SVHC
Na Ọktọba 10, 2024, European Chemicals Agency (ECHA) kwupụtara ihe ọhụrụ SVHC nke mmasị, "Reactive Brown 51". Ndị Sweden tụpụtara ihe a ma nọ ugbu a na nhazi nke ịkwadebe faịlụ ihe dị mkpa site n'aka onye na-akwado ya. A na-atụ anya ịnyefe faịlụ ndị ahụ wee malite nyocha ọha ụbọchị 45 tupu February 3, 2025. Ọ bụrụ na akwadoro nzaghachi ahụ, a ga-agbakwunye ya n'ihu ọha na ndepụta ndị SVHC.
Ozi zuru ezu nke ihe a:
● Aha ihe:
tetra (sodium/potassium)7-[(E)-{2-acetamido-4-[(E)-(4-{[4-chloro-6-{2-[(4-fluoro-6-{[) 4- (vinylsulfonyl) phenyl] amino}-1,3,5-triazine-2-yl)amino]propyl}amino) -1,3,5-triazine-2-yl]amino}-5-sulfonato-1- naphthyl) diazenyl]-5-methoxyphenyl}diazenyl]-1,3,6-naphthalenetrisulfonate(Reactive Brown 51)
●CAS Mba:-
●EC Nọmba: 466-490-7
Ojiji enwere ike: Ngwaahịa nhazi akwa na akwa.
Ka ọ dị ugbu a, ọnụọgụ REACH SVHC eburu n'uche abawanyela ruo 7, dị ka achịkọtara na tebụl dị n'okpuru:
| Aha ihe | CAS Mba. | EC Mba. | Ụbọchị ntinye faịlụ a tụrụ anya ya | Nyefere | Ihe kpatara atụmatụ |
| Hexamethyldisiloxane | 107-46-0 | 203-492-7 | 2025/2/3 | Norway | PBT (Ikeji 57d) |
| Dodecamethylpentasiloxane | 141-63-9 | 205-492-2 | 2025/2/3 | Norway | vPvB (Ikeji 57e) |
| Decamethyltetrasiloxane | 141-62-8 | 205-491-7 | 2025/2/3 | Norway | vPvB (Ikeji 57e) |
| 1,1,1,3,5,5,5-heptamethyltrisiloxane1,1,1,3,5,5,5- | 1873-88-7 | 217-496-1 | 2025/2/3 | Norway | vPvB (Ikeji 57e) |
| 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl) oxy] trisiloxane1,1,1,3,5,5,5- | 17928-28-8 | 241-867-7 | 2025/2/3 | Norway | vPvB (Ikeji 57e) |
| Barium chromate | 10294-40-3 | 233-660-5 | 2025/2/3 | Holland | Carcinogenic (Ikeji 57a) |
| tetra (sodium/potassium)7-[(E)-{2-acetamido-4-[(E)-(4-{[4-chloro-6-{2-[(4-fluoro-6-{[) 4- (vinylsulfonyl) phenyl] amino}-1,3,5-triazine-2-yl)amino]propyl}amino) -1,3,5-triazine-2-yl]amino}-5-sulfonato-1- naphthyl) diazenyl]-5-methoxyphenyl}diazenyl]-1,3,6-naphthalenetrisulfonate(Reactive Brown 51) | - | 466-490-7 | 2025/2/3 | Sweden | Ihe na-egbu egbu maka omumu (Ikeji 57c) |
Ka ọ dị ugbu a, enwere ihe gọọmentị 241 dị na ndepụta ndị ntuli aka SVHC, 8 enyochagoro ọhụrụ na ihe atụpụtara, yana ihe 7 ezubere, na-achịkọta ihe 256. Iwu REACH chọrọ ka SVHC mezue ọrụ ngosi dị mkpa n'ime ọnwa 6 ka etinyere ya na listi ndị chọrọ ntuli aka. BTF na-atụ aro na ụlọ ọrụ niile kwesịrị ọ bụghị naanị ịṅa ntị na ndepụta nke ihe ndị na-eme ntuli aka SVHC, kamakwa ngwa ngwa lebara ihe egwu dị na ihe nyocha na ihe echere na nyocha na mmepe, ịzụ ahịa na usoro ndị ọzọ. Ha kwesịrị ịzụlite atụmatụ nzaghachi tupu oge eruo iji hụ na njedebe ikpeazụ nke ngwaahịa ha.
Njikọ ederede izizi usoro iwu: https://echa.europa.eu/registry-of-svhc-intentions
Ụlọ nyocha BTF, ụlọ ọrụ anyị nwere ụlọ nyocha ndakọrịta electromagnetic, ụkpụrụ nchekwa ụlọ nyocha, ụlọ nyocha redio ikuku ikuku, ụlọ nyocha batrị, ụlọ nyocha kemịkalụ, SAR Laboratory, HAC Laboratory, wdg. Anyị enwetala iru eru na ikike dị ka CMA, CNAS, CPSC, A2LA. VCCI, wdg Anyị ụlọ ọrụ nwere ahụmahụ na ọkachamara teknuzu engineering otu, nke nwere ike inyere ụlọ ọrụ dozie nsogbu ahụ. Ọ bụrụ na ị nwere mkpa ule na asambodo dị mkpa, ị nwere ike ịkpọtụrụ ndị ọrụ nnwale ozugbo iji nweta nkwuputa ọnụ ahịa na ozi okirikiri!
Nweta SVHC
Oge nzipu: Ọktoba 17-2024
