Kini N-METHYL PYRROLIDONE(NMP)?

N-METHYL PYRROLIDONE(NMP), molikula agbekalẹ :C5H9NO, English：1-Methyl-2-pyrrolidinone, colorless to yellowish sihin omi, die-die amonia wònyí, miscible pẹlu omi ni eyikeyi o yẹ, tituka ni ethyl ether, acetone, ester, halogenated hydrocarbon, aromatic hydrocarbons ati awọn miiran Organic Organic. olomi, Fere gbogbo awọn olomi ni pipe Chemicalbook mix, farabale ojuami 204 ℃, filasi ojuami 91 ℃, hygmoscopic, kemikali iduroṣinṣin, ko si ipata si erogba, irin, aluminiomu, die-die ipata to Ejò.O ni awọn anfani ti viscosity kekere, iduroṣinṣin kemikali ti o dara ati iduroṣinṣin gbona, polarity giga, ailagbara kekere, ati aibikita ailopin pẹlu omi ati ọpọlọpọ awọn olomi Organic.Ọja yii jẹ oogun kekere, ifọkansi opin ti a gba laaye ninu afẹfẹ jẹ 100PPM.

Awọn ohun-ini ati iduroṣinṣin:

1. Omi ti ko ni awọ, adun amonia, majele kekere ti ọja yii.O le jẹ tiotuka pẹlu omi, tiotuka ninu ọpọlọpọ awọn olomi Organic gẹgẹbi ether ati acetone.O le tu pupọ julọ Organic ati awọn agbo ogun inorganic, awọn gaasi pola, adayeba ati awọn agbo ogun polima sintetiki.

2. Kemikali-ini: jo idurosinsin ni didoju ojutu.Lẹhin awọn wakati 8 ti 4% ti ojutu soda hydroxide, 50% ~ 70% ti hydrolysis waye.Hydrolysis waye ninu awọn ifọkansi ati ipilẹṣẹ 4-meth aminocyl acid.Nitori iṣesi ti ipilẹ kimbali, o le ṣe ina ketone tabi sulfurboline.

3. Ninu aye ti awọn olutọpa alkaline, o ni ipa ti olefin, ati pe iṣesi alkylated waye ni aaye kẹta.N-methylporide jẹ ipilẹ alailagbara ati pe o le ṣe ina hydrochloride iyo.Ti ṣe agbekalẹ iṣọpọ pẹlu iyọ irin ti o wuwo, gẹgẹbi alapapo pẹlu nickel bromide si 150 ℃, ti o npese NIBR2(C5H9ON) 3, ati aaye yo ti 105℃.

Ọna iṣelọpọ:O ti gba nipasẹ iṣesi lati γ-butthochroditettes ati methylemine.Igbesẹ akọkọ ti iṣesi naa ni lati ṣe ina 4-hydroxyl-N-methyl-base amine fun γ-butthlor ati methylide, ati pe igbesẹ keji ti gbẹ lẹhinna lati ṣe ina N-methylpidohone.Idahun meji-igbesẹ le ṣee ṣe ni ọna kan ninu riakito tube.Bọtini γ-butthole jẹ 1: 1.15, titẹ jẹ nipa 6MPa, ati iwọn otutu jẹ 250 ° C. Lẹhin ti iṣesi ti pari, ọja ti o pari ni a gba nipasẹ ifọkansi ati distillation decompression.Oṣuwọn owo-wiwọle jẹ 90%.Ti a ba ṣejade Kettle anti-ChemicalBook, iye methylmine jẹ awọn akoko 1.5-2.5 ni iye imọ-jinlẹ, ati igbaradi yàrá-yàrá bi apẹẹrẹ.Lara 500ml hydropower, 2mol γ-butterotone ati 4 Moore omi ti wa ni afikun lati wa ni pipade ati kikan ni pipade ni 280 ° C fun 4h.Lẹhin itutu agbaiye, tu kẹmika ti o pọ ju, distillation, gba awọn aaye distillation 201-202 ° C, gba nipa 180g ti awọn ọja, ati pe owo-wiwọle yoo jẹ nipa 90%.Lilo ohun elo aise (kg/g) γ-butthoboretin 980 methyline (40%) 860.

Ṣiṣẹ ati ibi ipamọ:

1. ọna ipamọ

Tọju labẹ gaasi inert ti o gbẹ, tọju apo eiyan naa, ki o tọju ni ibi tutu ati ki o gbẹ.

2. Awọn iṣọra iṣẹ

Yago fun ifihan: O nilo lati gba itọnisọna pataki ṣaaju lilo.Yago fun olubasọrọ pẹlu awọ ara ati oju.Yago fun ifasimu ti oru ati ẹfin.Maṣe sunmọ orisun ina.-Ko si Iruufin.Ṣe awọn igbese lati ṣe idiwọ ikojọpọ aimi.

3. Awọn iṣọra ipamọ

Nibẹ ni a itura ibi ipamọ.Jeki apoti ti o wa ni pipade ati tọju ni ibi gbigbẹ ati ti afẹfẹ.Apoti ti o ṣii gbọdọ wa ni edidi ni pẹkipẹki ki o tọju ipo inaro lati ṣe idiwọ jijo.Imukuro ti itọju inflatable jẹ ifarabalẹ si ọriniinitutu.

Iṣakojọpọ: 200KG / DRUM