Sodium Thiocyanate CAS#540-72-7
High Solubility ：
Soluble in water, ethanol, and acetone.
Stable Crystal Form ：
White rhombic system crystal for consistent handling.
Controlled Melting Point ：
Melts at ~287°C for safe thermal use.
Reactive Properties ：
Violent reactions with acids, bases, and oxidants for specialized applications.
Product Description of Sodium thiocyanate (CAS#540-72-7)
Sodium thiocyanate is a white rhombic crystalline solid. It exhibits high solubility in water, ethanol, and acetone, with a relative density of 1.735. The compound melts at approximately 287°C. Upon heating or exposure to light, it decomposes, releasing toxic fumes of sulfur oxides, nitrogen oxides, and cyanides. Additionally, it reacts violently with acids, strong bases, and strong oxidants.
Parameters
Melting point | 287 °C (dec.) (lit.) |
bulk density | 800-1000kg/m3 |
density | 1.295 g/mL at 20 °C |
vapor pressure | <1 hPa (20 °C) |
refractive index | 1.545 |
storage temp. | Store at +5°C to +30°C. |
solubility | H2O: 8 M at 20 °C, clear, colorless |
form | Solid |
color | White |
Odor | Odorless |
PH | 6-8 (100g/l, H2O, 20℃) |
Water Solubility | 139 g/100 mL (21 ºC) |
Sensitive | Hygroscopic |
Merck | 14,9327 |
BRN | 3594965 |
Exposure limits | NIOSH: IDLH 25 mg/m3 |
Stability: | Stable. Incompatible with acids, strong bases. May decompose on exposure to light. Contact with acid liberates highly toxic gas. |
InChIKey | VGTPCRGMBIAPIM-UHFFFAOYSA-M |
LogP | 0.58 |
CAS DataBase Reference | 540-72-7(CAS DataBase Reference) |
EPA Substance Registry System | Sodium thiocyanate (540-72-7) |
Absorption | cut-off at 276nm in H2O at 8M |
Safety Information
Hazard Codes | Xn |
Risk Statements | 32-52/53-20/21/22-36 |
Safety Statements | 36/37-61-13-46-26 |
WGK Germany | 1 |
RTECS | XL2275000 |
F | |
TSCA | Yes |
HS Code | 28429011 |
Toxicity | LD50 orally in rats: 764 mg/kg; i.v. in mice: 484 mg/kg (Anderson, Chen) |
Product Application of Sodium thiocyanate (CAS#540-72-7)
Sodium thiocyanate is a versatile chemical raw material with significant applications across diverse economic sectors. Its primary uses encompass:
· Solvent for acrylic fiber spinning.
· Chemical analysis reagent.
· Rinse agent in color film processing.
· Defoliant for specific plants.
· Herbicide for airport road maintenance.
Furthermore, it is utilized in pharmaceuticals, printing and dyeing industries, rubber processing, black nickel plating, and the production of artificial mustard oil.
