????????(II) ??????????

????????(II) ??????????
	; ????????(II) ??????????
????????
	???????? ????? ????????(II) ??????????
	???? ???????? ??????????? ??????????, ???????? ??????????, β-????????(II) ??????????
?????????????
?????? ???	21041-93-0
ChemSpider	8305419
	InChI InChI=1S/Co.2H2O/h;21H2/q+2;;/p-2 ; Key: ASKVAEGIVYSGNY-UHFFFAOYSA-L ; InChI=1/Co.2H2O/h;21H2/q+2;;/p-2; Key: ASKVAEGIVYSGNY-NUQVWONBAS;
????? -3D ?????????	Image
???????	10129900
	SMILES [Co+2].[OH-].[OH-];
????????
????????? ????????	Co(OH)2
???????????? ???	92.948 ??/????
???????	???? ??????? ???? ?????? ????? ????? ????
????????	3.597 ??/??.??3
?????????	168 °C (334 °F; 441 K) (???????????)
?????? ????????	3.20 ??.??/??
???????? ????????? (Ksp)	1.0×10-15
????????	???????????, ??????????? ???????; ??????? ?????????? ???????.
??????????
???????????; ????????	??????????
??????????????
Std enthalpy of; formation ΔfHo298	-539.7 ??????????1
???? ?????? ; ??????????? So298	79.0 ??????????1?K?1
?????????
?????? ?????????? ???????? ????	Oxford University
??? ?????????	Xn
R-????????????	R20 R21 R22 R36 R37 R38 R43
S-????????????	S24 S26 S36 S37 S39
?????????? ??????????
???? ????? ???????????	????????(II) ????????; ????????(II) ????????; ????????(II) ???????
???? ???? ???????????	???????(II) ??????????; ???????(II) ?????????? ; ?????(II) ??????????
	???????? ????? ??????????? ??????? ????????????? ??????? ??????; ????????? ???????? ??????? ????? ?????? ???????? (25°C, 100kPa) ?????????. verify (??? ?) ?????????? ???????????

百度车身尺寸方面，新款飞度的长/宽/高分别为4096x1695x1525mm，轴距为2530mm。

????????(II) ?????????? (Cobalt(II) hydroxide) ?????? Co(OH)₂.???? ??????????? ?????????? ????? ??? ???? ????????? ???????????. ??? ??????????? ?????????? ???? ????????? ??????????????. ???? ??????? ????? ????? ??? ?????????????. α-Co(OH)2, ???? ??????????????? ????? ??? ??? ??????????????????? ???????? ?????????????? ^[3]. ?????????, ?????, ?????????? ?????????? ??????? ????????(II) ?????????? ????????????????????. ??? ???????? ?????????? ??????????????, ?????? ??????? ??????????? ???????? ??????????????? ??? ????????????????? ????? ????????????????????.

?????????? ?????????

??? ???? ????????????? ????? Co2+ ??????? ???????? ?????????????? ????????(II) ?????????? ???????? ?????????????? :^[4]

Co²⁺ + 2 NaOH → Co(OH)₂ + 2 Na⁺.

????????(II) ?????????? 168 ° ????????? ????????????? ????????????? ????????????????? ????????(II) ???????? ????????????. ???????? ??????????????? ????????. 300 ° ????????? ????????????? ???? ??????????????? Co3O4 ?????????? ^[5]^[6]. ???????(II) ?????????? ????? ????????(II) ???????????? ??? ???????? ??????????????. ??? ???? ????? ??????????? [Co(H2O)6]2+ ???? ??????? ???????? ??????????. ???????? ?????????? ??????? ?????????? ????????? ??????? ?????? [Co(OH)4]2? ??????? [Co(OH)6]4?????? ???? ??? ????????????(II) ????????? ??????????.

??????????

?????????? ?????? ???????????? ????????(II) ?????????? ???????????. ???????, ????????? ?????????, ???????? ????????? ????????? ????????? ?????? ??? ????????????. ????? ????????? ?????? ??????????? ???????? ?????????? ^[7]. ?????????? ????????? α-Co(OH)2 ??????? β-Co(OH)2 ???????????? ??????????? ????????? ????????? ??????? ?????. ????? ??? ???????????? ?????????? ????????. ?????????????????? ????????? ??????? ??????????????? ??????????????. ???? ??? ??? ????????? ???????? ????????????. β-Co(OH)2 ????????????? α-Co(OH)2 ??????? ??? ?????????? ??????? ?????? ^[8]

.

???????????

↑ ^1.0 ^1.1 Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. p. 513. ISBN 0-8493-0594-2.
↑ "Safety (MSDS) data for cobalt (II) hydroxide". Oxford University. Archived from the original on 2025-08-05. Retrieved 2025-08-05.
↑ Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. p. 454. ISBN 0-8493-0594-2.
↑ O. Glemser "Cobalt(II) Hydroxide" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1521.
↑ Jayashree, R. S.; Kamath, P. Vishnu (1999). "Electrochemical synthesis of a-cobalt hydroxide". Journal of Materials Chemistry 9 (4): 961–963. doi:10.1039/A807000H.
↑ Xu, Z. P.; Zeng, H. C. (1998). "Thermal evolution of cobalt hydroxides: a comparative study of their various structural phases". Journal of Materials Chemistry 8 (11): 2499–2506. doi:10.1039/A804767G.
↑ Wiberg, Nils; Wiberg, Egon; Holleman, A. F. (2001). Inorganic Chemistry. Academic Press. pp. 1478–1479. ISBN 0-12-352651-5. Retrieved 2025-08-05.
↑ Liu, Zhaoping; Ma, Renzhi; Osada, Minoru; Takada, Kazunori; Sasaki, Takayoshi (2005). "Selective and Controlled Synthesis of α- and β-Cobalt Hydroxides in Highly Developed Hexagonal Platelets". Journal of the American Chemical Society 127: 13869–13874. doi:10.1021/ja0523338.
↑ Ni, Bing; Liu, Huiling; Wang, Peng-Peng; He, Jie; Wang, Xun (2015). "General synthesis of inorganic single-walled nanotubes". Nature Communications 6: 8756. doi:10.1038/ncomms9756. ???????:26510862.

[hand2-1] 1.0 ^1.1 Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. p. 513. ISBN 0-8493-0594-2.

[ox-2] "Safety (MSDS) data for cobalt (II) hydroxide". Oxford University. Archived from the original on 2025-08-05. Retrieved 2025-08-05.

[hand-3] Lide, David R. (1998). Handbook of Chemistry and Physics (87 ed.). Boca Raton, FL: CRC Press. p. 454. ISBN 0-8493-0594-2.

[brauer-4] O. Glemser "Cobalt(II) Hydroxide" in Handbook of Preparative Inorganic Chemistry, 2nd Ed. Edited by G. Brauer, Academic Press, 1963, NY. Vol. 1. p. 1521.

[5] Jayashree, R. S.; Kamath, P. Vishnu (1999). "Electrochemical synthesis of a-cobalt hydroxide". Journal of Materials Chemistry 9 (4): 961–963. doi:10.1039/A807000H.

[6] Xu, Z. P.; Zeng, H. C. (1998). "Thermal evolution of cobalt hydroxides: a comparative study of their various structural phases". Journal of Materials Chemistry 8 (11): 2499–2506. doi:10.1039/A804767G.

[inorg-7] Wiberg, Nils; Wiberg, Egon; Holleman, A. F. (2001). Inorganic Chemistry. Academic Press. pp. 1478–1479. ISBN 0-12-352651-5. Retrieved 2025-08-05.

[8] Liu, Zhaoping; Ma, Renzhi; Osada, Minoru; Takada, Kazunori; Sasaki, Takayoshi (2005). "Selective and Controlled Synthesis of α- and β-Cobalt Hydroxides in Highly Developed Hexagonal Platelets". Journal of the American Chemical Society 127: 13869–13874. doi:10.1021/ja0523338.

[9] Ni, Bing; Liu, Huiling; Wang, Peng-Peng; He, Jie; Wang, Xun (2015). "General synthesis of inorganic single-walled nanotubes". Nature Communications 6: 8756. doi:10.1038/ncomms9756. ???????:26510862.

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