Product Name

  • Name

    Sodium cyanate

  • EINECS 213-030-6
  • CAS No. 917-61-3
  • Article Data140
  • CAS DataBase
  • Density 1.937 g/cm3
  • Solubility 110 g/L (20 °C) in water
  • Melting Point 550 °C
  • Formula NaOCN
  • Boiling Point 23.5 °C at 760 mmHg
  • Molecular Weight 65.0069
  • Flash Point
  • Transport Information
  • Appearance white powder or crystals
  • Safety 24/25-61
  • Risk Codes 22-52/53
  • Molecular Structure Molecular Structure of 917-61-3 (Sodium cyanate)
  • Hazard Symbols HarmfulXn
  • Synonyms Cyanicacid, sodium salt (8CI,9CI);Sodium cyanate (6CI,7CI);Sodium cyanate (NaOCN);Sodium isocyanate;Zassol;
  • PSA 46.85000
  • LogP -0.10202

Synthetic route

[NaNV(N(3,5-Me2C6H3)(t-Bu))3]2 complex

[NaNV(N(3,5-Me2C6H3)(t-Bu))3]2 complex

carbon monoxide
201230-82-2

carbon monoxide

A

V(N(3,5-Me2C6H3)(t-Bu))3

V(N(3,5-Me2C6H3)(t-Bu))3

B

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
In tetrahydrofuran 1 atm of CO, THF, 23°C, 24 h; extd. with hexane, filtered, concd., the filtrate was stored at -35°C;A 71%
B 77%
...Expand
sodium carbonate
497-19-8

sodium carbonate

urea
57-13-6

urea

A

sodium isocyanate
917-61-3

sodium isocyanate

B

sodium allophanate
26597-39-7

sodium allophanate

Conditions
ConditionsYield
at 140℃; for 2h; Product distribution; Thermodynamic data; var. time, var. temp., activation energy;A 66.1%
B 15.2%
...Expand
ammonium cyanate
22981-32-4

ammonium cyanate

sodium hydroxide
1310-73-2

sodium hydroxide

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
In ethanol react. of soln. of NaOH and NH4OCN (suspn., excess) at 10°C; pptn.;; washing with ethanol, then with ether;;61%
In ethanol react. of soln. of NaOH and NH4OCN (suspn., excess) at 10°C; pptn.;; washing with ethanol, then with ether;;61%
carbamic acid-(3-chloro-propyl ester)
6326-12-1

carbamic acid-(3-chloro-propyl ester)

sodium ethanolate
141-52-6

sodium ethanolate

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With sodium hypochlorite
With sodium hypochlorite

sodium methylate
124-41-4

sodium methylate

urea
57-13-6

urea

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
In methanol byproducts: NH3; boiling soln. of educts at 105°C under pressure and reflux; evapn. of NH3 by an outlet;; low Na2CO3 content;;
In methanol byproducts: NH3; heating CH3ONa soln. and dried urea with stirring up to boiling; heating at 120°C, 2-3h;; impurity 0.5-1.5% Na2CO3;;
With methanol at 105℃;
In methanol byproducts: NH3; boiling soln. of educts at 105°C under pressure and reflux; evapn. of NH3 by an outlet;; low Na2CO3 content;;
In methanol byproducts: NH3; heating CH3ONa soln. and dried urea with stirring up to boiling; heating at 120°C, 2-3h;; impurity 0.5-1.5% Na2CO3;;
urea
57-13-6

urea

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With sodium hydroxide; potassium nitrate at 89.9℃; Rate constant; Thermodynamic data; Mechanism; ΔG(excit.), ΔH(excit.), ΔS(excit.), Ea, var. pH;
With sodium nitrite at 530℃;
With sodium hypobromide
With sodium amalgam In neat (no solvent) strongly mixing educts at 140-200°C;;
With sodium; toluene at 110℃; und Erhitzen des vom Toluol befreiten Reaktionsgemisches auf 165grad;
urethane

urethane

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With sodium; benzene
carbamate sodium

carbamate sodium

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
beim Gluehen;
calcium cyanamide
156-62-7

calcium cyanamide

Na2CO3

Na2CO3

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
at 500℃;
at 500℃;
urea
57-13-6

urea

NaH

NaH

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
at 140℃;
at 140℃;
urea
57-13-6

urea

NaNH2

NaNH2

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
at 140℃;
at 140℃;
NH3

NH3

CO2

CO2

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With carbon monoxide at 650℃; in Schmelzen aus Natriumcyanat und Na2S oder Na2CO3;
at 650℃; in Schmelzen aus Natriumcyanat und Na2S oder Na2CO3;
sodium carbonate

sodium carbonate

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With ammonia bei Dunkelrotglut;
With ammonia bei Dunkelrotglut;
urea
57-13-6

urea

sodium carbonate

sodium carbonate

sodium isocyanate
917-61-3

sodium isocyanate

CO2

CO2

NH3

NH3

sodium carbonate

sodium carbonate

sodium isocyanate
917-61-3

sodium isocyanate

Conditions
ConditionsYield
With copper at 650℃;
...Expand
urea
57-13-6

urea

sodium hydrogencarbonate

sodium hydrogencarbonate

sodium isocyanate
917-61-3

sodium isocyanate

CO2

CO2

NH3

NH3

Conditions
ConditionsYield
With magnesium oxide at 650℃;
...Expand

Sodium cyanate Chemical Properties

MF: CNO.Na
MW: 65.01
EINECS: 213-030-6
Product Categories: Catalysis and Inorganic Chemistry;Chemical Synthesis
Mol File: 917-61-3.mol
mp：  550 °C 
density：  1,937 g/cm3
Water Solubility：  110 g/L (20 oC)
Merck：  14,8604
BRN：  3594963
CAS DataBase Reference： 917-61-3(CAS DataBase Reference)
EPA Substance Registry System： 917-61-3(EPA Substance)
The structure of Sodium cyanate is: 

          

Sodium cyanate Toxicity Data With Reference

1、RTECS#: CAS# 917-61-3: GS7000000
2、LD50/LC50: RTECS: CAS# 917-61-3: Oral, rat: LD50 = 1500 mg/kg;
3、Carcinogenicity: Sodium cyanate - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: See actual entry in RTECS for complete information. The toxicological properties have not been fully investigated. 

Sodium cyanate Consensus Reports

Sodium cyanate is reported in EPA TSCA Inventory.

Sodium cyanate Safety Profile

Hazard Codes：  Xn
WGK Germany：  1
RTECS：  GS7000000
HS Code：  28380000
Risk Statements：  Harmful if swallowed；Harmful to aquatic organisms；May cause long-term adverse effects in the aquatic environment 
Safety Statements： Avoid contact with skin；Avoid contact with eyes；Avoid release to the environment. Refer to special instructions safety data sheet

Sodium cyanate Specification

1、Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
2、Handling and Storage
Storage：Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling：Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

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