Fumaric acid CAS 110-17-8
Akara egwu | Xi - mgbakasị ahụ |
Koodu ihe egwu | 36 - na-akpasu iwe na anya |
Nkọwapụta nchekwa | 26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike. |
NJ UN | UN 9126 |
WGK Germany | 1 |
RTECS | LS9625000 |
TSCA | Ee |
Koodu HS | 29171900 |
Nsi | LD50 ọnụ na oke bekee: 9300 mg / kg LD50 dermal oke bekee 20000 mg / kg |
Okwu mmalite
Fumaric acid. Ihe na-esonụ bụ mmalite nke akụrụngwa, ojiji, ụzọ nkwadebe na ozi nchekwa nke transbutalic acid:
Ogo:
- Transbutadiic acid bụ kristal na-enweghị agba ma ọ bụ nke siri ike na-acha ọcha nke nwere uto utoojoo.
- Ọ bụ soluble na mmiri na ọtụtụ organic solvents dị ka alcohols na ethers.
- N'ebe okpomọkụ dị elu, transbutylic acid na-akụda iji mepụta carbon dioxide na acetone.
Jiri:
- A na-eji ya eme ihe n'ọtụtụ ebe na nkwadebe nke resins polyester maka imepụta ngwaahịa dịka mkpuchi, plastik, na eriri.
Usoro:
- Enwere ike nweta transbutenedic acid site na mmeghachi omume nke butene brominated na sodium carbonate. Usoro njikọ a kapịrị ọnụ gụnyere ọtụtụ usoro, gụnyere nkwadebe nke butene, mmeghachi omume bromination, na alkaline hydrolysis.
Ozi nchekwa:
- Transbutadiic acid bụ ihe na-akpasu iwe nke nwere ike ime ka mgbakasị ahụ na ọkụ na kọntaktị na akpụkpọ ahụ na anya.
- Yiri akụrụngwa nchebe kwesịrị ekwesị dị ka uwe aka, ugogbe anya, na uwe nchebe mgbe a na-ejikwa ya.
- Zere ikuru uzuzu ya ma ọ bụ vapors ma rụọ ọrụ na mpaghara ikuku nke ọma.
- Ekwesịrị ịgbaso iwu mpaghara na usoro ọrụ nchekwa mgbe ị na-echekwa ma na-ejikwa ogige ahụ.