4,4′-DIAMINOBIPHENYL-2,2′-DICARBOXYLIC ACID cas:17557-76-5
Yedu 4,4'-diaminobiphenyl-2,2'-dicarboxylic acid inogadzirwa zvine hungwaru kuti ive nechokwadi chepamusoro chekuchena uye mhando.Batch yega yega inoedzwa kwakasimba uye kuongororwa kuti ienderane nezviyero zvepasirese.Isu tinodada nekuendesa chigadzirwa chinodarika zvinotarisirwa nevatengi uye chinosangana nezvinodiwa nemaindasitiri akasiyana.
Mirayiridzo yekuchengetedza uye kubata:
- Dzivisa zvakananga ganda kubata uye inhalation yeguruva kana mhute.Midziyo yekudzivirira yakakodzera inofanirwa kupfekwa pakubata iyi komputa.
- Chengetedza munzvimbo inotonhorera, yakaoma kure nechiedza chezuva uye zvinhu zvisingaenderane.
- Tevera nzira dzakakodzera dzekurasa zvinoenderana nemitemo yenzvimbo.
Tsanangudzo:
Chitarisiko | Whiteupfu | Conform |
Kuchena(%) | ≥99.0 | 99.8 |
Kurasikirwa pakuomeswa (%) | ≤0.5 | 0.14 |
Nyora meseji yako pano uye titumire kwatiri