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

????????? ???????
??.?.???. ?????	[7789-43-7]
??? ????	24610
???.??.?.??.???. ?????	GF9595000
SMILES	[Co](Br)Br
?????????? ????? ????????? InChI=1/2BrH.Co/h2*1H;/q;;+2/p-2
????????
????? ??????	CoBr 2 , CoBr 2 .6H 2 O, CoBr 2 .2H 2 O
?????? ??????????	218.7412 g/mol (anhydrous) 326.74 g/mol (hexahydrate)
???????	Bright green crystals (anhydrous) Red-purple crystals (hexahydrate)
???????	4.909 g/cm 3 (anhydrous) 2.46 g/cm 3 (hexahydrate)
???????? ??????	678 °C (1,252 °F; 951 K)
?????? ?????????	anhydrous: 66.7 g/100 mL (59 °C) 68.1 g/100 mL (97 °C) hexahydrate: 113.2 g/100 mL (20 °C)
?????????	77.1 g/100 mL (ethanol, 20 °C) 58.6 g/100 mL (methanol, 30 °C) soluble in methyl acetate , ether , alcohol , acetone
????????
?????? ????????	Rhombohedral , hP3 , SpaceGroup = P-3m1, No. 164
???????????? ????????	octahedral
?????????
R-????????	R36, R37, R38
S-????????	S26, S37, S39, S45, S28A
????? ??????	{{{value}}}
Lethal dose or concentration ( LD , LC ):
LD 50 ( median dose )	406 mg/kg (oral, rat)
??????? ??????????
??? ???????	{{{value}}}
??? ?????????	iron(II) bromide nickel(II) bromide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y   verify  ( what is   Y N  ?)
Infobox references

???????? (II) ???????? (CoBr ₂ ) ?? ?????? ????????. ??? ?? ????? ?? ?????? ???????, ?????? ??????????. ????????? ?????? ???????????? ?? ???????????? ?????????????.

??? ????(????????), ???????? (II) ???????? ??????? ????????? ???????? ????????????. ?????????????? 100 °C ???? ?????????? ????????? ?????????????? ???????? ?????? ?????????? ???????????:

CoBr ₂ .6H ₂ O → CoBr ₂ .2H ₂ O + 4 H ₂ O

?????? 130 °C ?? ??????? ???? ????? ??? ????(????????) ???? ??????????:

CoBr ₂ .2H ₂ O → CoBr ₂ + 2 H ₂ O

??? ????(????????) ???? 678 °C ???? ??????????. ^{[1] [2]}

???? ????????? ? ????, ???????? (II) ???????? ???????? ???? ???????? ??? ???????? (II, III) ???????, ???????? ???????? ??????? ??????????,

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

Co(OH) ₂ (s) + 2HBr(aq) → CoBr ₂ .6H ₂ O(aq)

??? ???? ???????? (II) ????????, ????? ????????, ???? ???????? ????? ????????? ????????? ?????? ????? ????????. ^{[3] [4] [5]}

????????? ?????? ???????? ???? ??????????????????????? (III) ?????????? ???????? (II) ???????? ????? ?? ??????? , ??? ?????????? ????? ???????? ?????? ?????????????. ^[6]

2 CoBr ₂ + 8 NH ₃ + 2 NH ₄ Br + H ₂ O ₂ → 2 [Co(NH ₃ ) ₅ Br]Br ₂ + 2 H ₂ O

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

.

???????? (II) ????? ???????? ???????? ????? ???????? ???? ??????? ????????????. ^[7] ???????? ?? ???? ???????? ???? ????.