I-Feedstock yamakhemikhali e-High-Purity Meta-Xylene

I-High-Purity Meta-Xylene Chemical Feedstock Isithombe Esifakiwe

incazelo emfushane:

I-Xylene (evame ukubizwa ngokuthi i-dimethylbenzene) iyi-hydrocarbon enuka kamnandi ebalulekile kumakhemikhali ezimboni. Ihlanganisa ama-isomer amathathu (o-, m-, kanye ne-p-xylene), i-Xylene ethengiswayo ngokuvamile iyingxube eqinile, ebonakala njengoketshezi olungenambala, olusobala olunephunga elimnandi elihlukile.

Le Xylene eguquguqukayo isebenza kuqala njengesinyibilikisi esisebenza kahle kakhulu: incibilikisa ama-resins, ama-raber, kanye namadayi okumboza, ama-inki okunyathelisa, kanye nokuhlanza nge-elekthronikhi. Ngaphandle kwe-solvency, i-Xylene isebenza njengesitokwe esibalulekile—esicutshungulwa sibe yi-p-xylene (isandulela se-PET plastics) kanye namakhemikhali amahle ezindwangu kanye nokupakishwa.

Okuphawulekayo ukuthi i-Xylene iyasha, idinga umoya ofanele ngesikhathi sokuphathwa. Naphezu kwalezi zinyathelo zokuqapha, i-Xylene isalokhu iyisisekelo esisekela izintambo zokuhlinzeka ngamakhemikhali nezokukhiqiza zesimanje.

Sithumelele i-imeyili

Imininingwane Yomkhiqizo

Amathegi Omkhiqizo

Incazelo

Into	Amapharamitha Aqondile
Ifomula Yamamolekyuli	C₈H₁₀
Isisindo sama-molecule	106.17
Inombolo ye-CAS	1330-20-7 (ingxube); o-Xylene: 95-47-6; m-Xylene: 108-38-3; p-Xylene: 106-42-3
Ukubukeka kanye Nomlingiswa	Uketshezi olungabonakali olungenambala olunephunga elimnandi elihlukile; izinga lezimboni liyingxube yama-o/m/p-isomers
Indawo Yokuncibilika	-47.9℃ (o-Xylene) / -47.4℃ (m-Xylene) / 13.3℃ (p-Xylene)
Indawo Yokubilisa	144.4℃ (o-Xylene) / 139.1℃ (m-Xylene) / 138.4℃ (p-Xylene)
Ubuningi obuhlobene (amanzi = 1)	0.880 (o-Xylene, 20℃) / 0.864 (m-Xylene, 20℃) / 0.861 (p-Xylene, 20℃)
Ubuningi bomusi ohlobene (umoya = 1)	3.7 (ingxube)
Ukucindezela Komusi Ogcwele	1.3 kPa (25℃, m-Xylene); 0.8 kPa (25℃, p-Xylene)
Iphoyinti Elikhanyayo	25℃ (inkomishi evaliwe, ingxube)
Umkhawulo Wokuqhuma	1.0% ~ 7.0% (ingxenye yevolumu, umoya)
Ukuncibilika	Ayincibiliki emanzini; ingaxubana ne-ethanol, i-ether, i-acetone, i-benzene, njll.
Ukuthamba	0.6 mPa·s (20℃, ingxube)
Inkomba Yokubukeza	1.495 (o-Xylene, 20℃) / 1.497 (m-Xylene, 20℃) / 1.496 (p-Xylene, 20℃)
Izinga Lokushisa Elizenzakalelayo	464℃ (ingxube)
Inani le-pH (isisombululo esingu-1%)	Okungathathi hlangothi (6.5~7.5)

I-Xylene (CAS 1330-20-7) iyisithako esibalulekile se-petrochemical kanye ne-feedstock yamakhemikhali, equkethe ama-isomer amathathu (o-, m-, kanye ne-p-xylene) akha uketshezi oluzinzile, olungenambala olunephunga elimnandi elihlukile. Idunyiswa ngamandla ayo amahle kakhulu e-solvent kanye nokuhambisana kwezinto, isebenza njengento eyisisekelo eguquguqukayo ehlangabezana nezidingo eziqinile zokwakheka kwezimboni kanye nokuhlanganiswa.

Isetshenziswa kabanzi emikhakheni yomhlaba wonke, isebenza ngokuyinhloko njengesithako esisebenza kahle kakhulu sokufaka izinto, uyinki wokunyathelisa, kanye nokuhlanza izingxenye ze-elekthronikhi; futhi isebenza njengesithako esiyinhloko sokwenziwa kwe-p-phthalic acid (isandulela esiyinhloko samapulasitiki e-PET) kanye namakhemikhali amahle. Lezi zinto ezisetshenziswayo zisekela izimboni ezifaka phakathi ukupakisha, ukukhiqizwa kokufaka izinto zezimoto, ukukhiqizwa kwamadivayisi kagesi, ukucubungula izindwangu, kanye nokuhlobisa izakhiwo.

Umkhiqizo wethu we-xylene unikeza izinketho eziningi zebanga (izinga lezimboni kanye nezinga lobumsulwa obuphezulu) ukuze kuhambisane nezidingo zokukhiqiza ezahlukahlukene, okubandakanya ukulawulwa kwekhwalithi okuqinile ukuqinisekisa okuqukethwe okuphansi kokungcola kanye nokuqina/ukuzinza okuqhubekayo. Siqinisekisa ukunikezwa kwenqwaba okuthembekile, imibhalo ephelele yezimpahla eziyingozi (kufaka phakathi isitifiketi se-MSDS kanye ne-UN), kanye nezixazululo ze-logistics ezenzelwe wena zokuthuthwa koketshezi oluvuthayo. Ngaphezu kwalokho, ithimba lethu lobuchwepheshe lochwepheshe linikeza ukwesekwa komuntu siqu—njengesiqondiso sesimo sokugcina kanye nezincomo zokuhambisana kwe-solvent—ukwenza ngcono ukusebenza kahle kokukhiqiza kwakho kanye nokuphepha kokusebenza.

Imininingwane ye-Xylene

Into	Imininingwane
Ukubukeka	Uketshezi olubonakalayo, olungenazo izinto ezingcolisayo ezilengayo
I-Chromaticity/Hazen(Pt-Co) ≤	20
Ubuningi (20℃)/(kg/m2)	860~870
Indawo Yokuqala Yokubilisa / ℃ ≥	137
Indawo Eyomile / ℃ ≤	143
Ibanga Lokuhluzwa Eliphelele / ℃ ≤	5
Umbala Wokugeza Okune-Acid, g/L	Umbala awumnyama kunesisombululo esijwayelekile (0.5gK₂Cr₂O₇ ku-1000mL i-asidi encibilikisiwe)
Inani eliphelele lesibabule / (mg/kg) ≤	1
Insalela Yokuhwamuka / (mg/100mL) ≤	5
Ukugqwala Kwe-Copper Strip	Iphasi
Ukuhlolwa Kokungathathi hlangothi	Okungathathi hlangothi
Izinsalela zokuhwamuka/(mg/100mL) ≤	3
Ukuhlolwa kokungathathi hlangothi	ukungathathi hlangothi

Ukupakisha kwe-Xylene

Ku-180kg idrama yepulasitiki enetha noma idrama ye-IBC.

Indawo Yokugcina: Gcina endaweni yokugcina epholile, eyomile, enomoya; Gcina ihlukaniswe ngokuqinile nezinto ezikhipha i-oxidizing (isb. i-nitric acid, ama-peroxide), ama-acid aqinile, nama-halogen. Ungalokothi uhlanganise noma ugcine ndawonye.