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Guanidine thiocyanate

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Name

Guanidine thiocyanate

EINECS 209-812-1
CAS No. 593-84-0 Density 1.103 g/mL at 20 °C
PSA 138.48000 LogP 0.73618
Solubility H2O: 6 M at 20 °C, clear, colorless Melting Point 120-122 °C(lit.)
Formula C2H6N4S Boiling Point 132.9 °C at 760 mmHg
Molecular Weight 118.162 Flash Point 34.2 °C
Transport Information UN 1759 Appearance White cryst. powder
Safety 36/37-61-13-36-26 Risk Codes 20/21/22-32-52/53-36/37/38
Molecular Structure Molecular Structure of 593-84-0 (Guanidine thiocyanate) Hazard Symbols HarmfulXn, ToxicT
Synonyms

Isothiocyanic acid, compd. with guanidine (1:1);

Article Data 36

Guanidine thiocyanate Synthetic route

ammonium thiocyanate

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
In melt 55 part of dicyanodiamide reacted with 100 part of NH4SCN;90%
In melt 55 part of dicyanodiamide reacted with 100 part of NH4SCN;90%
108-78-1

2,4,6-triamino-s-triazine

1147550-11-5

ammonium thiocyanate

593-84-0

guanidinium thiocyanate

420-04-2

CYANAMID

1147550-11-5

ammonium thiocyanate

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
at 100℃;
1147550-11-5

ammonium thiocyanate

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
at 190℃;
at 195 - 212℃;
1147550-11-5

ammonium thiocyanate

127099-85-8, 780722-26-1

N-Cyanoguanidine

593-84-0

guanidinium thiocyanate

75-15-0

carbon disulfide

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
at 250℃;
17356-08-0

thiourea

A

7783-06-4

hydrogen sulfide

B

593-84-0

guanidinium thiocyanate

C

7664-41-7

ammonia

D

CS2

CS2

Conditions
ConditionsYield
at 195 - 230℃; under 760 Torr; Reaktion des Gleigewichtsgemisches Thioharnstoff-Ammoniumrhodanid; Produkt5:HSCN;
at 173℃; under 60 Torr; Reaktion des Gleigewichtsgemisches Thioharnstoff-Ammoniumrhodanid; Produkt5:HSCN;
110-86-1

pyridine

17356-08-0

thiourea

A

7783-06-4

hydrogen sulfide

B

593-84-0

guanidinium thiocyanate

C

trithiocarbonate ammonium(?)

trithiocarbonate ammonium(?)

75-15-0

carbon disulfide

ammonia

ammonia

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
at 200 - 350℃;
463-58-1

carbon oxide sulfide

ammonia

ammonia

593-84-0

guanidinium thiocyanate

Conditions
ConditionsYield
at 250℃;

Guanidine thiocyanate Chemical Properties

Molecular structure of Guanidine thiocyanate (CAS NO.593-84-0) is:

Product Name: Guanidine thiocyanate
CAS Registry Number: 593-84-0
IUPAC Name: guanidine ; thiocyanic acid
Molecular Weight: 118.16084 [g/mol]
Molecular Formula: C2H6N4S
H-Bond Donor: 3
H-Bond Acceptor: 4 
EINECS: 209-812-1
Melting Point: 120-122 °C(lit.)
Refractive index: n20/D 1.482
Storage temp.: Store at RT.
Solubility: H2O: 6 M at 20 °C, clear, colorless
Flash Point: 34.2 °C
Enthalpy of Vaporization: 37.04 kJ/mol
Boiling Point: 132.9 °C at 760 mmHg
Vapour Pressure: 8.67 mmHg at 25°C 
Stability: Stability Stable, but light sensitive. Incompatible with acids (contact releases very toxic gas), strong oxidising agents.
Product Categories: Pharmaceutical Intermediates;Sulphur Derivatives

Guanidine thiocyanate Uses

 Guanidine thiocyanate (CAS NO.593-84-0) is mainly used in chemical reagent, biological medicine, etc.It is also used as a general protein denaturant, which is presumably the mechanism for its aforementioned application in humans. And it can be used to lyse cells and virus particles in RNA and DNA extractions, where its function, in addition to its lysing action is to prevent activity of RNase enzymes and DNase enzymes by denaturing them.

Guanidine thiocyanate Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 300mg/kg (300mg/kg)   National Technical Information Service. Vol. AD277-689,

Guanidine thiocyanate Consensus Reports

Reported in EPA TSCA Inventory.

Guanidine thiocyanate Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx, CN, and SOx. See also THIOCYANATES.
Hazard Codes: HarmfulXn,ToxicT
Risk Statements: 20/21/22-32-52/53-36/37/38 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed. 
R32:Contact with acid liberates very toxic gas. 
R52/53:Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 36/37-61-13-36-26 
S36/37:Wear suitable protective clothing and gloves. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S13:Keep away from food, drink and animal foodstuffs. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
RIDADR: 1759
WGK Germany: 2
RTECS: XL1225000
F: 3-10
HazardClass: 8
PackingGroup: III
HS Code: 29252000

Guanidine thiocyanate Specification

 Guanidine thiocyanate , its cas register number is 593-84-0. It also can be called Guanidine, monothiocyanate ; Guanidinium thiocyanate ; Isothiocyanic acid, compd. with guanidine (1:1) (VAN) .It is a white powder.

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