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Names
IUPAC name
Potassium cyanide
Identifiers
3D model ( JSmol )
ChEBI
ChemSpider
ECHA InfoCard 100.005.267 വിക്കിഡാറ്റയിൽ തിരുത്തുക
EC Number
  • 205-792-3
RTECS number
  • TS8750000
UNII
UN number 1680
InChI
 
SMILES
 
Properties
????????? ??????
Molar mass 0 g mol ?1
Appearance White crystalline solid
deliquescent
Odor faint, almond -like
???????? 1.52 g/cm 3
??????????
??????????
71.6 g/100 ml (25 °C)
100 g/100 mL (100 °C)
Solubility in methanol 4.91 g/100 mL (20 °C)
Solubility in glycerol soluble
Solubility in formamide 14.6 g/100 mL
Solubility in ethanol 0.57 g/100mL
Solubility in hydroxylamine 41 g/100 mL
???????? (p K a ) 11.0
−37.0·10 ?6 cm 3 /mol
Refractive index ( n D ) 1.410
Thermochemistry
Std enthalpy of
formation Δ f H o 298 		−131.5 kJ/mol
Standard molar
entropy S o 298 		127.8 J K −1  mol −1
Hazards
Safety data sheet ICSC 0671
GHS pictograms GHS05: CorrosiveGHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
GHS Signal word Danger
H290 , H300 , H310 , H330 , H370 , H372 , H410
P260 , P264 , P273 , P280 , P284 , P301+310
Flash point {{{value}}}
Lethal dose or concentration (LD, LC):
LD 50 ( median dose )
5 mg/kg (oral, rabbit)
10 mg/kg (oral, rat)
5 mg/kg (oral, rat)
8.5 mg/kg (oral, mouse) [1]
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 5 mg/m 3
REL (Recommended)
C 5 mg/m 3 (4.7 ppm) [10-minute]
IDLH (Immediate danger)
25 mg/m 3
Related compounds
Other anions Potassium cyanate
Potassium thiocyanate
Other cations Sodium cyanide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| colspan=2 |   ☒N   verify  ( what is :  checkY / ☒N ?)


KCN ????? ????????????? ??? ??????????? ?????????? ?????? (Potassium cyanide). ??????????? ??????????, ??????? ???? ??????? ??????????, ????????????, ?????????????????????? ??? ??????? ???. ?????????????????, ????????????? ?????????????????????? ?????????????????. [3]

?????????? ?????? ??? ???????????. ????????? ??????????????? ??? ?????????? ??????? ?????? ????????????. ?????????? ????????? ?????? ?????. [4] ???????? ? ??? ????????????? ??????, ??? ?????????? ??? ???????????. [5]

?????????????? ???????? ????????? ?????????? ??????????? ?????????? ????????. [6]

????????? [ ????????? ]

??????? ?????? ?????????? ???????????????? ??????????? ???????????????????? ????????? ? ????? ??????????????? ?????????? ?????? ??????????????: [7]

HCN + KOH → KCN + H 2 O

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

HCONH 2 + KOH → KCN + 2H 2 O

????????? ??????? 50,000 ?? ?????????? ?????? ???????????????.

??????? ????????? [ ????????? ]

1900 ?? ????? ?????????? ???? ????????????????????? ??????? ?????????? ???????? ???????????? ??????? ?????? ????????? ?????????? ?????? ?????????. [3] ? ??????? ?????????? ??????????? ???????????????? ?????????? ?????? ???????????????????????: [8]

K 4 [Fe(CN) 6 ] → 4 KCN + FeC 2 + N 2

??? [ ????????? ]

????????? [ ????????? ]

?????????? ??????? ?????? [ ????????? ]

??????? [ ????????? ]

?????????? ?????? ???????????? ???????? ???????? ??????????????? ??????????? ?? ????????????? ?????????????????, ????????????? ????????????? ???????? ?????????? ??????????. ??? ?????????? ????????? ?????? ???????????? ?????? ?????????????????????? ?????? ???????? ????????. ???????? ????????? ???????? ???????????????? ????????????. ???????????, ??????? ?????? ??????, ???????????????????????? ???? ???????????????? ????????????. ?????????? ??????? ?????????? ??????????? ?????????????????? ?????? ??????????????. ??????????, ?????? ?????? ?????????? ??? ????????. ??????????????? ????????? ????????? ???? ?????????????????????? ????? ?????? ??????????????????? ???????????????. ????????????? ???? ?????????????? ??????? ?????????? ???? ????????????? ??????????. ? ???????? ??????????????????????? ?????? ?????????????????? ??????????????????. ???????? ????????? ???? ???? ?????????????. ?????????? ?????????? ???????????????? ????????????? ?????? ???? 200?300 ??.????????.

?????? [ ????????? ]

  1. ↑ "Cyanides (as CN)" . Immediately Dangerous to Life and Health . National Institute for Occupational Safety and Health (NIOSH).
  2. ↑ "POTASSIUM CYANIDE | CAMEO Chemicals | NOAA" .
  3. ↑ 3.0 3.1 Andreas Rubo, Raf Kellens, Jay Reddy, Joshua Wooten, Wolfgang Hasenpusch "Alkali Metal Cyanides" in Ullmann's Encyclopedia of Industrial Chemistry 2006 Wiley-VCH, Weinheim, Germany. doi : 10.1002/14356007.i01_i01
  4. ↑ http://www.smh.com.au/news/world/suicide-note-reveals-taste-of-cyanide/2006/07/08/1152240534587.html
  5. ↑ Online Mendelian Inheritance in Man (OMIM) 304300
  6. ↑ "The only taste: Cyanide is acrid" . hindustantimes.com . Hindustan Times.
  7. ↑ Pradyot Patnaik. Handbook of Inorganic Chemicals . McGraw-Hill, 2002, ISBN   0-07-049439-8
  8. ↑ Von Wagner, Rudolf (1897). Manual of chemical technology . New York: D. Appleton & Co. p. 474 & 477.

?????????????? ??????? [ ????????? ]

?????? ????????? ????????? ????????????????
HCN He
LiCN Be(CN) 2 B C NH 4 CN OCN ? ,
-NCO 		FCN Ne
NaCN Mg(CN) 2 Al(CN) 3 Si(CN)4 ,
Me 3 SiCN 		P(CN) 3 SCN ? ,
-NCS ,
(SCN) 2 ,
S(CN) 2 		ClCN Ar
KCN Ca(CN) 2 Sc(CN) 3 Ti(CN) 4 Cr(CN) 6 4? Cr(CN) 6 3? Mn(CN) 2 Fe(CN) 3 ,
Fe(CN) 6 4? ,
Fe(CN) 6 3? 		Co(CN) 2 ,
Co(CN) 3 		Ni(CN) 2
Ni(CN) 4 2? 		CuCN Zn(CN) 2 Ga(CN) 3 Ge As(CN) 3 SeCN ?
(SeCN) 2
Se(CN) 2 		BrCN Kr
RbCN Sr(CN) 2 Y(CN) 3 Zr(CN) 4 Nb Mo(CN) 8 4? Tc Ru(CN) 6 3? Rh(CN) 6 3? Pd(CN) 2 AgCN Cd(CN) 2 In(CN) 3 Sn Sb(CN) 3 Te ICN Xe
CsCN Ba(CN) 2   Hf Ta W(CN) 8 4? Re Os(CN) 6 3? Ir(CN) 6 3? Pt(CN) 4 2- ,
Pt(CN) 6 4-
AuCN ,
Au(CN) 2 ? 		Hg 2 (CN) 2 ,
Hg(CN) 2 		TlCN Pb(CN) 2 Bi(CN) 3 Po At Rn
Fr Ra   Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
↓
La Ce(CN) 3 ,
Ce(CN) 4 		Pr Nd Pm Sm Eu Gd(CN) 3 Tb Dy Ho Er Tm Yb Lu
Ac Th Pa UO 2 (CN) 2 Np Pu Am Cm Bk Cf Es Fm Md No Lr
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