Inoa Kimia:1,3-Dimethylurea
ʻAno Molekala:C3H8N2O
Kaumaha Molekala:88.11
Kapili:
Helu CAS: 96-31-1
Hōʻike
ʻAno: Keʻokeʻo Paʻa
ʻIke (HPLC):95.0% min
Ka Mahana hehee: 102°C min N-methyluren(HPLC) 1.0% ka nui
Wai: 0.5% ka nui
ʻO nā lāʻau lapaʻau, hoʻohana pū ʻia i ka hana ʻana o ka fiber treatment agent.It ua hoʻohana ʻia i ka lāʻau lapaʻau e synthesize theophylline, caffeine a me nificaran hydrochloride.
(1) lawe ʻia ke kinoea methylamine i loko o ka urea hoʻoheheʻe ʻia, a hoʻopaʻa ʻia ke kinoea amonia i hoʻokuʻu ʻia. Ma hope o ka maʻalili ʻana o ka huahana, lawe ʻia a hana hou ʻia.
(2) Ua hoʻomākaukau ʻia ka carbon dioxide e ke kinoea-solid catalytic reaction me ka monomethylamine.
(3) ka hopena o ka methyl isocyanate me kahi methylamine.
Pūʻolo a me ka waiho ʻana
Hoʻopili ʻia me ka ʻeke 25kg, a i ʻole E mālama wale ʻia i loko o ka pahu kumu ma kahi ʻoluʻolu maikaʻi. E mālama i nā mea like ʻole. Pono e akahele nā pahu i wehe ʻiahoʻopaʻa ʻia a hoʻopaʻa ʻia i luna no ka pale ʻana i ka leakage. Hōʻalo i nā manawa mālama lōʻihi.
Nā memo
ʻO ka ʻike huahana wale nō no ka ʻike, noiʻi a me ka ʻike. ʻAʻole mākou e lawe i ke kuleana a i ʻole ka paio patent.
Inā he nīnau kāu ma ka ʻenehana a hoʻohana paha, e ʻoluʻolu e kelepona mai iā mākou i ka manawa.