Kūwaena
-
Tris(hydroxymethyl) Methyl Aminomethane THAM
Hoʻohana nui ʻia i nā intermediates pharmaceutical a me nā reagents biochemical.ʻO ka waena o ka fosfomycin, hoʻohana pū ʻia e like me ka vulcanization accelerator, cosmetics (cream, lotion), mineral aila, paraffin emulsifier, biological buffer, biological buffer Agent.
-
M-Phthalaldehyde
Hoʻohana ʻia ʻo M-phthalaldehyde i nā kikowaena lāʻau lapaʻau, nā kukui fluorescent, etc.
-
1,4-Naphthalene Dicarboxylic Acid
ʻO ka 1-methyl-4-acetylnaphthalene a me ka potassium dichromate i hoʻopaʻa ʻia no 18h ma 200-300 ℃ a ma kahi o 4MPa;Hiki ke kiʻi ʻia ka 1,4-dimethylnaphthalene ma o ka hoʻohemo ʻana o ka wai ma 120 ℃ a ma kahi o 3kpa me ka cobalt manganese bromide ma ke ʻano he catalyst.
-
2,5-Thiophenedicarboxylic Acid
Ua hui pū ʻia ka ʻakika Adipic a me ka thionyl chloride i ka ratio paona o 1: (6-10) a refluxed no 20-60 h i mua o ka pyridine catalyst.Ua evaporated ka'ūheheʻe a me ke koena ua wela ma 140-160 ℃ no 3-7 H. Thiophene-2,5-dicarboxylic waika i loaʻa ma ka sodium hydroxide lapaʻau, waika ua, filtration, decolorization a me ka hoʻomaʻemaʻe.
-
Phenylacetyl Chloride
E mālama i loko o kahi hale kūʻai maloʻo, maloʻo a maikaʻi.E mālama i ke ahi a me ke kumu wela.Pono e hoʻopaʻa ʻia ka pūʻolo a ʻaʻohe wai.Pono e mālama ʻokoʻa ʻia mai ka oxidant, alkali a me nā kemika edible, a pono e pale ʻia ka waiho ʻana.E hāʻawi ʻia nā lako hana ahi o nā ʻano like ʻole a me ka nui.Pono e hoʻolako ʻia ka wahi mālama me nā lako lapaʻau ulia pōpilikia a me nā mea mālama pono.
-
P-cresol
ʻO kēia huahana ka mea maka no ka hana ʻana i ka antioxidant 2,6-di-tert-butyl-p-cresol a me ka antioxidant rubber.I ka manawa like, he kumu waiwai nui ia no ka hana ʻana i ka TMP lāʻau lapaʻau a me ka waika coricetin sulfonic acid.1. ʻO GB 2760-1996 kahi ʻano mea ʻala hiki ke hoʻohana ʻia.
-
P-tolonitrile
ʻO ka mālama ʻana no ka lawe ʻana: ma mua o ka lawe ʻana, e nānā inā paʻa a hoʻopaʻa ʻia ka pahu pahu, a e hōʻoia ʻaʻole e kahe ka pahu, hāʻule, hāʻule a pōʻino paha i ka wā o ka lawe ʻana.Ua kapu loa ia e hui me ka waika, oxidants, meaʻai a me nā meaʻai.
-
P-toluic Acid
Hoʻomākaukau ʻia e ka catalytic oxidation o p-xylene me ka ea.Ke hoʻohana ʻia ke ʻano kaomi o ka lewa, hiki ke hoʻohui ʻia ka xylene a me ka cobalt naphthenate i loko o ka ipu hao, a hoʻokomo ʻia ka ea i ka wā e hoʻomehana ai i 90 ℃.Mālama ʻia ka mahana hopena ma 110-115 ℃ ma kahi o 24 mau hola, a ma kahi o 5% o ka p-xylene i hoʻololi ʻia i ka waikawa p-methylbenzoic.
-
4-(Chloromethyl)Tolunitril
Ka waena o pyrimethamine.Hoʻohana ʻia i ka hana ʻana i ka waiʻona p-chlorobenzyl;p-chlorobenzaldehyde;p-chlorobenzene acetonitrile, etc.
-
4-tert-Butylphenol
He mau waiwai antioxidant ka P-tert-butylphenol a hiki ke hoʻohana ʻia ma ke ʻano he stabilizer no ka lāʻau, kopa, chlorinated hydrocarbons a me nā fibers digested.UV absorbers, anti-cracking agents e like me pesticides, rubber, pena, etc. No ka laʻana, ua hoʻohana 'ia e like me ka stabilizer no ka polycarbon resin, tert-butyl phenolic resin, epoxy resin, polyvinyl chloride, a me styrene.
-
2,4,6-Trimethylaniline
ʻO 2,4,6-Trimethylaniline kahi mea waena i hoʻohana nui ʻia i nā mea pena, nā pesticides a me nā ʻoihana ʻē aʻe.ʻO ka mea maka no ka synthesis o ka mesitidine he mesitylene, aia i loko o ka ʻaila.Me kaʻikeʻana i ka hanaʻoihanaʻoihana nui ma Kina, ua hoʻomauʻia ka hoʻonuiʻana o ka mesitylene, no laila ua loaʻa i ka hoʻomohalaʻana o kāna mau huahana i lalo.
-
4,4′-Bis(chloromethyl)-1,1′-Biphenyl
ʻO ke kī waena no ka synthesis o biphenyl bisphenylacetylene fluorescent whitening agent CBS-X a me CBS-127.Hiki ke hoʻohana ʻia ma ke ʻano he lāʻau lapaʻau a i ʻole resin intermediate.
