4-Dimethylaminopyridine DMAP CAS 1122-58-3 Mimo>99.0% (HPLC) Aworan Ti Afihan Iṣe-ṣiṣe Giga

4-Dimethylaminopyridine DMAP CAS 1122-58-3 Mimo> 99.0% (HPLC) Iṣeduro Imudara Giga

Apejuwe kukuru:

Orukọ Kemikali: 4-Dimethylaminopyridine

Awọn itumọ ọrọ sisọ:DMAP

CAS: 1122-58-3

Funfun tabi Pa-White Crystalline Powder

Mimọ:> 99.0% (HPLC)

Ayase Iṣiṣẹ Giga, Reagent Isopọpọ

Olubasọrọ: Dokita Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

Inquiry: alvin@ruifuchem.com

Fi imeeli ranṣẹ si wa

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Jẹmọ Products

ọja Tags

Apejuwe:

Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ti 4-Dimethylaminopyridine (DMAP) (CAS: 1122-58-3) pẹlu didara to gaju.Kemikali Ruifu le pese ifijiṣẹ agbaye, idiyele ifigagbaga, kekere ati awọn iwọn olopobobo ti o wa.Ra DMAP, Please contact: alvin@ruifuchem.com

Kemikali Properties:

Orukọ Kemikali	4-Dimethylaminopyridine
Awọn itumọ ọrọ sisọ	DMAP;4- (Dimethylamino) pyridine;N- (4-Pyridyl) dimethylamine;N, N-Dimethylpyridin-4-Amine;N, N-Dimethyl-4-Pyridinamine;gamma- (Dimethylamino) pyridine
Nọmba CAS	1122-58-3
Iṣura Ipo	Ninu Iṣura, Agbara iṣelọpọ 40 Toonu fun oṣu kan
Fọọmu Molecular	C7H10N2
Òṣuwọn Molikula	122.17
Ojuami Iyo	110.0 ~ 114.0 ℃
Ojuami farabale	190℃/150 mmHg
iwuwo	0.906 g/ml ni 25 ℃
Atọka Refractive	n20 / D 1.431
Solubility ni kẹmika	Turbidity Irẹwẹsi pupọ
Solubility ninu Omi	Tiotuka ninu Omi, 80 g/l 25℃
Solubility (Gan tiotuka ninu)	Chloroform, Benzene, Methanol, Acetone
COA & MSDS	Wa
Brand	Ruifu Kemikali

Awọn pato:

Nkan	Awọn pato
Ifarahan	Funfun tabi Pa-White Crystalline Powder
Mimọ / Analysis Ọna	> 99.0% (HPLC)
Ojuami Iyo	110.0 ~ 114.0 ℃
Insoluble Ninu Omi	<0.10%
Ọrinrin (KF)	<0.30%
Isonu Lori Gbigbe	<0.50% (Labẹ Igbale Fun Wakati 3 Ni 60ºC)
Aimọ Kanṣoṣo	<0.50%
Lapapọ Awọn Aimọ	<1.00%
Infurarẹẹdi julọ.Oniranran	Ni ibamu pẹlu Eto
1 H NMR julọ.Oniranran	Ni ibamu pẹlu Eto
Igbeyewo Standard	Standard Enterprise

Package & Ibi ipamọ:

Apo:Igo, apo apamọwọ Aluminiomu, 25kg / Paali Drum, tabi gẹgẹbi ibeere alabara.
Ipò Ìpamọ́:Fipamọ sinu awọn apoti edidi ni itura ati ki o gbẹ (≤10℃) ile-itaja kuro lati awọn nkan ti ko ni ibamu.Dabobo lati ina ati ọrinrin.
Gbigbe:Firanṣẹ si agbaye nipasẹ FedEx / DHL Express.Pese ifijiṣẹ yarayara ati igbẹkẹle.

Awọn anfani:

Agbara to to: Awọn ohun elo to ati awọn onimọ-ẹrọ

Iṣẹ Ọjọgbọn: Iṣẹ rira iduro kan

OEM Package: Aṣa package ati aami wa

Ifijiṣẹ Yara: Ti o ba wa laarin ọja iṣura, iṣeduro ifijiṣẹ ọjọ mẹta

Ipese Idurosinsin: Ṣetọju ọja iṣura ti o tọ

Atilẹyin imọ-ẹrọ: Ojutu imọ-ẹrọ wa

Iṣẹ Iṣọkan Aṣa: Larin lati giramu si kilos

Didara to gaju: Ṣeto eto idaniloju didara pipe

FAQ:

1122-58-3 - Ewu ati Aabo:

1122-58-3 - Ewu ati Aabo
Awọn koodu ewu
R25 - Majele ti o ba gbe
R34 - Okunfa Burns
R24/25 -
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R27 - Pupọ Majele ninu olubasọrọ pẹlu awọ ara
R36 - irritating si awọn oju
R24 - Majele ninu olubasọrọ pẹlu awọ ara
R20 - ipalara nipasẹ ifasimu
R61 - Le fa ipalara si awọn unborn ọmọ
R40 - Ẹri to lopin ti ipa carcinogenic
R23/24/25 - Majele nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R67-Vapors le fa drowsiness ati dizziness
R66-Ifihan leralera le fa gbigbẹ ara tabi fifọ
R21/22 - ipalara ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R11 - Gíga flammable
R36 / 37 - Irritating si oju ati eto atẹgun.
R22 - ipalara ti o ba gbe
R19 - Le dagba awọn ibẹjadi peroxides
Apejuwe Abo
S36/37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S45 - Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.)
S28A -
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S28 - Lẹhin olubasọrọ pẹlu awọ ara, wẹ lẹsẹkẹsẹ pẹlu ọpọlọpọ ọṣẹ-suds.
S36/37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
S53 - Yago fun ifihan - gba awọn ilana pataki ṣaaju lilo.
S27 - Mu gbogbo aṣọ ti o ti doti kuro lẹsẹkẹsẹ.
S22 - Maṣe simi eruku.
S16 - Jeki kuro lati awọn orisun ti iginisonu.
UN ID UN 2811 6.1/PG 2
WGK Germany 3
RTECS US8400000
TSCA T
HS koodu 2942000000
Akọsilẹ ewu Majele / Ibajẹ
Ewu Kilasi 8
Iṣakojọpọ Ẹgbẹ II
Majele LD50 ẹnu ni Ehoro: 140 mg/kg LD50 dermal Ehoro 90 mg/kg

Ohun elo:

4-Dimethylaminopyridine (DMAP) (CAS: 1122-58-3) jẹ ayase ṣiṣe ti o ga julọ ti o lo pupọ ni iṣelọpọ kemikali.O ni agbara katalitiki giga ni iṣelọpọ Organic, iṣelọpọ oogun, ipakokoropaeku, dai, iṣelọpọ oorun ti acylation, alkylation, etherification ati awọn iru iṣesi miiran, ati pe o ni ipa ti o han gedegbe lori imudara ikore.Acylation ti oti;Acylation ti phenols;Acylation ti amines;Acylation ti awọn enolates;Awọn aati ti isocyanates;Awọn ohun elo oriṣiriṣi;Gbigbe ti Awọn ẹgbẹ Iṣẹ.
DMAP, jẹ ayase acylation nucleophilic ti o ga julọ.Resonance ti ẹgbẹ dimethylamino ti n ṣe itọrẹ elekitironi ninu eto rẹ ati oruka obi (oruka pyridine) le mu atomiki nitrogen ṣiṣẹ ni agbara lori iwọn lati faragba aropo nucleophilic, eyiti o ṣe pataki ni agbara giga resistance, awọn ọti-lile kekere ati amines / acids Iṣẹ naa ti acylation / esterification lenu jẹ nipa 104 ~ 106 igba ti pyridine.Gbigbe Acyl jẹ iyipada ti o wọpọ ni iseda ati iṣelọpọ Organic, ninu eyiti chiral DMAP jẹ ayase gbigbe asymmetric ti o wọpọ.Lati ọdun 1996, ẹgbẹ Vedejs ati Fu ṣe ijabọ chiral aarin ati planar chiral DMAP catalysts lẹsẹsẹ, awọn ayase DMAP chiral ti ni idagbasoke pupọ.Orisirisi chiral aarin, planar chiral, spiro chiral ati aarin chiral DMAP ti jẹ ijabọ ọkan lẹhin miiran, ati pe a ti lo daradara ni ọpọlọpọ awọn aati gbigbe asymmetric acyl.
DMAP jẹ ayase nucleophilic ti o wapọ pupọ fun awọn aati acylation ati awọn esterifications.O tun jẹ oojọ ti ni ọpọlọpọ awọn iyipada Organic bi iṣe Baylis-Hillman, iṣesi Dakin-West, aabo ti amines, C-acylations, silylations, awọn ohun elo ni kemistri awọn ọja adayeba, ati ọpọlọpọ awọn miiran.
DMAP le ṣee lo bi ayase: Fun awọn acylation ti alcohols pẹlu acid anhydrides labẹ iranlọwọ mimọ- ati epo-ọfẹ awọn ipo lati synthesize awọn esters ti o baamu.Ninu iṣesi Baylis-Hillman lati ṣẹda iwe adehun erogba-erogba nipasẹ isọdọkan alkene ti a mu ṣiṣẹ pẹlu aldehyde tabi ketone.
Aṣeṣe ti o munadoko pupọ fun awọn aati acylation.