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Basic Information
| CAS No.: | 917-61-3 |
|---|---|
| Name: | Sodium cyanate |
| Molecular Structure: | |
|
|
|
| Formula: | NaOCN |
| Molecular Weight: | 65.0069 |
| Synonyms: | Cyanicacid, sodium salt (8CI,9CI);Sodium cyanate (6CI,7CI);Sodium cyanate (NaOCN);Sodium isocyanate;Zassol; |
| EINECS: | 213-030-6 |
| Density: | 1.937 g/cm3 |
| Melting Point: | 550 °C |
| Boiling Point: | 23.5 °C at 760 mmHg |
| Solubility: | 110 g/L (20 °C) in water |
| Appearance: | white powder or crystals |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-52/53 |
| Safety: | 24/25-61 |
| PSA: | 46.85000 |
| LogP: | -0.10202 |
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Synthetic route
- 201230-82-2
carbon monoxide
B
- 917-61-3
sodium isocyanate
Conditions
| Conditions | Yield |
|---|---|
| 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
Conditions
| Conditions | Yield |
|---|---|
| at 140℃; for 2h; Product distribution; Thermodynamic data; var. time, var. temp., activation energy; | A 66.1% B 15.2% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| 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% |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hypochlorite | |
| With sodium hypochlorite |
Conditions
| Conditions | Yield |
|---|---|
| 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;; |
Conditions
| Conditions | Yield |
|---|---|
| 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; |
- 917-61-3
sodium isocyanate
Conditions
| Conditions | Yield |
|---|---|
| With sodium; benzene |
- 917-61-3
sodium isocyanate
Conditions
| Conditions | Yield |
|---|---|
| beim Gluehen; |
Raw Materials
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Sodium cyanate
Chemistry
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:
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.
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.
Consensus Reports
Sodium cyanate is reported in EPA TSCA Inventory.
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
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
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.
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.