asia_oju-iwe

ọja

4- (4-Acetoxyphenyl) -2-butanone (CAS # 3572-06-3)

Ohun-ini Kemikali:

Fọọmu Molecular C12H14O3
Molar Mass 206.24
iwuwo 1.099g/mLat 25°C(tan.)
Ojuami Boling 123-124°C0.2mm Hg(tan.)
Oju filaṣi >230°F
Nọmba JECFA 731
Ifarahan afinju
Àwọ̀ Alailowaya si Imọlẹ ofeefee
Merck 14.2616
BRN Ọdun 1961620
Ibi ipamọ Ipo Ti di ni gbigbẹ, Iwọn otutu yara
Atọka Refractive n20/D 1.509(tan.)
Ti ara ati Kemikali Properties Oju omi farabale 123 ~ 124 deg C / 26.7; Nd251.55. Ailopin ninu omi; Tiotuka ni julọ Organic olomi.
Lo Ibalopo ifamọra fun melon eso fo

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 - Wọ aṣọ aabo to dara.
WGK Germany 2
RTECS EL8950000
HS koodu 29147000
Akọsilẹ ewu Irritant
Oloro LD50 ninu awọn eku (mg/kg): 3038 ± 1266 ẹnu; ninu ehoro (mg/kg):>2025 dermally; LC50 (wakati 24) ninu ẹja Rainbow, bluegill sunfish (ppm): 21, 18 (Beroza)

 

Ọrọ Iṣaaju

Rasipibẹri acetopyruvate jẹ ẹya Organic yellow. O jẹ omi ti ko ni awọ pẹlu oorun eso.

Oorun eso rẹ mu itọwo ati adun ọja naa pọ si. Ni afikun, o tun le ṣee lo lati synthesize miiran Organic agbo, eyi ti o jẹ diẹ wapọ.

 

Awọn ọna akọkọ meji lo wa lati mura rasipibẹri ketone acetate. Ọkan ti wa ni gba nipa reacting rasipibẹri ketone ester pẹlu acetic acid niwaju ohun acid ayase; The other is synthesized by reacting raspberry ketone with acetic anhydride in the presence of an alkali catalyst.

 

Alaye Aabo: Rasipibẹri ketone acetate ni eero kekere, ṣugbọn o tun jẹ dandan lati san ifojusi si lilo ailewu. Awọn jia aabo ti o yẹ yẹ ki o wọ nigba mimu rasipibẹri ketone acetate lati ṣe idiwọ fun wiwa si olubasọrọ pẹlu awọ ara ati oju. O yẹ ki o wa ni ipamọ ni itura, gbẹ ati aaye ti o ni afẹfẹ daradara lati yago fun olubasọrọ pẹlu awọn oxidants ati awọn orisun ina.


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