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

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C9H10O2
Molar Mass 150.17
Yawan yawa 1.047g/mLat 25°C(lit.)
Matsayin narkewa 48.5 ° C
Matsayin Boling 210-211°C (lit.)
Wurin Flash 194°F
Lambar JECFA 699
Ruwan Solubility 1.195g/L a 25 ℃
Solubility Mara narkewa a cikin ruwa
Tashin Turi 21.864Pa a 25 ℃
Bayyanar foda don dunƙule don share ruwa
Takamaiman Nauyi 1.052 (20/4 ℃)
Launi Fari ko mara launi zuwa Kusan fari ko Kusan mara launi
Yanayin Ajiya Rufewa a bushe, Zazzabin ɗaki
Fihirisar Refractive n20/D 1.501 (lit.)
Abubuwan Jiki da Sinadarai Matsayin tafasa: 210 - 211 yawa: 1.047

Fihirisar magana: 1.5

Bayyanar: ruwa mara launi

Amfani An yi amfani da shi azaman wakili mai ɗanɗano

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xn - cutarwa
Lambobin haɗari R22 - Yana cutarwa idan an haɗiye shi
R36 / 37/38 - Haushi ga idanu, tsarin numfashi da fata.
Bayanin Tsaro S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S36 / 37/39 - Sanya tufafin kariya masu dacewa, safar hannu da kariya / ido / fuska.
ID na UN NA 1993 / PGIII
WGK Jamus 2
RTECS Saukewa: AJ7570000
Guba An ba da rahoton m LD50 na baka a cikin berayen a matsayin 1.9 (1.12-3.23) g/kg (Denine, 1973). An ba da rahoton m LD50 dermal a cikin zomaye a matsayin 2.1 (1.24-3.57) g/kg (Denine, 1973).

 

Gabatarwa

P-cresol acetate, wanda kuma aka sani da ethoxybenzoate, wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na acetic acid p-cresol ester:

 

inganci:

p-cresol acetate ruwa ne mara launi tare da wari mai kamshi. Ginin yana narkewa a cikin kaushi na halitta kamar ethanol da ethers, amma da wuya a cikin ruwa.

 

Amfani:

p-cresol acetate yana da amfani iri-iri a cikin masana'antu. Yana da sauran kaushi na masana'antu wanda za'a iya amfani dashi a cikin sutura, adhesives, resins, da masu tsaftacewa. Hakanan ana iya amfani dashi azaman gyaran ƙamshi da miski, yana barin ɗanɗano da turare su daɗe.

 

Hanya:

Ana iya aiwatar da shirye-shiryen p-cresol acetate ta hanyar transesterification. Hanyar gama gari ita ce zafi da amsa p-cresol tare da acetic anhydride a gaban mai haɓaka acid don samar da p-cresol acetate da acetic acid.

 

Bayanin Tsaro:

Acetic acid yana da guba kuma yana da haushi ga crsol ester. Lokacin amfani ko aiki, ya kamata a kula don kare fata da idanu da kuma guje wa haɗuwa kai tsaye. Idan an sha ko an shaka, nemi kulawar likita nan da nan. Ya kamata a adana shi a wuri mai sanyi, mai iska da bushewa, nesa da wuta da oxidizers, don tabbatar da amfani mai lafiya.


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