣelọpọ Organic. O le ṣee lo bi reagent fun orisirisi awọn aati kolaginni Organic, gẹgẹ bi awọn carbonylation ti amines, awọn esterification ati acylation ti alcohols, bbl Methyl thioethyl S-furfur tun le ṣee lo bi awọn kan preservative ati epo.

 

Ọna:

Igbaradi ti methyl thioethyl S-acid furfur ni a maa n gba nipasẹ iṣesi ti erogba disulfide pẹlu methyl chloroacetate. Ọna igbaradi pato jẹ bi atẹle: disulfide erogba ti lọ silẹ laiyara sinu methyl chloroacetate ninu omi yinyin, ati pe ojutu ifasẹyin ti ru ni akoko kanna. Lẹhin ti ifasẹyin ti pari, ojutu ifaseyin ti wa ni afikun si ojutu iṣuu soda kiloraidi ti o kun, ati lẹhinna ti jade Layer Organic ti a si gbẹ pẹlu iṣuu soda kiloraidi anhydrous. Furfur Methyl thioethyl S-acid ni a gba nipasẹ distillation.

 

Alaye Abo:

Methyl thioethyl S-furfur jẹ ohun alumọni Organic pẹlu õrùn gbigbona ati pe o yẹ ki o yago fun nigba lilo. Nigbati o ba n ṣiṣẹ, ohun elo aabo ti o yẹ gẹgẹbi awọn gilaasi aabo ati awọn ibọwọ yẹ ki o wọ. O yẹ ki o wa ni ipamọ ni itura, gbigbẹ, aaye ti o ni afẹfẹ daradara, kuro lati ina ati awọn oxidizers, lati yago fun ina ati bugbamu. Fun lilo ati ibi ipamọ ti awọn kemikali eyikeyi, o ṣe pataki lati tẹle awọn iṣe mimu ailewu to dara.


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