1,8-Diazabicyclo[5.4.0]undec-7-ene CAS 6674-22-2

E pa ana enei ki nga korero 1,8-Diazabicyclo[5.4.0]undec-7-ene CAS 6674-22-2, ka taea e koe te ako mo nga korero whakahou i roto i te 1,8-Diazabicyclo[5.4.0]undec- 7-ene CAS 6674-22-2. Ka taea e koe te okioki ki te hoko 1,8-Diazabicyclo [5.4.0] undec-7-ene CAS 6674-22-2 mai i a maatau. Shandong Whakapono

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS 6674-22-2 Whakatakotoranga matū

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS 6674-22-2 Āhuatanga Matū

Ira whakarewa -70 ° C
Ira kohua 80-83 ° c0.6mmhg (marama)
Kiato 1.019g/mlat20 ° C (marama)
Te pehanga kohu 5.3mmhg (37.7 ° C)
Taupū mataaro n20/d1.523
Ira hiko
Te ahua rokiroki: rokiroki i raro i te 30 ° C
Wairewa
Puka wai
Te whakarea waikawa (PKA) 13.28 ± 0.20 (matapae)
Te tae marama kore tae ki te kowhai marama
Te kakara kino
PH uara 12.8 (10g/l, H2O, 20 )

1,8-Diazabicyclo[5.4.0]undec-7-ene CAS 6674-22-2 Taupānga

He whakakorikori tenei hua ki te hanga i te polyurethane me etahi atu matū, penei i te haukini me te dichloroethane tauhohe i tona aroaro ki te whakaputa piperazine. He tino pai te kaihoko whakamaoritanga, he whakamaroke kapia epoxy, he aukati waikura, ka taea hoki te whakamahi hei whakarite i te aukati waikura matatau. I tenei wa, e whakamahia nuitia ana i roto i te hanga cephalosporin semi synthetic antibiotic. Ka whakamahia hoki i roto i nga tauhohenga waihanga pararopi me nga patu paturopi haurua.

Whakamahia te 1, 8-diazabicycloundecano-7-ene (DBU) hei whakakorikori mo te hanga o te polyurethane me etahi atu matū, penei i te ammonia me te dichloroethane tauhohe i tona aroaro ki te whakaputa piperazine. He tino pai te kaihoko whakamaoritanga, he whakamaroke kapia epoxy, he aukati waikura, ka taea te whakamahi hei whakarite i te aukati waikura matatau.

Kei te whakamahia nuitia i roto i te hanga o te cephalosporin semi synthetic antibiotic. Resin curing accelerator, ina koa mo te kapia hiri o waho o nga waahanga hiko me nga waahanga hiko; Te tauhohenga whakaheke, te dimerization me te trimer dehalogenation tauhohenga; Te waikawa desulfonic me te tauhohenga waikawa nitric i roto i te tukanga polymerization.

Whakamahia: te turanga amidine mo te whakaheke me te tauhohenga hauhautanga ki te hanga i te korefins; Ko nga tono nui ake ko: te whakamaaramatanga o nga waikawa warowairaka me nga hauwaro alkyl; Ko te alkylation me te acylation o nga pūhui methylene kaha e whakamahia ana ki te hanga i nga raau taero antibiotic semi-synthetic cephalosporin, tae atu ki te whakarite i nga kaihoko deacidifying, aukati waikura, aukati waikura matatau, etc