2 2'-Bis (trifluoromethyl) benzidine (CAS # 341-58-2)
| Risk Codes | R22 - Ua phem yog tias nqos R45 - Tej zaum yuav ua rau mob qog noj ntshav R50/53 - Muaj tshuaj lom heev rau cov kab mob hauv dej, tuaj yeem ua rau muaj kev cuam tshuam ntev hauv cov dej hauv dej. R36 - Khau qhov muag R25 - Toxic yog nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S22 - Tsis txhob nqus plua plav. S36/37/39 - Hnav cov khaub ncaws tiv thaiv tsim nyog, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag. S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg ua tau.) S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S37 - Hnav cov hnab looj tes tsim nyog. |
| UN IDs | 2811 ib |
| HS Code | 29215900 ib |
| Kev Ceeb Toom | Tshuaj lom |
| Hazard Class | IRRITANT-HARMFUL |
Taw qhia
2,2′-Bis (trifluoromethyl)-4,4′-diaminobiphenyl, tseem hu ua BTFMB, yog cov organic compound. Cov hauv qab no yog kev qhia txog nws cov khoom, kev siv, kev tsim khoom thiab cov ntaub ntawv kev nyab xeeb:
Zoo:
- Pom: Dawb crystalline hmoov
- Insoluble hauv dej, me ntsis soluble hauv ether thiab benzene, soluble hauv organic solvents xws li cawv
Siv:
- 2,2′-Bis (trifluoromethyl)-4,4′-diaminobiphenyl yog ib qho tseem ceeb ntawm cov organic nruab nrab, feem ntau yog siv rau hauv kev sib txuas ntawm cov khoom siv polymer thiab cov polymers.
- Nws tuaj yeem siv los npaj cov polymers nrog qhov kub thiab txias, zoo heev hluav taws xob thiab cov khoom siv kho tshuab, xws li polyimide, polyetherketone, thiab lwm yam.
- BTFMB tseem tuaj yeem siv los ua cov khoom siv raw rau catalysts, txheej additives, electrochemical cov ntaub ntawv, thiab lwm yam
Txoj kev:
- Lub synthesis ntawm 2,2'-bis (trifluoromethyl)-4,4'-diaminobiphenyl feem ntau mus los ntawm ntau cov tshuaj tiv thaiv
- Cov txheej txheem tshwj xeeb suav nrog hydroxymethylation ntawm methacrylonitrile nrog 4,4'-diaminobiphenyl kom tau txais cov khoom nruab nrab, ua raws li trifluoromethylation kom tau txais cov khoom lag luam.
Cov ntaub ntawv kev nyab xeeb:
- 2,2′-Bis (trifluoromethyl)-4,4′-diaminobiphenyl yog cov organic compound uas tej zaum yuav lom thiab khaus.
- Thaum siv thiab khaws cia, kev sib cuag nrog cov neeg muaj zog oxidizing thiab cov kua qaub muaj zog yuav tsum zam
- Thaum tuav thiab pov tseg cov pov tseg, ua raws li cov cai hauv zos thiab cov cai
