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ọja

N-Methylacetamide (CAS# 79-16-3)

Ohun-ini Kemikali:

Fọọmu Molecular C3H7NO
Molar Mass 73.09
iwuwo 0.957 g/ml ni 25°C (tan.)
Ojuami Iyo 26-28°C (tan.)
Ojuami Boling 204-206 °C (tan.)
Oju filaṣi 227°F
Omi Solubility tiotuka
Solubility Soluble ninu omi, ethanol, benzene, ether, chloroform, insoluble in Petroleum ether.
Vapor Presure 12-3680Pa ni 15-113 ℃
Ifarahan Kirisita funfun
Àwọ̀ Awọ Low-yo
BRN 1071255
pKa 16.61± 0.46 (Asọtẹlẹ)
PH 7 (H2O)
Ibi ipamọ Ipo Afẹfẹ inert,Iwọn otutu yara
Iduroṣinṣin Idurosinsin. Ijona. Ibamu pẹlu awọn aṣoju oxidizing lagbara.
Ni imọlara Ifarabalẹ si imọlẹ
ibẹjadi iye to 3.2-18.1% (V)
Atọka Refractive n20/D 1.433(tan.)
MDL MFCD00008683
Ti ara ati Kemikali Properties Awọn kirisita ti abẹrẹ funfun. Iyọ ojuami 30.55 ℃ (28 ℃), aaye farabale 206 ℃, 140.5 ℃(12kPa), iwuwo ojulumo 0.9571(25/4 ℃), atọka itusilẹ 1.4301, aaye filasi 108 ℃. Soluble ninu omi, ethanol, benzene, ether, chloroform, insoluble in Petroleum ether.
Lo Ti a lo bi epo, tun lo ninu oogun

Alaye ọja

ọja Tags

Awọn aami ewu T – Oloro
Awọn koodu ewu 61 - Le fa ipalara si ọmọ ti a ko bi
Apejuwe Abo S53 – Yago fun ifihan – gba awọn ilana pataki ṣaaju lilo.
S45 – Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.)
WGK Germany 2
RTECS AC5960000
TSCA Bẹẹni
HS koodu 29241900
Oloro LD50 ẹnu ninu eku: 5gm/kg

 

Ọrọ Iṣaaju

N-Methylacetamide jẹ agbo-ara Organic. O jẹ omi ti ko ni awọ ti o jẹ tiotuka ninu omi ati ọpọlọpọ awọn olomi Organic ni iwọn otutu yara.

 

N-methylacetamide jẹ lilo ni igbagbogbo ni iṣelọpọ Organic bi epo ati agbedemeji. N-methylacetamide tun le ṣee lo bi oluranlowo gbigbẹ, oluranlowo amoniating, ati activator acid carboxylic ni awọn aati iṣelọpọ Organic.

 

Igbaradi ti N-methylacetamide le ṣee gba ni gbogbogbo nipasẹ iṣesi ti acetic acid pẹlu methylamine. Igbesẹ kan pato ni lati fesi acetic acid pẹlu methylamine ni ipin molar ti 1: 1 labẹ awọn ipo ti o yẹ, ati lẹhinna distillation ati isọdọmọ lati gba ọja ibi-afẹde naa.

 

Alaye aabo: Omi ti N-methylacetamide le binu awọn oju ati atẹgun atẹgun, ati pe o ni ipa irritating kekere nigbati o ba kan si awọ ara. Nigbati o ba nlo tabi mimu, o yẹ ki o mu awọn igbese aabo ti ara ẹni, gẹgẹbi wọ awọn gilaasi aabo, awọn ibọwọ aabo, bbl N-methylacetamide tun jẹ majele si agbegbe, nitorinaa o jẹ dandan lati ni ibamu pẹlu awọn ofin aabo ayika ti o yẹ ati ki o san ifojusi si isọnu egbin to dara. Nigbati o ba nlo ati fifipamọ, awọn ilana ṣiṣe aabo ti o yẹ ati awọn itọnisọna iṣẹ gbọdọ wa ni atẹle.


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