sauran

Kayayyaki

Propylene Glycol (PG) 99.5%, 99.9% USP Grade / CAS Lamba: 57-55-6

Takaitaccen Bayani:

Propylene glycol (sunan IUPAC: propane-1,2-diol) ruwa ne mai danko, marar launi, wanda kusan ba shi da wari amma yana da ɗanɗano mai daɗi. Tsarin sinadaransa shine CH3CH (OH) CH2OH. Ya ƙunshi ƙungiyoyin barasa guda biyu, an lasafta shi azaman diol. Yana da mirgine tare da faɗuwar abubuwan kaushi, gami da ruwa, acetone, da chloroform. Gabaɗaya, glycols ba su da haushi kuma suna da ƙarancin ƙarfi.


Cikakken Bayani

Tags samfurin

Bayanin Samfura

An samar da shi a kan babban sikelin da farko don samar da polymers. A cikin Tarayyar Turai, yana da E-lamba E1520 don aikace-aikacen abinci. Domin kayan shafawa da kuma pharmacology, lambar ita ce E490. Propylene glycol kuma yana cikin propylene glycol alginate, wanda aka sani da E405. Propylene glycol wani fili ne wanda shine GRAS (wanda aka gane shi da aminci) ta Hukumar Abinci da Magunguna ta Amurka ƙarƙashin 21 CFR x184.1666, kuma FDA ta amince da shi don wasu amfani azaman ƙari na abinci kai tsaye. An yarda da Propylene glycol kuma an yi amfani da shi azaman abin hawa don yanayin sama, na baka, da wasu shirye-shiryen magunguna na cikin jijiya a cikin Amurka da Turai.

Kayayyaki

Formula Saukewa: C3H8O2
CAS NO 57-55-6
bayyanar mara launi, m, ruwa mai danko
yawa 1.0± 0.1 g/cm3
wurin tafasa 184.8± 8.0 °C a 760 mmHg
filashi(ing). 107.2±0.0 °C
marufi drum/ISO Tank
Adana Ajiye a wuri mai sanyi, mai iska, busasshiyar wuri, keɓe daga tushen wuta, kaya da jigilar kaya yakamata a adana su daidai da tanadin sinadarai masu ƙonewa.

*Ma'auni don tunani ne kawai. Don cikakkun bayanai, koma zuwa COA

Aikace-aikace

Ana amfani da shi sau da yawa azaman mai haɓakawa a cikin shirye-shiryen magunguna da yawa don haɓaka solubility da kwanciyar hankali na miyagun ƙwayoyi.

A cikin magungunan magunguna, ana amfani da MEA da farko don buffering ko shirye-shiryen emulsion. Ana iya amfani da MEA azaman mai sarrafa pH a cikin kayan kwalliya.

Sclerosant ne mai allura a matsayin zaɓi na maganin basur. 2-5 ml na ethanolamine oleate za a iya allura a cikin mucosa kusa da basur don haifar da ulcers da gyaran fuska don hana basur sauka daga magudanar tsuliya.

Hakanan sinadari ne a cikin tsabtace ruwa don gilashin mota.

Amfani

Ana kiran fili wani lokaci (alpha) α-propylene glycol don bambanta shi daga isomer propane-1,3-diol, wanda aka sani da (beta) β-propylene glycol. Propylene glycol yana da tasiri. Hanyoyin kasuwanci yawanci suna amfani da abokin tsere. Ana samar da S-isomer ta hanyoyin fasahar kere-kere.

1,2-Propanediol ne mai muhimmanci albarkatun kasa don unsaturated polyester, epoxy guduro, polyurethane guduro, plasticizer, da surfactant. Adadin da aka yi amfani da shi a wannan yanki ya kai kusan kashi 45% na yawan amfani da propylene glycol. An yi amfani da shi sosai a cikin kayan shafa da kuma ƙarfafa robobi. 1,2-propanediol yana da kyau danko da hygroscopicity, kuma ana amfani da ko'ina a matsayin hygroscopic wakili, antifreeze wakili, mai mai da sauran ƙarfi a cikin abinci, Pharmaceutical da kwaskwarima masana'antu. A cikin masana'antar abinci, 1,2-propanediol yana amsawa tare da fatty acid don samar da esters na propylene glycol fatty acid, waɗanda galibi ana amfani da su azaman emulsifiers abinci; 1,2-propanediol ne mai kyau ƙarfi ƙarfi ga seasonings da pigments. Saboda ƙarancin ƙarancinsa, ana amfani da shi azaman kaushi don kayan yaji da canza launin abinci a cikin masana'antar abinci. 1,,2-Propanediol ana yawan amfani dashi azaman mai narkewa, mai laushi da haɓakawa a cikin kera nau'ikan man shafawa da man shafawa a cikin masana'antar harhada magunguna, kuma azaman sauran ƙarfi don haɗakar da wakilai, masu kiyayewa, man shafawa, bitamin, penicillin, da sauransu a cikin kantin magani. masana'antu . Saboda propylene glycol yana da rashin daidaituwa mai kyau tare da kayan yaji daban-daban, ana amfani da shi azaman mai narkewa da taushi don kayan shafawa. 1,2-Propanediol kuma ana amfani dashi azaman moisturizer na taba, wakili na antifungal, kayan aikin kayan abinci mai mai da sauran ƙarfi don tawada alamar abinci. Maganin ruwa mai ruwa na 1,2-propanediol sune magungunan antifreeze masu tasiri. Hakanan ana amfani da shi azaman wakili na jika ta taba, wakili na rigakafin fungal, kayan adana 'ya'yan itace ripening, maganin daskarewa da mai ɗaukar zafi, da sauransu.


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