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ibicuruzwa

p-Tolyl acetate (CAS # 140-39-6)

Umutungo wa Shimi:

Inzira ya molekulari C9H10O2
Misa 150.17
Ubucucike 1.047g / mLat 25 ° C (lit.)
Ingingo yo gushonga 48.5 ° C.
Ingingo ya Boling 210-211 ° C (lit.)
Flash point 194 ° F.
Umubare wa JECFA 699
Amazi meza 1.195g / L kuri 25 ℃
Gukemura Kudashonga mumazi
Umwuka 21.864Pa kuri 25 ℃
Kugaragara ifu kumeneka kugirango isukure amazi
Uburemere bwihariye 1.052 (20/4 ℃)
Ibara Umweru cyangwa Ibara Kuri Hafi Yera Cyangwa Hafi Ibara
Imiterere y'Ububiko Ikidodo cyumye, Ubushyuhe bwicyumba
Ironderero n20 / D 1.501 (lit.)
Ibintu bifatika na shimi Ingingo yo guteka: 210 - 211Ubucucike: 1.047

indangantego: 1.5

Kugaragara: amazi adafite ibara

Koresha Byakoreshejwe nkibikoresho biryoha

Ibicuruzwa birambuye

Ibicuruzwa

Ibimenyetso bya Hazard Xn - Byangiza
Kode y'ingaruka R22 - Byangiza niba byamizwe
R36 / 37/38 - Kurakaza amaso, sisitemu y'ubuhumekero n'uruhu.
Ibisobanuro byumutekano S26 - Mugihe uhuye namaso, kwoza ako kanya n'amazi menshi hanyuma ushakishe inama mubuvuzi.
S36 / 37/39 - Wambare imyenda ikingira, uturindantoki no kurinda amaso / mu maso.
Indangamuntu ya Loni NA 1993 / PGIII
WGK Ubudage 2
RTECS AJ7570000
Uburozi Umunwa ukabije LD50 mu mbeba byavuzwe ko ari 1.9 (1.12-3.23) g / kg (Denine, 1973). Dermal acute LD50 mu nkwavu byavuzwe ko ari 2.1 (1.24-3.57) g / kg (Denine, 1973).

 

Intangiriro

P-cresol acetate, izwi kandi nka ethoxybenzoate, ni ifumbire mvaruganda. Ibikurikira ni intangiriro kumiterere, imikoreshereze, uburyo bwo gutegura namakuru yumutekano ya acide acike p-cresol ester:

 

Ubwiza:

p-cresol acetate ni amazi atagira ibara afite impumuro nziza. Uruvange rushobora gushonga mumashanyarazi nka Ethanol na ethers, ariko gake mumazi.

 

Koresha:

p-cresol acetate ifite imikoreshereze itandukanye munganda. Nibisanzwe byinganda zishobora gukoreshwa mubitambaro, ibifatika, ibisigazwa, hamwe nisuku. Irashobora kandi gukoreshwa mugukosora impumuro nziza na musike, bigatuma flavours na parufe bimara igihe kirekire.

 

Uburyo:

Gutegura p-cresol acetate birashobora gukorwa na transesterification. Uburyo busanzwe ni ugushyushya no gukora p-cresol hamwe na anhydride ya acetike imbere ya catisale ya aside kugirango itange p-cresol acetate na acide acike.

 

Amakuru yumutekano:

Acide acetike ni uburozi kandi irakaza ester estes. Mugihe ukoresha cyangwa ukora, ugomba kwitondera kurinda uruhu n'amaso no kwirinda guhura. Niba winjiye cyangwa uhumeka, shakisha ubuvuzi ako kanya. Igomba kubikwa ahantu hakonje, ihumeka kandi yumye, kure yumuriro na okiside, kugirango ikoreshwe neza.


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