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2,5-Dihydroxybenzoic acid(CAS#490-79-9)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C7H6O4
Molar Mass 154.12
Yawan yawa 1.3725
Matsayin narkewa 204-208 ° C (lit.)
Matsayin Boling 237.46°C
Wurin Flash 214°C
Ruwan Solubility mai narkewa
Solubility Mai narkewa a cikin methanol, ruwan acid
Tashin Turi 2.38E-07mmHg a 25°C
Bayyanar Farin foda ko crystal
Launi Fari zuwa haske m
Merck 14,4398
BRN 2209119
pKa 2.97 (a 25 ℃)
PH 3.21 (1 mM bayani); 2.56 (10 mM bayani); 2.01 (100 mM bayani)
Yanayin Ajiya Adana a ƙasa + 30 ° C.
M Mai hankali ga haske
Fihirisar Refractive 1.6400 (kimanta)
MDL Saukewa: MFCD00002460
Abubuwan Jiki da Sinadarai wurin narkewa 204-207 ° C
ruwa mai narkewa bayani
Amfani An yi amfani dashi azaman Matsakaicin magunguna

Cikakken Bayani

Tags samfurin

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 - Sanya tufafin kariya masu dacewa.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
WGK Jamus 3
RTECS Farashin 3850000
Farashin TSCA Ee
HS Code 29182990
Bayanin Hazard Mai cutarwa

 

Gabatarwa

2,5-Dihydroxybenzoic acid wani fili ne na kwayoyin halitta. Mai zuwa shine gabatarwa ga yanayinsa, amfaninsa, hanyar shiri da bayanin aminci:

 

inganci:

- Bayyanar: 2,5-dihydroxybenzoic acid shine farin crystalline foda.

- Solubility: Ana iya narkar da shi a cikin ruwa kuma a cikin abubuwan kaushi kamar ethanol da chloroform.

- pH: Yana da rauni acidic a cikin ruwa mafita.

 

Amfani:

- Chemical kira: 2,5-dihydroxybenzoic acid za a iya amfani da a matsayin albarkatun kasa don kwayoyin kira da kuma iya shiga cikin wani iri-iri na sinadaran halayen shirya wasu mahadi.

 

Hanya:

- Hanyar shirye-shiryen da aka saba amfani da ita shine haɗin 2,5-dihydroxybenzoic acid ta thermal acidolysis na phthalic acid.

 

Bayanin Tsaro:

- 2,5-Dihydroxybenzoic acid yana da ƙarancin lahani ga mutane da muhalli a ƙarƙashin yanayin aiki na yau da kullun.

- Yana iya zama mai ban haushi da lalata ga idanu da fata kuma ya kamata a guji lokacin da ake sarrafa su. Idan ana hulɗar haɗari, kurkura nan da nan da ruwa mai yawa.

- A lokacin ajiya, ya kamata a kula don kauce wa hulɗa da masu karfi mai karfi, zafi mai zafi, da kuma wuraren kunna wuta don rage haɗarin haɗari.


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