Nā huahana
1,1,3,3-Tetramethylurea
Nā huaʻōlelo like: 1,1,3,3-tetramethylurea;tetramethylurea
Waiwai Kemika o 1,1,3,3-Tetramethylurea
● Ke ʻano/Ka waihoʻoluʻu: ʻAʻole kala ʻole i ka wai melemele ʻeleʻele
● Lae hehee:-1 °C(kukui)
● Hōʻike Hōʻikeʻike:n20/D 1.451(lit.)
● Lae paila:175.2 °C ma 760 mmHg
● PKA:2.0(ma 25 ℃)
● Lae Uila:53.9 °C
● PSA：23.55000
● Māmā:0.9879 g/cm3
● LogP:0.22960
● Pānaʻi Waihona: Waiho ma lalo o +30°C.
● Solubility.:H2O: 1 M ma 20 °C, hiki ke hoʻopili
● Hiki i ka wai.:mikiki
● XLogP3:0.2
● Ka helu o ka mea hāʻawi i ka hydrogen Bond:0
● Ka helu o ka mea hoʻokipa hydrogen:1
● Ka helu paʻa hiki ke hoʻololi:0
● Nuipa pololei:116.094963011
● Helu Atoma Kaumaha:8
● Paʻakikī:78.4
Maʻemaʻe/Maʻemaʻe
99% *ʻikepili mai nā mea hoʻolako maka
Tetramethylurea *ka ʻikepili mai nā mea hoʻolako reagent
ʻIke palekana
● Piktogram(s):
Xn
● Nā Code Hazard:Xn,T
● ʻŌlelo:22-61
● ʻŌlelo Palekana:53-45
Nā waihona MSDS
Pono
● Nā Papa Kemika: Nā Hui Nitrogen -> Nā Hui Urea
● Canonical SMILES:CN(C)C(=O)N(C)C
● Hoʻohana: Hoʻohana ʻia ʻo Tetramethylurea ma ke ʻano he solvent i nā ʻoihana dyestuff, i ka hopena condensation a me nā mea waena i ka surfactant.Hoʻohana ʻia ia no ka base catalyzed isomerization a me ka alkylation hydrocyanation ma muli o kona haʻahaʻa haʻahaʻa.Hoʻopili ia me ka oxalyl chloride e hoʻomākaukau i ka tetramethyl chloroformamidinium chloride, i hoʻohana ʻia no ka hoʻololi ʻana i nā waikawa carboxylic a me nā dialkyl phosphates i anhydride a me pyrophosphates.
ʻO 1,1,3,3-Tetramethylurea, ʻike ʻia hoʻi ʻo TMU a i ʻole N,N,N',N'-tetramethylurea, he pūhui kemika me ke ʻano molekala C6H14N2O.He paʻa crystalline i hiki ke hoʻoheheʻe ʻia i loko o ka wai a me nā mea hoʻoheheʻe polar ʻē aʻe. Hoʻohana nui ʻia ʻo TMU ma ke ʻano he mea hoʻoheheʻe a me ka reagent i nā hopena kemika.ʻO kona solubility kiʻekiʻe a me ka haʻahaʻa haʻahaʻa e lilo ia i mea hoʻoheheʻe i makemake ʻia i nā noi e like me nā kaʻina hana unuhi, catalysis, a ma ke ʻano he ʻano pane no ka synthesis organik.Hiki ke hoʻohana ʻia e hoʻoheheʻe i nā mea hoʻoheheʻe ʻia i emi ʻole i loko o nā mea hoʻonā.Hoʻohana maʻamau ia i ka peptide synthesis, metala-catalyzed reactions, a ma ke ʻano he ʻano hana i ka noiʻi lāʻau lapaʻau.
