Identification Chemical Properties Safety Data Raw materials And Preparation Products Hazard Information Material Safety Data Sheet(MSDS) Questions And Answer Spectrum Detail Well-known Reagent Company Product Information Supplier Related Products

333-20-0

Name Potassium thiocyanate
CAS 333-20-0
EINECS(EC#) 206-370-1
Molecular Formula CKNS
MDL Number MFCD00011413
Molecular Weight 97.18
MOL File 333-20-0.mol

Chemical Properties

Appearance white crystalline powder
Melting point  173 °C (lit.)
Boiling point  500°C
density  1.886
vapor pressure  <0.001 hPa (20 °C)
Fp  500°C
storage temp.  Store at RT.
solubility  H2O: 8 M at 20 °C, clear, colorless
form  Liquid
color  colorless or white
Specific Gravity 1.886
Odor Odorless
PH 5.3-8.7 (25℃, 50mg/mL in H2O)
PH Range 5.3 - 8.7 at 97.2 g/l at 25 °C
Stability: Stable. Incompatible with nitric acid, strong oxidizing agents, active halogen compounds.
Water Solubility  2170 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,7691
BRN  3594799
Exposure limits NIOSH: IDLH 25 mg/m3
CAS DataBase Reference 333-20-0(CAS DataBase Reference)
NIST Chemistry Reference Potassium thiocyanate(333-20-0)
Storage Precautions Air sensitive;Store under inert gas;Moisture sensitive;Light sensitive
EPA Substance Registry System 333-20-0(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R32:Contact with acids liberates very toxic gas.
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S13:Keep away from food, drink and animal feeding stuffs .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S36/37:Wear suitable protective clothing and gloves .
WGK Germany  1
RTECS  XL1925000
Hazard Note  Irritant/Hygroscopic
TSCA  Yes
HS Code  28380000
Safety Profile
A human poison by ingestion. Poison experimentally by intravenous route. An experimental teratogen. Moderately toxic by subcutaneous and ingestion routes. Large doses can cause slun eruptions, psychoses, and collapse. Incompatible with calcium chlorite and perchloryl fluoride. When heated to decomposition it emits very toxic fumes of CN-, K2O, SOx, and NOx. See also THIOCYANATES.
Toxicity
LD50 orally in mice, rats: 594, 854 mg/kg, Andersen, Chen, J. Am. Pharm. Assoc. 29, 152 (1940)

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer

Well-known Reagent Company Product Information

Supplier