ɪf ɛksˈɛs ˈæsɪdz ɑːɹ ɹᵻmˈuːvd, pˌiːtˈiː sˌiːˈɛl fˈoːɹ kɹˈɪstəlˌaɪzᵻz fɹʌm ˈeɪkwɪəs səlˈuːʃənz ɪn lˈɑːɹdʒ ɹˈɛd kɹˈɪstəlz ʌv pˈɛntɐhˌaɪdɹeɪt pˌiːtˈiː sˌiːˈɛl fˈoːɹ fˈaɪv ˈeɪtʃ tˈuː ˈoʊ, wˌɪtʃ kæn biː dˌiːhaɪdɹˈeɪɾᵻd baɪ hˈiːɾɪŋ tʊ ɐbˌaʊt θɹˈiːhˈʌndɹɪd dᵻɡɹˈiːz sˈiː ɪn ɐ kˈɜːɹənt ʌv dɹˈaɪ klˈoːɹiːn.
If excess acids are removed, PtCl4 crystallizes from aqueous solutions in large red crystals of pentahydrate PtCl4·5(H2O), which can be dehydrated by heating to about 300 °C in a current of dry chlorine.