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CAS No.: | 3425-46-5 |
---|---|
Name: | Potassium selenocyanate |
Article Data: | 45 |
Molecular Structure: | |
Formula: | CKNSe |
Molecular Weight: | 144.076 |
Synonyms: | Selenocyanic acid, potassium salt; |
EINECS: | 222-320-1 |
Density: | 2.347 g/cm3 |
Melting Point: | 147 °C |
Boiling Point: | 134.2oC at 760 mmHg |
Flash Point: | 35oC |
Solubility: | Soluble in water, ethanol, dimethyl formamide, hexamethylphosphoramide, acetonitrile and methanol. Slightly soluble in terahydrofuran. |
Appearance: | white to light beige crystalline powder or needles |
Hazard Symbols: | T,N |
Risk Codes: | 23/25-33-50/53 |
Safety: | 20/21-28-45-60-61 |
Transport Information: | UN 3283 6.1/PG 2 |
PSA: | 23.79000 |
LogP: | -0.36402 |
potassium selenocyanate
Conditions | Yield |
---|---|
With selenium In methanol at 20℃; for 1h; | 94% |
With selenium In ethanol for 3h; Reflux; | |
With selenium In methanol at 20℃; for 0.5h; | |
With selenium In ethanol |
Conditions | Yield |
---|---|
With acetone In melt mixt. of KCN and Se heated to melting, allowed to stand for 15 min at room temp., dry acetone added dropwise, refluxed for 2 h; allowed to stand for 2 h in dark, concd. in vac., filtered, washed with cold ether; | 67% |
Conditions | Yield |
---|---|
With selenium; water | |
With selenium at 150 - 160℃; Aufnehmen der Schmelze in Aceton und Einleiten von CO2; | |
With selenium; ammonia |
potassium selenocyanate
Conditions | Yield |
---|---|
With selenium |
Conditions | Yield |
---|---|
In melt no formation of CS2 during melting;; | |
In melt byproducts: iron selenide, N2, carbon diselenide; melting;; | |
In melt dissolving with H2O or alcohol; | |
In melt K4Fe(CN)6 and Se melted together at 250°C; extracted with acetone; | |
In melt dissolving with H2O or alcohol; |
Conditions | Yield |
---|---|
In melt under H2;; |
Conditions | Yield |
---|---|
250-260°C; | |
In melt melting Se powder with KCN; heating melt for a long time with few H2O;; | |
In ethanol refluxing for 1 day with absolute ethanol;; evapn. of ethanol in vac., pptn.;; |
Conditions | Yield |
---|---|
With potassium cyanide strong, dry heating; | |
With KCN strong, dry heating; |
Conditions | Yield |
---|---|
With potassium cyanide In ammonia room temp.; | |
With KCN In ammonia NH3 (liquid); room temp.; |
Conditions | Yield |
---|---|
In water byproducts: K2CO3; removing of K2CO3 with alcohol; | |
in alcohol; | |
In water byproducts: K2CO3; removing of K2CO3 with alcohol; |
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Cyanide and its compounds, as well as selenium and its compounds, are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
OSHA PEL: TWA 5 mg(CN)/m3; TWA 0.2 mg(Se)/m3
ACGIH TLV: CL 5 mg(CN)/m3 (skin); TWA 0.2 mg(Se)/m3
DFG MAK: 5 mg/m3
NIOSH REL: TWA CL 5 mg/m3/10M
The Potassium selenocyanate, with the CAS registry number 3425-46-5, is also known as Selenocyanic acid, potassium salt. It belongs to the product categories of Inorganics; Metal and Ceramic Science; Potassium Salts; Salts. Its EINECS registry number is 222-320-1. This chemical's molecular formula is CKNSe and molecular weight is 144.08. What's more, its IUPAC name is the same with its product name. It should be stored in a cool, dry and well-ventilated place.
Computed properties about Potassium selenocyanate are: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 2; (3)Rotatable Bond Count: 0; (4)Exact Mass: 144.883303; (5)MonoIsotopic Mass: 144.883303; (6)Topological Polar Surface Area: 23.8; (7)Heavy Atom Count; 4; (8)Formal Charge: 0; (9)Complexity: 31.3; (10)Isotope Atom Count: 0; (11)Defined Atom Stereocenter Count: 0; (12)Undefined Atom Stereocenter Count: 0; (13)Defined Bond Stereocenter Count: 0; (14)Undefined Bond Stereocenter Count: 0; (15)Covalently-Bonded Unit Count: 2.
When you are dealing with this chemical, you should be very careful. This chemical causes damage to health at low levels and it is toxic if swallowed. It may cause inflammation to the skin or other mucous membranes and may present an immediate or delayed danger to one or more components of the environment. In addition, it is very toxic to aquatic organisms and may cause long-term adverse effects in the aquatic environment. Therefore, you should avoid releasing to the environment. This material and its container must be disposed of as hazardous waste. When using you can not eat, drink or smoke. In case of accident or if you feel unwell seek medical advice immediately.
You can still convert the following datas into molecular structure:
(1) SMILES: C(#N)[Se-].[K+]
(2) InChI: InChI=1S/CHNSe.K/c2-1-3;/h3H;/q;+1/p-1
(3) InChIKey: KYEKHFSRAXRJBR-UHFFFAOYSA-M
The toxicity data is as follows:
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
guinea pig | LD50 | skin | 50mg/kg (50mg/kg) | SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE" | National Technical Information Service. Vol. OTS0536978, |
mouse | LD50 | intraperitoneal | 25mg/kg (25mg/kg) | BEHAVIORAL: TREMOR BEHAVIORAL: IRRITABILITY KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION | National Technical Information Service. Vol. OTS0536978, |
mouse | LD50 | oral | 25mg/kg (25mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION | National Technical Information Service. Vol. OTS0536978, |
rat | LD50 | oral | 10mg/kg (10mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" KIDNEY, URETER, AND BLADDER: OTHER CHANGES IN URINE COMPOSITION | National Technical Information Service. Vol. OTS0536978, |
rat | LDLo | intraperitoneal | 200mg/kg (200mg/kg) | National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. Vol. 5, Pg. 28, 1953. |