Wetin na di fizik ɛn kemikal prɔpati dɛm fɔ maleic anhydride?
2. 2.025-12-04
Maleic Anhydride Fizik ɛn kεmikכl prכpati dεm: We i de na rum tεmprachכ, i de sho lεk wayt granul, nidul, flek, rod, lכmp כ blכk, wit strכng iritashכn. Rilativ density: 1.48, ɛn 1.48; Di say we di wata de mɛlt: 52.8°C; Poynt fɔ bɔl: 202.2°C. Maleic Anhydrid kin sublaym bak pan rili lכw tεmprachכ (60-80°C). I kin sɔlv insay ɛtɛnol, ɛtɛr ɛn asɛtɔn; i de riak wit wata fכ fכm maleik asid. I kin bɔn, ɛn in vapour ɛn dɔst kin mek miksɔp we kin bɔn we dɛn miks am wit briz.
Prɔpati Ɛgzibit standad (GB-3676-92)
Aw i tan Wait flɛk, granul
Maleik Anhaydrid Puriti ≥99.5% .
Krystalayzeshɔn pɔynt ≥52.4°C
Kɔlɔ we de mɛlt ≤25Pt-Co
Ash kɔntinyu ≤0.005%
Ayɔn kɔntinyu ≤5ppm