Potassium thiocyanate, molecular formula is KSCN, it is also known as KSCN, English is Potassium Thiocyanate, it is colorless monoclinic crystal. The relative density is 1.886. Melting point is about 172.3 ℃. It is soluble in water and it can cool because of the absorption of heat, it is also soluble in alcohol (ethanol) and acetone. Crystalline hemihydrate (KSCN.0.5H2O) can be obtained at low temperature, it is steady at-29-6.8℃, and it can turn blue when be broiled at about 430℃, but it then re-becomes colorless when be colded. When be heated to 500℃, it can decompose. The blood red ferric thiocyanate complex ion FeSCN2 + (iron thiocyanate) can generate in case of Fe3 + (ferric), which is the sensitive method to test the Fe3 + ion, the method can eliminate the influence of all other known metal ions. And it can not react with ferrous salts. It is hygroscopic, and it should be sealed. It has low toxicity. But potassium cyanate is highly toxic substances, the country has limited its production.
1.Analysis of siliver ion; indirect determination of chloride, bromide, and iodide.
2.manufacture of artificial mustard oil; printing and dyeing textiles; in photography as intensifier; in analytical chemistry. The sodium salt now is replacing it for most of these uses.
3.Used as a source of thiocyanate.
4.Potassium Thiocyanate has been used as a catalyst in a one-pot reaction of dialkyl acetylenedicarboxylates with indane-1,3-dione. Potassium Thiocyanate has been used as a selective bacterial inhibitor to create ESS-3 broth to allow co-?enrichment of the target pathogens and suppress growth of some non-?target pathogens
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Punt de fusió | 173 °C (lit.) |
Punt d'ebullició | 500°C |
densitat | 1.886 |
pressió de vapor | <0.001 hPa (20 °C) |
Fp | 500°C |
temperatura d'emmagatzematge. | Store at +5°C to +30°C. |
solubilitat | H2O: 8 M at 20 °C, clear, colorless |
forma | Líquid |
Specific Gravity | 1.886 |
color | colorless or white |
PH | 5.3-8.7 (25℃, 50mg/mL in H2O) |
Olor | Odorless |
PH Range | 5.3 - 8.7 at 97.2 g/l at 25 °C |
Solubilitat en aigua | 2170 g/L (20 ºC) |
Sensitive | Hygroscopic |
Merck | 14,7691 |
BRN | 3594799 |
Exposure limits | NIOSH: IDLH 25 mg/m3 |
Stability: | Stable. Incompatible with nitric acid, strong oxidizing agents, active halogen compounds. |
LogP | 0.58 |
CAS DataBase Reference | 333-20-0(CAS DataBase Reference) |
NIST Chemistry Reference | Potassium thiocyanate(333-20-0) |
EPA Substance Registry System | Potassium thiocyanate (333-20-0) |
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Potassium thiocyanate, commonly known as potassium roseate, potassium rhodoconate, is a kind of inorganic substance, chemical formula KSCN, mainly used in synthetic resins, insecticides and fungicides, mustard oil, thiourea and drugs, etc., can also be used as a chemical agent, is a common indicator of iron ion (Fe3+), after addition to produce blood red flocculent complex; Also used in the preparation of thiocyanate (thiocyanate) solution, determination of iron ions, copper and silver, urine testing, tungsten color development agent, capacity of titanium indicator; It can be used as refrigerant and photographic thickening agent.
Properties: Colorless to white monoclinic crystal system.
Solubility: easily soluble in water, and due to a large amount of heat absorption and cooling. Also soluble in alcohol and acetone.
Density (g/mL, 25/4℃) : 1.886
Melting point (ºC) : 173
Boiling point (ºC, atmospheric pressure) : 500
Flash point (ºC) : 500
Refractive index: 1.660
【 Use 1 】
Used in pesticides, medicine, electroplating, chemical reagents and so on.
【 Use 2 】
Used as a reagent for the determination of barium and sulfate.
【 Use 3 】
Used as an analytical reagent and refrigerant, it is also used in the pharmaceutical industry, dye industry, mustard oil manufacturing and photographic industry.
【 Use 4 】
Used in electroplating industry as deplating agent, refrigerant, also used in dyes, photography, pesticide and steel analysis, can also be used in the manufacture of mustard oil and drugs.
【 Use 5 】
Used in electroplating industry as deplating agent, can also be used as refrigerant. It is also used in dye industry, photography industry, pesticide and steel analysis.
【 Use 6 】
Preparation of thiocyanate titrant. Testing trivalent iron, copper and silver. Urine test. Tungsten color developer. Volumetric indicator for the determination of titanium. A refrigerant. Photographic thickener.
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Potassium thiocyanate is chemically unstable at room temperature, easy to deliquate in air, absorbs heat and cools.
The chemical properties are stable at -29.5 ~ 6.8℃, and hemihydrate crystals can be obtained at low temperature. It turns blue when it is hot to about 430 ° C, and becomes colorless again after cooling.
1. Sou una fàbrica o una empresa comercial?
Som una empresa que integra la indústria i el comerç, que ofereix un servei únic. Es podria acceptar OEM.
2. Proporcioneu mostres? És gratuït o extra?
Mostres gratuïtes. La tarifa de transport de la mostra s'ha de pagar pel vostre costat.
3. Té algun certificat relacionat amb el control de qualitat?
Certificació ISO 9001:2008 per garantir la qualitat.
4. Què he de proporcionar per obtenir un pressupost?
Si us plau, informeu-nos del tipus de producte que necessiteu, la quantitat de la comanda, l'adreça i els requisits específics. La cotització es farà per a la vostra referència a temps.
5. Quin tipus de mètode de pagament prefereixes? Quin tipus de condicions s'accepten?
Condicions de lliurament acceptades: FOB, CFR, CIF, EXW;
Moneda de pagament acceptada: USD;
Tipus de pagament acceptat: T/T, Western Union; Paypal, assegurança comercial.
Idioma parlat: anglès.
Categories de productes