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4-Methylphenylacetic acid (CAS# 622-47-9)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C9H10O2
Molar Mass 150.17
Yawan yawa 1.0858
Matsayin narkewa 88-92 ° C (lit.)
Matsayin Boling 265-267 ° C (lit.)
Wurin Flash 265-267 ° C
Solubility mai narkewa a cikin methanol
Tashin Turi 0.00442mmHg a 25°C
Bayyanar Fari mai kyau crystal
Launi Fari
BRN 2043528
pKa pK1: 4.370 (25°C)
Yanayin Ajiya Rufewa a bushe, Zazzabin ɗaki
Fihirisar Refractive 1.5002 (kimanta)
MDL Saukewa: MFCD00004353
Abubuwan Jiki da Sinadarai Matsayin narkewa 90-93 ° C
zafin jiki 265-267 ° C
Amfani Don haɓakar kwayoyin halitta, masana'antar harhada magunguna

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari 36/37/38 - Hannun 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 - Sanya tufafin kariya masu dacewa.
S24/25 - Guji hulɗa da fata da idanu.
WGK Jamus 3
RTECS Saukewa: AJ7569000
HS Code 29163900
Matsayin Hazard HAUSHI

 

Gabatarwa

Methylphenylacetic acid. Mai zuwa shine gabatarwa ga kaddarorin, amfani, hanyoyin shiri da bayanan aminci na p-totophenylacetic acid:

 

inganci:

- Bayyanar: Bayyanar gama gari na methylphenylacetic acid wani farin kristal ne mai ƙarfi.

- Solubility: Yana da ƙarancin narkewa a cikin ruwa amma yana iya zama mai narkewa a cikin mafi yawan abubuwan kaushi.

 

Amfani:

 

Hanya:

- Ana samun hanyar shiri na yau da kullun ta hanyar transesterification na toluene da sodium carbonate. P-toluene yana amsawa da barasa, irin su ethanol ko methanol, don samar da p-toluene, wanda aka yi da sodium carbonate don ba da methylphenylacetic acid.

 

Bayanin Tsaro:

- Methylphenylacetic acid yana da ƙarfi a cikin zafin jiki kuma yana iya lalacewa a ƙarƙashin yanayin zafi mai zafi, tushen wuta ko haske, yana haifar da abubuwa masu guba.

- Yakamata a dauki matakan da suka dace yayin sarrafa acid methamphenylacetic, kamar sanya rigar ido, safar hannu da kayan kariya. Ka guji shakar numfashi, ciki, ko tuntuɓar fata don guje wa rashin jin daɗi ko rauni.

- Methylphenylacetic acid ya kamata a adana shi daga ƙonewa, daɗaɗɗen abubuwa masu ƙarfi, da ƙarafa masu amsawa a cikin busasshen wuri mai isasshen iska.


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