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3425-46-5

Name POTASSIUM SELENOCYANATE
CAS 3425-46-5
EINECS(EC#) 222-320-1
Molecular Formula CKNSe
MDL Number MFCD00011366
Molecular Weight 144.08
MOL File 3425-46-5.mol
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Chemical Properties

Appearance white to light beige crystalline powder or needles
Melting point  147 °C
density  2.347
storage temp.  Poison room
form  Crystalline Solid, Powder, Crystals and/or Chunks
color  White to off-white
Specific Gravity 2.347
Water Solubility  Soluble in water, ethanol, dimethyl formamide, hexamethylphosphoramide, acetonitrile and methanol. Slightly soluble in terahydrofuran.
Sensitive  Moisture Sensitive
BRN  3912121
Exposure limits ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3
InChI InChI=1S/CHNSe.K/c2-1-3;/h3H;/q;+1/p-1
InChIKey KYEKHFSRAXRJBR-UHFFFAOYSA-M
SMILES C(#N)[Se][K]
CAS DataBase Reference 3425-46-5(CAS DataBase Reference)
EPA Substance Registry System Selenocyanic acid, potassium salt (3425-46-5)

Safety Data

Hazard Codes  T,N
Risk Statements 
R23/25:Toxic by inhalation and if swallowed .
R33:Danger of cumulative effects.
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN 3283 6.1/PG 2
WGK Germany  3
RTECS  VT1400000
TSCA  Yes
HazardClass  6.1
PackingGroup  II
HS Code  28429090
Safety Profile
Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx, CN-, K2O, and Se. See also SELENIUM COMPOUNDS and CYANATES.
Toxicity
guinea pig,LD50,skin,50mg/kg (50mg/kg),SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE",National Technical Information Service. Vol. OTS0536978,

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