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Palmitic acid (CAS#57-10-3)

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C16H32O2
Molar Mass 256.42
Yawan yawa 0.852g/mLat 25°C(lit.)
Matsayin narkewa 61-62.5°C (lit.)
Matsayin Boling 351.5 °C
Wurin Flash >230°F
Lambar JECFA 115
Ruwan Solubility marar narkewa
Solubility Rashin narkewa a cikin ruwa, wanda ba a iya narkewa a cikin ethanol mai sanyi, mai narkewa a cikin zafi ethanol, ether, acetone, chloroform, man fetur ether.
Tashin Turi 10 mm Hg (210 ° C)
Bayyanar crystallizer a cikin ethanol shine farin crystalline waxy m (farin pearly phosphorus sheet)
Launi Fari ko kusan fari
Merck 14,6996
BRN 607489
pKa 4.78± 0.10 (An annabta)
Yanayin Ajiya dakin zafi
Kwanciyar hankali Barga. Mai ƙonewa. Rashin jituwa tare da tushe, oxidizing jamiái, rage wakilai.
M Sauƙaƙe ɗaukar danshi
Fihirisar Refractive 1.4273
MDL Saukewa: MFCD00002747
Abubuwan Jiki da Sinadarai Halayen farar fata tare da phosphorus pearlescent.melting point 63.1 ℃

ruwan zafi 351.5 ℃

girman dangi 0.8388

solubility maras narkewa a cikin ruwa, dan kadan mai narkewa a cikin ether mai, mai narkewa a cikin ethanol. Mai narkewa a cikin ether, chloroform da acetic acid.

Amfani An yi amfani da shi azaman hazo, reagent sinadarai da wakili mai hana ruwa

Cikakken Bayani

Tags samfurin

Alamomin haɗari Xi - Haushi
Lambobin haɗari R36 - Haushi da idanu
R36 / 38 - Iriting ga idanu da fata.
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.
S37/39 - Sanya safofin hannu masu dacewa da kariya / ido
S36 - Sanya tufafin kariya masu dacewa.
WGK Jamus -
RTECS RT455000
Farashin TSCA Ee
HS Code 29157015
Guba LD50 iv a cikin mice: 57± 3.4 mg/kg (Ko, Wretlind)

 

Gabatarwa

Tasirin Pharmacological: Anfi amfani dashi azaman surfactant. Lokacin amfani dashi azaman nau'in nau'in ion, ana iya amfani dashi don polyoxyethylene sorbitan monopalmitate da sorbitan monopalmitate. Na farko an yi shi a matsayin emulsifier na lipophilic Kuma ana amfani dashi a cikin dukkan kayan shafawa da magunguna, na karshen ana iya amfani da shi azaman emulsifier don kayan kwalliya, magunguna, da abinci, mai watsawa ga tawada mai launi, da kuma azaman lalata; idan aka yi amfani da shi azaman nau'in anion, ana yin shi cikin sodium palmitate kuma ana amfani dashi azaman ɗanyen abu don sabulun fatty acid, emulsifier filastik, da sauransu; zinc palmitate ana amfani dashi azaman stabilizer don kayan shafawa da robobi; baya ga yin amfani da shi azaman surfactant, ana kuma amfani dashi azaman albarkatun ƙasa don isopropyl palmitate, methyl ester, butyl ester, amine fili, chloride, da sauransu; daga cikin su, isopropyl palmitate shine kayan kayan kwaskwarima na zamani na man fetur, wanda za'a iya amfani dashi don yin lipstick, creams daban-daban, man gashi, gashin gashi, da dai sauransu; wasu irin su methyl palmitate za a iya amfani da su azaman lubricating man additives, surfactant raw kayan; PVC zamewa jamiái, da dai sauransu; albarkatun kasa don kyandir, sabulu, maiko, kayan aikin roba, masu laushi, da sauransu; ana amfani da su azaman kayan yaji, kayan kamshi ne masu cin ganyayyaki waɗanda dokokin GB2760-1996 suka yarda a ƙasata; kuma ana amfani dashi azaman defoamers abinci.


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