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

Āhuatanga matū:

Tātai rāpoi C3H7NO
Molar Mass 73.09
Kiato 0.957 g/mL i te 25 °C (marama)
Te Whakarewa 26-28 °C (marama)
Piro Pouri 204-206 °C (marama)
Tohu Kohiko 227°F
Wairewa wai wairewa
Wairewa Ka whakarewahia ki te wai, te waihano, te benzene, te etera, te chloroform, kare e rewa i te hinu etere.
Kohu Kohu 12-3680Pa i te 15-113 ℃
Te ahua Kiriata ma
Tae Tae-Rewa-kore
BRN 1071255
pKa 16.61±0.46(I Matapaetia)
PH 7 (H2O)
Tikanga Rokiroki Te hau hau, Te Pamahana rūma
Te pumau Eu ana. Ka tahuna. He hotokore ki te kaha o te waiora.
Tairongo Te tairongo ki te marama
Tepe Pahū 3.2-18.1%(V)
Taurangi Refactive n20/D 1.433(marama)
MDL MCD00008683
Āhuatanga ā-tinana, matū hoki He kiripiri rite ki te ngira ma. Ira whakarewa 30.55 ℃(28 ℃), ira koropupū 206 ℃, 140.5 ℃(12kPa), kiato whanaunga 0.9571(25/4 ℃), taupū whakaata 1.4301, ira uira 108 ℃. Ka whakarewahia ki te wai, te waihano, te benzene, te etera, te chloroform, kare e rewa i te hinu etere.
Whakamahi Ka whakamahia hei whakarewa, ka whakamahia ano hoki i roto i te rongoa

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate T – Toxic
Waehere Morearea 61 – Ka kino pea te tamaiti kare i whanau
Whakaahuatanga Haumaru S53 – A ape i te rongo – whiwhi tohutohu motuhake i mua i te whakamahi.
S45 – Ki te puta he aitua, ki te kore ranei koe e pai, rapu wawe i nga tohutohu hauora (whakaatuhia te tapanga ina taea.)
WGK Tiamana 2
RTECS AC5960000
TSCA Ae
Waehere HS 29241900
Te paitini LD50 waha i te kiore: 5gm/kg

 

Kupu Whakataki

Ko te N-Methylacetamide he puhui pararopi. He wai karekau he wairewa ki te wai me te maha o nga whakarewa pararopi i te pāmahana rūma.

 

Ko te N-methylacetamide e whakamahia nuitia ana i roto i te whakahiato waro hei whakarewa me te takawaenga. Ka taea hoki te whakamahi i te N-methylacetamide hei kaihoko whakamaoritanga, hei kaiwhakaora haukini, me te kaiwhakaoho waikawa carboxylic i roto i nga tauhohenga whakahiato waro.

 

Ko te whakaritenga o te N-methylacetamide ka taea te whiwhi ma te tauhohenga o te waikawa acetic me te methylamine. Ko te mahi motuhake ko te tauhohe i te waikawa acetic me te methylamine i te ōwehenga molar o te 1:1 i raro i nga tikanga e tika ana, katahi ka whakamaarama me te purenga kia whiwhi ai i te hua kua whakaritea.

 

Nga korero mo te haumaru: Ka taea e te kohu o te N-methylacetamide te whakapataritari i nga kanohi me te waahanga manawa, me te pa ki te kiri. I te wa e whakamahi ana, e whakahaere ana ranei, me mahi nga tikanga tiaki whaiaro, penei i te mau karaehe whakamarumaru, nga karapu whakamarumaru, me etahi atu. Ko te N-methylacetamide he paitini ki te taiao, na reira me whai ki nga ture me nga ture tiaki taiao e tika ana me te aro te tuku tika i nga para. Ina whakamahi me te penapena, me whai nga tikanga whakahaere haumaru me nga aratohu whakahaere.


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