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Sunan samfur:Propylene glycol
Tsarin kwayoyin halitta:Saukewa: C3H8O2
CAS No:57-55-6
Tsarin kwayoyin halitta:
Abu | Naúrar | Daraja |
Tsafta | % | 99.5min |
Launi | APHA | 10 max |
Abubuwan Ruwa | % | 0.05 max |
Bayyanar | - | Ruwa mara launi mara launi, ƙarancin ƙamshi |
Propylene glycol a kimiyance ana kiransa da "1,2-propanediol", kuma yana da tsarin sinadarai na CH3CHOHCH2OH da nauyin kwayoyin halitta na 76.10. Akwai chiral carbon atom a cikin kwayoyin halitta. Abokin tserensa ruwa ne mai ɗanɗano mai ɗanɗano kuma yana ɗan yaji. Yana da takamaiman nauyi na 1.036 (25/4 °C), wurin daskarewa na-59 °C, da wurin tafasa na 188.2 °C, bi da bi 83.2 °C (1,333 Pa). Yana da haɗari da ruwa, acetone, ethyl acetate da chloroform, kuma yana narkewa a cikin ether. Yana narkewa a cikin mai da yawa masu mahimmanci, amma ba a haɗa shi da ether petroleum da man paraffin. Yana da ɗan kwanciyar hankali ga zafi da haske, kuma ya fi kwanciyar hankali a ƙananan yanayin zafi. L-isomer ɗin sa yana da wurin tafasa na 187 zuwa 189 °C da takamaiman jujjuyawar gani [α] na D20-15.0°. Yana iya zama oxidized a high zafin jiki zuwa propionaldehyde, lactic acid, pyruvic acid da acetic acid.
Propylene glycol diol ne wanda ke da yanayin gaba ɗaya na barasa. Yana iya amsawa tare da inorganic acid da Organic acid don samar da mono-ko di-esters. Yana amsawa tare da propylene oxide don samar da ether, tare da hydrogen halide don samar da halohydrin, kuma tare da acetaldehyde don samar da methyl dioxolane.
Ana amfani da propylene glycol don aikace-aikace iri ɗaya kamar sauran glycols.
Propylene glycol wani abu ne mai mahimmanci don polyester mara kyau, resin epoxy, da resin polyurethane. Adadin amfani a wannan yanki ya kai kusan kashi 45% na yawan amfani da propylene glycol. Irin wannan polyester mara kyau ana amfani dashi da yawa don ƙarfafa robobi da kayan shafa. Propylene glycol yana da kyau a cikin danko da hygroscopicity kuma ba mai guba ba ne, don haka ana amfani dashi sosai azaman wakili na hygroscopic, antifreeze, lubricants da kaushi a cikin abinci, magunguna da masana'antar kwaskwarima. A cikin masana'antar abinci, propylene glycol yana amsawa tare da fatty acid don ba da propylene ester na fatty acids, kuma ana amfani dashi galibi azaman emulsifier abinci; Propylene glycol ne mai kyau ƙarfi ga dadin dandano da pigments. Ana amfani da Propylene glycol a matsayin kaushi, softeners da excipients, da sauransu. Hakanan ana amfani da propylene glycol azaman mai narkewa da mai laushi don kayan kwalliya tunda yana da kyaun narkewar juna tare da kayan yaji iri-iri. Ana kuma amfani da Propylene glycol azaman abubuwan da ke damun taba, magungunan rigakafin fungal, kayan shafawa masu sarrafa kayan abinci da abubuwan kaushi don alamar abinci tawada. Maganin ruwa mai ruwa na propylene glycol shine ingantaccen maganin daskarewa.
Chemwin na iya samar da nau'ikan nau'ikan hydrocarbons da abubuwan kaushi na sinadarai don abokan cinikin masana'antu.Kafin wannan, da fatan za a karanta mahimman bayanai masu zuwa game da yin kasuwanci tare da mu:
1. Tsaro
Tsaro shine babban fifikonmu. Baya ga samar wa abokan ciniki bayanai game da aminci da amincin amfani da samfuran mu, mun kuma jajirce wajen tabbatar da cewa an rage haɗarin aminci na ma'aikata da 'yan kwangila zuwa mafi ƙanƙanta mai yuwuwa. Sabili da haka, muna buƙatar abokin ciniki don tabbatar da cewa an cika daidaitattun ƙa'idodin saukarwa da aminci na ajiya kafin isar da mu (da fatan za a koma zuwa ƙarin bayanin HSSE a cikin sharuɗɗan tallace-tallace na gaba ɗaya da ke ƙasa). Kwararrun mu na HSSE na iya ba da jagora akan waɗannan ƙa'idodi.
2. Hanyar bayarwa
Abokan ciniki na iya yin oda da isar da kayayyaki daga chemwin, ko kuma za su iya karɓar samfuran daga masana'antar masana'anta. Hanyoyin sufurin da ake da su sun haɗa da manyan motoci, jirgin ƙasa ko jigilar kayayyaki da yawa (sharuɗɗan daban sun shafi).
Game da buƙatun abokin ciniki, za mu iya ƙididdige buƙatun jiragen ruwa ko tankuna da amfani da ƙa'idodin aminci / bita na musamman da buƙatu.
3. Mafi ƙarancin tsari
Idan ka sayi samfura daga gidan yanar gizon mu, mafi ƙarancin tsari shine ton 30.
4.Biyan kuɗi
Daidaitaccen hanyar biyan kuɗi shine cirewa kai tsaye a cikin kwanaki 30 daga daftari.
5. Takardun bayarwa
Ana ba da waɗannan takaddun tare da kowace bayarwa:
Bill of Lading, CMR Waybill ko wasu takaddun jigilar kayayyaki masu dacewa
Takaddun Takaddun Bincike ko Daidaitawa (idan an buƙata)
Takaddun da ke da alaƙa da HSSE daidai da ƙa'idodi
Takaddun kwastam daidai da ka'idoji (idan an buƙata)