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_chloride.JPG)
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| ???????? | |
|---|---|
| ???????? ?????
?????????(II) ????????
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| ???? ????????
??????? ????????
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| ????????????? | |
| (??????), 13931-94-7 (??????????????) 10049-05-5 (??????), 13931-94-7 (??????????????) | |
| ChemSpider | 23252 
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InChI
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| ????? -3D ????????? | Image |
| ??????? | 24871 |
| ??.?.??.? ??? | GB5250000 |
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| UNII | CET32HKA21
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| ???????? | |
| Cl2Cr | |
| ???????????? ??? | 122.90 g·mol?1 |
| ??????? | ????????? ????? ??????? ????? ???/????? ????????? (????????), very ???? ????????? ????? |
| ???? | ???????? |
| ???????? | 2.88 ??/????3 (24 °?????????)[1] |
| ????????? | 824 °C (1,515 °F; 1,097 K) ???????? 51 °C (124 °F; 324 K) ??????????????, ?????????????[1] |
| ???????? | 1,302 °C (2,376 °F; 1,575 K) ????????[1] |
| ??????? ????? ??????[1] | |
| ???????? | ????????, ???? ??????????? ???????? |
| ??????????? ??? (pKa) | 2 |
| +7230·10?6 ????3/???? | |
| ?????????? | |
| ???? ??????? | ??????????????, ???????????? ?????????, oP6[2] ?????????????????, (??????????????)[3] |
| ????????? ?????? | Pnnm, No. 58 (????????)[2] P21/c, No. 14 (??????????????)[4] |
| Lattice constant | a = 6.64 ?, b = 5.98 ?, c = 3.48 ? (????????)[2] |
?????????? ??????
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| ??????? (Cr2+, ????????)[2] | |
| ?????????????? | |
| Std enthalpy of formation ΔfH |
?395.4 ???? ????/????[1] |
| ???? ?????? ??????????? S |
115.3 ????/????·????????[1] |
| ??????? ??????, C | 71.2 ????/????·????????[1] |
| ????????? | |
| ?????? ?????????? ???????? ???? | Oxford MSDS |
| GHS pictograms |  [5]
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| GHS signal word | Warning |
| H302, H315, H319, H335[5] | |
| P261, P305+351+338[5] | |
| Lethal dose or concentration (LD, LC): | |
LD50 (Median dose)
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1870 ????/???? (???, ???????)[6] |
| ?????????? ?????????? | |
| ???? ????? ??????????? | ?????????(II) ???????? ?????????(II) ???????? ?????????(II) ??????? |
| ???? ???? ??????????? | ?????????(III) ???????? ?????????(IV) ???????? ???????????(II) ???????? ??????? (II) ???????? |
???????? ????? ??????????? ??????? ????????????? ??????? ?????? ????????? ???????? ??????? ????? ?????? ???????? (25°C, 100kPa) ?????????. | |
????????? (II) ???????? (Chromium(II) chloride) ?????? CrCl2(H2O)n ???? ??????????? ???????????? ???? ?????? ??????????? ???????????. ?????? ?????????? ????????? ????????????? ?????? ????????? ?????????, ??????????? ???? ????????? ???????????? ??????? ?????? ????? ????????? ?????????. ??? ???? ????????? ????? ????? ?????? ?????. ???? ?????????????? Cr(H2O)4Cl2 ???????? ???? ?????????? ??????????????? ?????? ??????? ????????? ??? ????? ?????? ???????????. ????????? (II) ???????? ???? ??????? ????????????? ?????????????????, ????? ???? ????????? ??????? ???????????? ???????????? ????? ?????? ????????????????????.
????????
[????]????????? (III) ???????? ????????? 500° ??????????? ??????????? ????? ?????????(II) ???????? ??????????????????:
- 2 CrCl 3 + H 2 → 2 CrCl 2 + 2 HCl
?????? ??????????????? ??????? ??????????????????. [7]
????? ??????? ?????????????? CrCl3 ? ?????? ?????????? ?????????? ??????, ?????????? ?????? ?????????? ?????????????? ??????????????.
- 4 CrCl 3 + LiAlH 4 → 4 CrCl 2 + LiCl + AlCl 3 + 2 H 2
- 2 CrCl 3 + Zn → 2 CrCl 2 + ZnCl 2
?????? ??????????? ????????? (II) ??????? ?????? ????????????????? ??????? CrCl2 ????????????????. [8]
- Cr 2 (OAc) 4 + 4 HCl → 2 CrCl 2 + 4 AcOH
?????????? ??????? ????????
[????]?????? ?????????(II) ???????? ?????? ????????? ??????????????.[8] ???????????, ???? ????????? ???????????? ??????? ?????? ????? ????????? ?????????. ??? ??????????? ???????????????? ???????????. ??? ??????????? ????????? ????????? ??????????????? ??????? ???????????. ???? ???????; ??? ????????? ???????????? ???? ?????????? ???????? ??????????. Cr ??????????? ????-??????? ???????? ?????????????? ??????? ?????????? ??????????.
???????????
[????]- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Lide, David R., ed. (2009). CRC Handbook of Chemistry and Physics (90th ed.). Boca Raton, Florida: CRC Press]isbn = 978-1-4200-9084-0.
- ↑ 2.0 2.1 2.2 2.3 Tracy, Joseph W.; Gregory, N.W.; Lingafelter, E.C.; Dunitz, J.D.; Mez, H.-C.; Rundle, R.E.; Scheringer, Christian; Yakel, H.L. et al. (1961). "The crystal structure of chromium(II) chloride". Acta Crystallographica 4 (9): 927–929. doi:10.1107/S0365110X61002710.
- ↑ H.G. von; Brand. "Struktur und Eigenschaften des blauen Chrom(II)‐chlorid‐tetrahydrats CrCl2. 4H2O". Wiley online library. Retrieved 15 ??????????? 2019.
{{cite web}}: CS1 maint: multiple names: authors list (link) - ↑ H.G. von; Brand. "Struktur und Eigenschaften des blauen Chrom(II)‐chlorid‐tetrahydrats CrCl2. 4H2O". Wiley online library. Retrieved 15 ??????????? 2019.
{{cite web}}: CS1 maint: multiple names: authors list (link) - ↑ 5.0 5.1 5.2 Sigma-Aldrich Co., Chromium(II) chloride. Retrieved on 2025-08-05.
- ↑ 6.0 6.1 "MSDS of Chromium(II) chloride". fishersci.ca. Fisher Scientific. Retrieved 2025-08-05.
- ↑ Holah, D. G.; Fackler, Jr. John P. (1967). "Anhydrous Chromium(II) Chloride". Inorg. Synth. 10: 26-35. doi:10.1002/9780470132418.ch4.
- ↑ 8.0 8.1 Riley, edited by Georg Brauer ; translated by Scripta Technica, Inc. Translation editor Reed F. (1963). Handbook of preparative inorganic chemistry. Volume 1 (2nd ed.). New York, N.Y.: Academic Press. p. 1337. ISBN 978-0121266011.
{{cite book}}:|first=has generic name (help)CS1 maint: multiple names: authors list (link)