He wai kala ʻole ka 3-Methylaniline (m-toluidine) e lilo i melemele a ʻulaʻula paha i ka lewa a i ʻole ma lalo o ka mana o ka mālamalama. Hoʻoheheʻe iki ʻia i ka wai, hoʻoheheʻe ʻia i ka ethanol a me ka ether. Hiki ke hoʻoheheʻe pū ʻia me ka mahu wai a hana ʻia e ka hopena hōʻemi o ka m-nitrotoluene. Hoʻohana nui ʻia ʻo 3-Methylaniline ma ke ʻano he waena synthesis lāʻau lapaʻau.

Nā noi
ʻO Methylaniline kekahi o nā amines ʻala maʻalahi loa a he waena synthesis organik i hoʻohana nui ʻia. Hoʻohana nui ʻia ia ma ke ʻano he waena synthesis organik no nā dyes, pesticides, lāʻau lapaʻau, a me nā mea ʻē aʻe. Chemicalbook. I kēia manawa, hoʻohana nui ka hana kūloko i ka nitrotoluene ma ke ʻano he mea maka, ethanol a i ʻole methanol ma ke ʻano he solvent, a me ka skeleton Ni ma ke ʻano he catalyst e hana i ka hydrogenation reaction e hoʻomākaukau i ka methylaniline.
Hoʻohana ke ʻano hana synthesis i ka nickel ma ke ʻano he mea hoʻoulu e hoʻoulu ai i ka hopena hydrogenation o ka m-nitrotoluene i loko o ka mea hoʻoheheʻe methanol ʻoihana e hana i ka m-toluidine. Ma o ka hoʻokolokolo kumu hoʻokahi a me nā hoʻokolohua orthogonal, me ka hoʻohana ʻana i ka 80g m-nitrotoluene ma ke ʻano he pae hoʻohālikelike helu a ma lalo o nā kūlana paʻa o ka mea hoʻoheheʻe methanol ʻoihana 200mL, ʻo nā kūlana hopena Chemicalbook kūpono loa: 2.0g mea hoʻoulu, 6h manawa hopena, a me ka mahana hopena. ʻO ka mahana he 90 ℃, a ʻo ke kaomi hopena he 1.6MPa. ʻO ka ʻike m-toluidine i loaʻa ma lalo o kēia mau kūlana he 99.79%, ʻo ka ʻike ʻāpana māmā he 0.11%, a ʻo ka ʻike ʻāpana kaumaha he 0.10%.
nā waiwai kemika
CAS Helu 108-44-1
ʻO ke ʻano molekole C7H9N
Kaumaha molekole 107.15
EINECS Helu 203-583-1
Kiko heheʻe -30°C
Ka paila ʻana 203-204°C (lit.)
Ka nui o ka paʻa 0.999g/mL ma 25°C (mālamalama ʻia)
Kaomi mahu 0.3hPa (20°C)
ʻIneki refractive n20/D1.567 (lit.)
Wahi uila 186°
Nā kūlana mālama E mālama ma lalo o +30°C.
Ka hiki ke hoʻoheheʻe ʻia 0.2g/100ml (20°C)
ʻAno paʻa a wai paha o ka kristal
Ka helu ʻakika (pKa) 4.73 (ma 25°C)
Kala Keʻokeʻo ʻAla (ʻAla)
ʻAla ʻala aniline

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