3,3′-Diaminobenzidine Cas: 91-95-2 98% Tawm-dawb rau xim av lossis xim av liab crystalline hmoov
| Catalog Number | xwm 90134 |
| Khoom npe | 3,3'-Diaminobenzidine |
| CAS | 91-95-2 : kuv |
| Molecular Formula | C12H14N4 |
| Molecular Luj | 214.27 Nws |
| Cov ntaub ntawv khaws cia | 2 txog 8 ° C |
| Harmonized tariff Code | 2921590090 ib |
Khoom Specification
| Catalog Number | xwm 90134 |
| Khoom npe | 3,3'-Diaminobenzidine |
| CAS | 91-95-2 : kuv |
| Molecular Formula | C12H14N4 |
| Molecular Luj | 214.27 Nws |
| Cov ntaub ntawv khaws cia | 2 txog 8 ° C |
| Harmonized tariff Code | 2921590090 ib |
Daim ntawv thov: 3,3'-diaminobenzidine tuaj yeem siv los ua cov organic synthesis nruab nrab thiab kws tshuaj nruab nrab,
Feem ntau siv: siv nyob rau hauv kev tshawb fawb thiab kev loj hlob ntawm lub chaw soj nstuam txheej txheem thiab tshuaj ntau lawm txheej txheem.Siv ua monomer rau kub resistant polymers
Cov txheej txheem ntau lawm: (1) 3,3'-dichlorobenzidine yog siv los ua cov khoom siv raw, thiab tau txais los ntawm reacting nrog ammonia nyob rau hauv qhov kev txiav txim ntawm tooj liab catalyst;(2) siv benzidine ua raw khoom, reacting nrog acetic acid los tsim biphenyl diacetamide, ces react nrog nitric acid los tsim 3,3'-dinitrobiphenyl diacetamide, uas yog hydrolyzed nyob rau hauv aqueous sulfuric acid los tsim 3,3'-dinitrobenzidine, uas Thaum kawg txo nrog sodium sulfide, los yog txo los ntawm catalytic hydrogenation.
