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| CAS No.: | 2092-16-2 |
|---|---|
| Name: | Calcium thiocyanate |
| Article Data: | 38 |
| Molecular Structure: | |
|
|
|
| Formula: | Ca(SCN)2 |
| Molecular Weight: | 156.245 |
| Synonyms: | Calciumthiocyanate (6CI,7CI);Thiocyanic acid, calcium salt (8CI,9CI);Calciumdiisothiocyanate;Calcium dithiocyanate;Calcium rhodanate;Calciumsulfocyanate;Calcium thiocyanate (Ca(SCN)2);Thiocyan; |
| EINECS: | 218-244-3 |
| Density: | 1.36 g/cm3(Temp: 70 °C) |
| Melting Point: | 42.5-46.5 °C(lit.) |
| Boiling Point: | 146 °C at 760 mmHg |
| Flash Point: | 42.1 °C |
| Solubility: | very soluble H2O; soluble methanol, ethanol, acetone [MER06] |
| Appearance: | white powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 20/21/22-32-52/53 |
| Safety: | 13-61 |
| Transport Information: | UN 2811 6.1/PG 3 |
| PSA: | 98.18000 |
| LogP: | 1.32996 |
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Chemistry
Molecular Formula: Ca(SCN)2
Molar mass: 156.24 g/mol
EINECS: 218-244-3
Flash Point: 42.1 °C
Boiling Point: 146 °C at 760 mmHg
Vapour Pressure: 4.73 mmHg at 25°C
Melting point: 42.5-46.5 °C(lit.)
Decomposition: 160 ºC
Appearance: White hygroscopic crystals or powder
Solubility: soluble in water, alcohol, acetone
Structure of Calcium thiocyanate (2092-16-2):
H-Bond Donor: 0
H-Bond Acceptor: 4
Systematic Name: Calcium dithiocyanate
SMILES: [Ca+2].[S-]C#N.[S-]C#N
InChI: InChI=1/2CHNS.Ca/c2*2-1-3;/h2*3H;/q;;+2/p-2
InChIKey: RLDQYSHDFVSAPL-NUQVWONBAC
Std. InChI: InChI=1S/2CHNS.Ca/c2*2-1-3;/h2*3H;/q;;+2/p-2
Std. InChIKey: RLDQYSHDFVSAPL-UHFFFAOYSA-L
Uses
Calcium thiocyanate (2092-16-2) is mainly used in pesticide, medicine, electroplating, textile and construction industries.Such as: solvents of cellulose and polyacrylate , foam agent of paper, fabric, extracting soy protein, processing cellulose acetate to improve the fiber structure and so on.
Production
Can take the double decomposition of ammonium thiocyanate solution and calcium hydroxide solution, then, in the ammonia solution, have them being isolated after the crystallization .At last, get Calcium thiocyanate (2092-16-2).Like:
2NH4SCN + Ca (OH) 2 → Ca (SCN) 2 +3 H2O +2 NH3 ↑
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LDLo | oral | 120mg/kg (120mg/kg) | Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 169, Pg. 429, 1933. | |
| rabbit | LDLo | intravenous | 240mg/kg (240mg/kg) | PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY) | Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 169, Pg. 429, 1933. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Poison by ingestion and intravenous routes. See also THIOCYANATES and CALCIUM COMPOUNDS. When heated to decomposition it emits toxic fumes of NOx and SOx.
Hazard Codes: Xn.gif){kind=small}
Risk Statements:
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
32: Contact with acids liberates very toxic gas
52: Harmful to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements:
13: Keep away from food, drink and animal feeding stuffs
61: Avoid release to the environment. Refer to special instructions safety data sheet
Specification
Calcium thiocyanate (2092-16-2) also can be called Calcium dithiocyanate ; Calcium rhodanate ; Thiocyan ; Calciumrhodanid ; Calcium sulfocyanate .