Melamine CAS 108-78-1
Koodu ihe egwu | R43 - nwere ike ịkpata nghọta site na kọntaktị akpụkpọ ahụ R44 - Ihe ize ndụ nke mgbawa ma ọ bụrụ na ekpo ọkụ n'okpuru njide R20/21 - na-emerụ ahụ site na iku ume na kọntaktị na akpụkpọ ahụ. |
Nkọwapụta nchekwa | 36/37 - Yiri uwe nchebe kwesịrị ekwesị na uwe aka. |
NJ UN | 3263 |
WGK Germany | 1 |
RTECS | OS0700000 |
TSCA | Ee |
Koodu HS | 29336980 |
Otu nkwakọ ngwaahịa | III |
Nsi | LD50 ọnụ na oke bekee: 3161 mg / kg LD50 dermal oke bekee> 1000 mg / kg |
Okwu mmalite
Melamine (usoro kemịkalụ C3H6N6) bụ ngwakọta organic nke nwere njirimara na ojiji dị iche iche.
Ogo:
1. Njirimara anụ ahụ: Melamine bụ kristal na-enweghị ụcha siri ike nke nwere nnukwu agbaze na isi ihe.
2. Chemical Njirimara: Melamine bụ ihe siri ike nke na-adịghị mfe ire ere na ụlọ okpomọkụ. Ọ na-agbaze na mmiri na ụfọdụ ihe mgbaze organic dị ka methanol na acetic acid.
Jiri:
1. N'ime ụlọ ọrụ, a na-ejikarị melamine eme ihe dị ka ihe eji eme ihe maka resins sịntetik, dị ka acrylic fiber, phenolic plastics, wdg. Ọ nwere ezigbo okpomọkụ na nguzogide kemịkalụ.
2. A pụkwara iji melamine mee ihe dị ka ọkụ ọkụ, ihe eji esiji ákwà, pigmenti na ihe mgbakwunye akwụkwọ.
Usoro:
Nkwadebe nke melamine na-emekarị site na mmeghachi omume nke urea na formaldehyde. Urea na formaldehyde na-emeghachi omume n'okpuru ọnọdụ alkaline iji mepụta melamine na mmiri.
Ozi nchekwa:
1. Melamine nwere obere nsí ma nwee mmetụta dị nta na ụmụ mmadụ na gburugburu ebe obibi.
3. Mgbe ị na-eji ma na-echekwa melamine, zere kọntaktị na akpụkpọ ahụ na anya, ma yiri gloves nchebe na enyo anya ma ọ dị mkpa.
4. N'ebe mkpofu ahịhịa, ekwesịrị ịgbaso iwu na ụkpụrụ dị mkpa iji zere mmetọ gburugburu ebe obibi.