Potassium selenocyanate supplier

Name
Potassium selenocyanate
EINECS 222-320-1
CAS No. 3425-46-5
Article Data45
CAS DataBase
Density 2.347 g/cm³
Solubility Soluble in water, ethanol, dimethyl formamide, hexamethylphosphoramide, acetonitrile and methanol. Slightly soluble in terahydrofuran.
Melting Point 147 °C
Formula CKNSe
Boiling Point 134.2oC at 760 mmHg
Molecular Weight 144.076
Flash Point 35oC
Transport Information UN 3283 6.1/PG 2
Appearance white to light beige crystalline powder or needles
Safety 20/21-28-45-60-61
Risk Codes 23/25-33-50/53
Molecular Structure
Hazard Symbols T,N
Synonyms Selenocyanic acid, potassium salt;
PSA 23.79000
LogP -0.36402

Synthetic route

: potassium cyanide

: 3425-46-5
potassium selenocyanate

Conditions

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

: potassium cyanide

: selenium

: 3425-46-5
potassium selenocyanate

Conditions

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%

: 151-50-8
potassium cyanide

: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
With selenium; water
With selenium at 150 - 160℃; Aufnehmen der Schmelze in Aceton und Einleiten von CO2;
With selenium; ammonia

potassium ferro cyanide: potassium ferro cyanide

: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
With selenium

: 7782-49-2
selenium

: potassium ferrocyanide

: 3425-46-5
potassium selenocyanate

Conditions

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;

: potassium cyanide

: 7782-49-2
selenium

A: potassium selenide

B: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
In melt under H2;;

...Expand

: potassium cyanide

: 7782-49-2
selenium

: 3425-46-5
potassium selenocyanate

Conditions

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.;;

: Hg3O2SeO4=HgSeO4*2HgO

A: 3425-46-5
potassium selenocyanate

B: mercury

Conditions

Conditions	Yield
With potassium cyanide strong, dry heating;
With KCN strong, dry heating;

: potassium polyselenide

A: potassium polyselenide

B: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
With potassium cyanide In ammonia room temp.;
With KCN In ammonia NH3 (liquid); room temp.;

: potassium cyanide

: selenium

: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
In water byproducts: K2CO3; removing of K2CO3 with alcohol;
in alcohol;
In water byproducts: K2CO3; removing of K2CO3 with alcohol;

: potassium cyanide

: 42555-29-3
monoselenotetrathionate(2-)

: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
With water In not given byproducts: S2O3(2-), SO4(2-), HCN; reaction with KCN;;

: 590-28-3
potassium cyanate

: 7782-49-2
selenium

: 3425-46-5
potassium selenocyanate

Conditions

Conditions	Yield
In methanol for 0.5h;

: 3425-46-5
potassium selenocyanate

: 163592-75-4
(3aR,5S,6aR)-5-((R)-2,2-Dioxo-2λ6-[1,3,2]dioxathiolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

: 6-Se-cyano-3-deoxy-1,2-O-isopropylidene-6-seleno-5-O-sulfo-α-D-ribohexofuranose potassium salt

Conditions

Conditions	Yield
In acetone Ambient temperature;	100%
In acetone Ambient temperature;

: 3425-46-5
potassium selenocyanate

: 163592-76-5
(3aR,5S,6R,6aR)-6-Azido-5-((R)-2,2-dioxo-2λ6-[1,3,2]dioxathiolan-4-yl)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxole

: 3-azido-6-Se-cyano-3-deoxy-1,2-O-isopropylidene-6-seleno-5-O-sulfo-α-D-allofuranose potassium salt

Conditions

Conditions	Yield
In acetone Ambient temperature;	100%
In acetone Ambient temperature;

: 3425-46-5
potassium selenocyanate

: 158946-12-4
3-O-benzyl 1,2-O-isopropylidene-5,6-O-sulfuryl-α-D-glucofuranose

: 3-O-benzyl-6-Se-cyano-1,2-O-isopropylidene-6-seleno-5-O-sulfo-α-D-glucofuranose potassium salt

Conditions

Conditions	Yield
In acetone Ambient temperature;	100%
In acetone Ambient temperature;

: 3425-46-5
potassium selenocyanate

: 3433-80-5
1-Bromo-2-bromomethyl-benzene

: 57239-50-6
(2-bromophenyl)methaneselenenyl cyanide

Conditions

Conditions	Yield
In ethanol for 0.166667h;	100%

: 3425-46-5
potassium selenocyanate

: 874-60-2
4-methyl-benzoyl chloride

: 93515-65-2
p-toluoyl isoselenocyanate

Conditions

Conditions	Yield
In acetone at 25℃; for 0.166667h;	100%
In tetrahydrofuran at 20℃; for 0.166667h;
In acetone at 20℃; for 0.166667h;

: 1426142-02-0
[Cp*Ru(η6-C6H5P(p-C6H4CF3)2)][OTf]

: 3425-46-5
potassium selenocyanate

: 1426142-25-7
[Cp*Ru(η6-C6H5P(p-C6H4CF3)2)Se][OTf]

Conditions

Conditions	Yield
In methanol at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;	100%

: 1426141-81-2
[Cp*Ru(η6-C6H5P(p-tol)2)][OTf]

: 3425-46-5
potassium selenocyanate

: 1426142-10-0
[Cp*Ru(η6-C6H5P(p-tol)2Se)][OTf]

Conditions

Conditions	Yield
In methanol at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;	100%

: 1426141-82-3
[Cp*Ru(η6-p-MeC6H5P(p-tol)2)][OTf]

: 3425-46-5
potassium selenocyanate

: 1426142-14-4
[Cp*Ru(η6-p-MeC6H5P(p-tol)2Se)][OTf]

Conditions

Conditions	Yield
In methanol at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;	100%

: 1426141-84-5
[Cp*Ru(η6-p-MeOC6H5P(p-tol)2)][OTf]

: 3425-46-5
potassium selenocyanate

: 1426142-18-8
[Cp*Ru(η6-p-MeOC6H5P(p-tol)2Se)][OTf]

Conditions

Conditions	Yield
In methanol at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;	100%

: 1426141-86-7
[Cp*Ru(η6-o-MeC6H5P(p-tol)2)][OTf]

: 3425-46-5
potassium selenocyanate

: 1426142-22-4
[Cp*Ru(η6-o-MeC6H5P(p-tol)2Se)][OTf]

Conditions

Conditions	Yield
In methanol at 20℃; for 0.5h; Schlenk technique; Inert atmosphere;	100%

: 815-52-1
2-bromopentan-3-one

: 3425-46-5
potassium selenocyanate

: α-Selenocyandiethylketon

Conditions

Conditions	Yield
In acetone for 12h; Ambient temperature;	99%

: 3425-46-5
potassium selenocyanate

: 824-94-2
p-methoxybenzyl chloride

: 72552-08-0
1-methoxy-4-(selenocyanatomethyl)benzene

Conditions

Conditions	Yield
for 1h; Inert atmosphere; Milling;	99%
In tetrahydrofuran at 20℃; for 10h;	97%
In ethanol for 5h; Ambient temperature;	77%
In acetonitrile at 20℃; for 16h;

: 95-20-5
2-methyl-1H-indole

: 3425-46-5
potassium selenocyanate

: 1130-89-8
2-methyl-3-selenocyanato-1H-indole

Conditions

Conditions	Yield
With dipotassium peroxodisulfate In 1,2-dichloro-ethane at 20℃; for 2h; regioselective reaction;	99%
With ammonium cerium(IV) nitrate In methanol at 0℃;	80%

: 3425-46-5
potassium selenocyanate

: 613-54-7
2-Bromo-2'-acetonaphthone

: 1-(β-naphthyl)-2-selenocyanatoethanone

Conditions

Conditions	Yield
In acetone at 60℃; for 5h;	99%

: 73641-91-5
2-bromo-11-undecanol

: 3425-46-5
potassium selenocyanate

: 11-selenocyanatoundecan-1-ol

Conditions

Conditions	Yield
In acetone at 60℃; for 5h;	99%

: 403-42-9
1-(4-fluorophenyl)ethanone

: 3425-46-5
potassium selenocyanate

: 1-(4-fluorophenyl)-2-selenocyanatoethan-1-one

Conditions

Conditions	Yield
Stage #1: potassium selenocyanate With hydrogenchloride; sodium nitrite In water; acetonitrile for 0.333333h; Cooling with ice; Stage #2: 1-(4-fluorophenyl)ethanone In water; acetonitrile at 20℃; for 48h;	99%
With tert.-butylhydroperoxide; iodine; potassium acetate In acetonitrile at 90℃; for 12h;	80%

: 88-15-3
2-Acetylthiophene

: 3425-46-5
potassium selenocyanate

: 119897-93-7
2-selenocyanato-1-(thiophen-2-yl)ethan-1-one

Conditions

Conditions	Yield
Stage #1: potassium selenocyanate With hydrogenchloride; sodium nitrite In water; acetonitrile for 0.333333h; Cooling with ice; Stage #2: 2-Acetylthiophene In water; acetonitrile at 20℃; for 48h;	99%
With tert.-butylhydroperoxide; iodine; potassium acetate In acetonitrile at 90℃; for 12h;	86%

: 1112152-67-6
2-(bromomethyl)-1,3-thiaselenole

: 3425-46-5
potassium selenocyanate

: 1,3-thiaselenol-2-ylmethyl selenocyanate

Conditions

Conditions	Yield
In acetonitrile for 7h; regioselective reaction;	99%
In acetonitrile at 20 - 25℃; for 0.0833333h;	274 mg

: 3425-46-5
potassium selenocyanate

: 922-67-8
propynoic acid methyl ester

: methyl 3-selenocyanatoacrylate

Conditions

Conditions	Yield
With LACTIC ACID In water for 0.5h; Sonication; Green chemistry;	99%

: S-methyl thiopropynoate

: 3425-46-5
potassium selenocyanate

: C5H5NOSSe

Conditions

Conditions	Yield
With LACTIC ACID; water for 0.5h; Sonication; Green chemistry;	99%
In water for 0.583333h; Reagent/catalyst; Sonication;

: 3425-46-5
potassium selenocyanate

: 823-76-7
Cyclohexyl methyl ketone

: 1-cyclohexyl-2-selenocyanatoethanone

Conditions

Conditions	Yield
Stage #1: potassium selenocyanate With hydrogenchloride; sodium nitrite In water; acetonitrile for 0.333333h; Cooling with ice; Stage #2: Cyclohexyl methyl ketone In water; acetonitrile at 20℃; for 48h; regioselective reaction;	99%

: 3425-46-5
potassium selenocyanate

: 151-10-0
1,3-Dimethoxybenzene

: 2,4-dimethoxy-1-selenocyanatobenzene

Conditions

Conditions	Yield
Stage #1: potassium selenocyanate With hydrogenchloride; sodium nitrite In water; acetonitrile for 0.333333h; Cooling with ice; Stage #2: 1,3-Dimethoxybenzene In water; acetonitrile at 20℃; for 48h;	99%

: 578-58-5
2-methylmethoxybenzene

: 3425-46-5
potassium selenocyanate

: 2-methyl-4-selenocyanoanisole

Conditions

Conditions	Yield
Stage #1: potassium selenocyanate With hydrogenchloride; sodium nitrite In water; acetonitrile for 0.333333h; Cooling with ice; Stage #2: 2-methylmethoxybenzene In water; acetonitrile at 20℃; for 48h;	99%

: C23H24ClNO7

: 3425-46-5
potassium selenocyanate

: C24H24N2O7Se

Conditions

Conditions	Yield
In acetonitrile at 80℃; for 0.0833333h;	99%

: 623-24-5
1,4-bis(bromomethyl)benzene

: 3425-46-5
potassium selenocyanate

: 85539-83-9
1,4-bis(selenocyanatomethyl)benzene

Conditions

Conditions	Yield
In acetone for 4h; Ambient temperature;	98%
In N,N-dimethyl-formamide for 0.75h; Inert atmosphere;	96%
In acetone at 20℃; for 4h; Inert atmosphere;	95.1%

: 7703-74-4
2,6-bis-(bromomethyl)pyridine

: 3425-46-5
potassium selenocyanate

: 85539-82-8
2,6-bis(selenocyanatomethyl)pyridine

Conditions

Conditions	Yield
In acetone Ambient temperature;	98%
In acetone for 4h; Ambient temperature;	98%

: 100-39-0
benzyl bromide

: 3425-46-5
potassium selenocyanate

: 4671-93-6
benzyl selenocyanate

Conditions

Conditions	Yield
In acetone at 60℃; for 4h;	98%
In N,N-dimethyl-formamide at 20℃; for 0.0833333h; Schlenk technique;	98%
for 1h; Inert atmosphere; Milling;	97%

: 1224-13-1
triphenyltelluronium chloride

: 3425-46-5
potassium selenocyanate

: triphenyltelluronium selenocyanate

Conditions

Conditions	Yield
In water at 50℃; for 0.25h;	98%

: 43153-20-4
5,5-bis-bromomethyl-2,2-dimethyl-[1,3]dioxane

: 3425-46-5
potassium selenocyanate

: 5,5-bis(selenocyanatomethyl)-2,2-dimethyl-l,3-dioxane

Conditions

Conditions	Yield
In acetone for 10h; Inert atmosphere; Schlenk technique; Reflux;	98%
In acetone for 336h; Reflux;

: 16958-73-9
1.3-dibromo-2-thiapropane

: 3425-46-5
potassium selenocyanate

: 1413931-43-7
bis(selenocyanatomethyl)sulfide

Conditions

Conditions	Yield
In acetone Inert atmosphere; Schlenk technique; Reflux;	98%

Potassium selenocyanate Consensus Reports

Cyanide and its compounds, as well as selenium and its compounds, are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Potassium selenocyanate Standards and Recommendations

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

Potassium selenocyanate Specification

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.

Product Name

Potassium selenocyanate

Synthetic route

Potassium selenocyanate Consensus Reports

Potassium selenocyanate Standards and Recommendations

Potassium selenocyanate Specification

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