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1 3-bis[3-(dimethylamino)propyl]urea(CAS# 52338-87-1)

Āhuatanga matū:

Tātai rāpoi C11H26N4O
Molar Mass 230.35
Kiato 0.962±0.06 g/cm3(Te Matapae)
Piro Pouri 377.8±27.0 °C(I Matapaetia)
Tohu Kohiko 182.3°C
Wairewa wai 10g/L i te 20 ℃
Kohu Kohu 4.799hPa i te 21.1 ℃
pKa 14.12±0.46(I Matapaetia)
Tikanga Rokiroki 2-8°C
Taurangi Refactive 1.477

Taipitopito Hua

Tohu Hua

 

Kupu Whakataki

Ko te 1,3-Bis [3-(dimethylamino)propyl]urea, e mohiotia ana ko DMTU, he puhui waro. E whai ake nei he kupu whakataki mo tona ahuatanga, te whakamahinga, nga tikanga whakangao me nga korero haumaru:

 

Kounga:

- Te ahua: Ko te DMTU he toka kowhai kowhai marama ranei.

- Wairewa: He pai te whakarewatanga o te DMTU i roto i nga whakarewa noa penei i te wai, te waipiro, me te etera.

- Pumautanga: Ko te DMTU he tino pumau i raro i nga tikanga matū noa.

 

Whakamahia:

- Urami-agent: Ko te DMTU he kaihoko ururalizing ka taea te whakamahi ki te whakahiato i te kapia urea, te muka spandex me te muka elastane spandex, me etahi atu.

- Nga mura ahi: Ka taea te whakamahi i te DMTU hei parenga mura halogen-kore i roto i nga taonga hangai penei i te polyamide resins, polyurethane resins, me te polyimides ki te whakapai ake i o raatau ahuatanga mura.

 

Tikanga:

- DMTU te nuinga tauhohe ki te dimethylamine ki 3-chloroacetone ki te hanga i te takawaenga, a ka tauhohe ki Urea ki te whiwhi i te hua whakamutunga.

 

Mōhiohio Haumaru:

- Ko te DMTU karekau i te whakarōpūtia i tenei wa he mea mate pukupuku, he taonga paitini ranei.

- I te wa e whakamahi ana, e whakahaere ana ranei i nga DMTU, me tupato ki te whai i nga tikanga whakahaere haumaru e tika ana, penei i te aukati i te ngongo, te pa atu ranei ki te kiri me nga kanohi, me te whakarite kia pai te hau o te waahi mahi.

- I te wa e penapena ana me te kawe, me karohia te whakapiri atu ki nga waikura me nga waikawa kaha kia kore ai e tauhohenga kino.


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