nūhou

ʻO ka waikawa Dichloroacetic, i ʻike ʻia hoʻi ʻo ka waikawa dichloroacetic, he wai kala ʻole me kahi ʻala ʻawaʻawa. ʻO kona nuipa molekala pili he 128.94, a ʻo kona nuipa pili he 1.5634. Loaʻa i ka waikawa Dichloroacetic ʻelua mau ʻano crystalline me nā kiko heheʻe o 9.7 ℃ a me -4 ℃, kēlā me kēia. ʻO kona kiko paila he 194 ℃, Chemicalbook 102 ℃ (2.666 × 10³ Pa), a me 91–92 ℃ (1.600 × 10³ Pa). ʻO kona helu kuhikuhi refractive he 1.4659. Hiki ke hoʻoheheʻe ʻia i ka wai (8.63% ma 20 ℃), ethanol, methanol, diethyl ether, acetone, chloroform, a me benzene.

ʻOi aku ka ikaika o ka waikawa dichloroacetic ma mua o ka waikawa chloroacetic, me kahi kūpaʻa dissociation K = 5 × 10⁻². Ua like kona mau waiwai kemika me ka waikawa chloroacetic. Hiki ke pani ʻia nā ʻātoma chlorine ʻelua i loko o ka molekole waikawa dichloroacetic. Hoʻopili ia me ka phenol e hana i ka waikawa diphenoxyacetic (Chemicaloacetic acid); a me ka hydroxylamine e hana i ka waikawa isonitroacetic, a pēlā aku. Hiki iā ia ke hana i nā hopena esterification, e hana ana me ka ethanol e hāʻawi i ka ethyl dichloroacetate. He lapalapa a ʻā ka waikawa dichloroacetic; he mea hoʻonāukiuki ikaika kona mahu i ka ʻili a me nā maka.

Nā Hoʻohana: Hoʻohana ʻia ma ke ʻano he waena i nā pesticides a me nā lāʻau lapaʻau.

Nā ʻAno Hana: 1. Chlorination Acetic Acid Mother Liquor Recovery Method: ʻO ka chlorination o ka acetic acid e hua mai i ka chloroacetic acid mother liquor. Hoʻomaʻamaʻa ʻia kēia makuahine liquor ma lalo o ka sulfur catalysis, a ukali ʻia e ka distillation e loaʻa ai ka dichloroacetic acid. 2. Trichloroacetaldehyde Method: Loaʻa ka Trichloroacetaldehyde ma o ka cyanidation, dehydrochlorination, a me ka hydrolysis. 3. Acetic Acid Method: Loaʻa ka Acetic acid ma o ka chlorination ma lalo o ka iodine catalysis.

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Ka manawa hoʻouna: Ian-04-2026