Melamine CAS 108-78-1
| Risk Codes | R43 - Tej zaum yuav ua rau mob ntawm daim tawv nqaij R44 - Kev pheej hmoo ntawm kev tawg yog tias cua sov hauv qhov chaw kaw R20/21 - Ua phem los ntawm kev nqus pa thiab sib cuag nrog daim tawv nqaij. |
| Kev nyab xeeb piav qhia | 36/37 - Hnav khaub ncaws tiv thaiv thiab hnab looj tes tsim nyog. |
| UN IDs | ib 3263 |
| WGK Germany | 1 |
| RTECS | OS 0700000 |
| TSCA | Yog lawm |
| HS Code | 29336980 ib |
| Packing Group | III |
| Toxicity | LD50 qhov ncauj hauv luav: 3161 mg/kg LD50 dermal Luav > 1000 mg/kg |
Taw qhia
Melamine (cov tshuaj formula C3H6N6) yog cov organic compound nrog ntau yam khoom thiab siv.
Zoo:
1. Lub cev muaj zog: Melamine yog cov xim tsis muaj xim crystalline nrog cov ntsiab lus siab melting thiab boiling.
2. Cov khoom siv tshuaj: Melamine yog ib qho chaw ruaj khov uas tsis yooj yim rau decompose ntawm chav tsev kub. Nws yog soluble hauv dej thiab qee cov kuab tshuaj organic xws li methanol thiab acetic acid.
Siv:
1. Hauv kev lag luam, melamine feem ntau yog siv los ua raw khoom rau cov khoom siv hluavtaws, xws li acrylic fiber, phenolic plastics, thiab lwm yam. Nws muaj cov cua kub zoo heev thiab tshuaj lom neeg.
2. Melamine kuj tseem siv tau los ua cov nplaim hluav taws, cov xim, cov xim thiab cov ntawv ntxiv.
Txoj kev:
Kev npaj ntawm melamine feem ntau yog ua los ntawm cov tshuaj tiv thaiv ntawm urea thiab formaldehyde. Urea thiab formaldehyde react nyob rau hauv alkaline tej yam kev mob los tsim melamine thiab dej.
Cov ntaub ntawv kev nyab xeeb:
1. Melamine muaj toxicity tsawg thiab tsis tshua muaj kev cuam tshuam rau tib neeg thiab ib puag ncig.
3. Thaum siv thiab khaws cia melamine, tsis txhob kov cov tawv nqaij thiab qhov muag, thiab hnav hnab looj tes tiv thaiv thiab tsom iav yog tias tsim nyog.
4. Hauv kev pov tseg pov tseg, cov kev cai lij choj thiab cov cai yuav tsum tau ua raws li kom tsis txhob muaj kuab paug ib puag ncig.
