Guanidine thiocyanate
- Iupac Name：guanidine;thiocyanic acid
- CAS No.: 593-84-0
- Molecular Weight：118.16
- Modify Date.: 2022-12-08 15:38
1. Names and Identifiers
- 1.1 Name
- Guanidine thiocyanate
- 1.2 Synonyms
GTC GUANIDINE HYDROTHIOCYANATE GUANIDINE MONOTHIOCYANATE GUANIDINE RHODANIDE GUANIDINIUM ISOTHIOCYANATE
- 1.3 CAS No.
- 593-84-0
- 1.4 CID
- 65046
- 1.5 EINECS(EC#)
- 209-812-1
- 1.6 Molecular Formula
- CH5N3.CHNS (isomer)
- 1.7 Inchi
- ZJYYHGLJYGJLLN-UHFFFAOYSA-N
- 1.8 InChkey
- ZJYYHGLJYGJLLN-UHFFFAOYSA-N
- 1.9 Canonical Smiles
- SC#N.NC(N)=N
- 1.10 Isomers Smiles
- SC#N.NC(N)=N
2. Properties
- 2.1 Density
- 1.103?g/mL?at 20?°C
- 2.1 Melting point
- 120-122?°C(lit.)
- 2.1 pKa
- 12.5[at 20 ℃]
- 2.2 StorageTemp
- 20-25°C
3. Safety and Handling
- 3.1 Hazard Codes
- Xn,T,C
- 3.1 Risk Statements
- 20/21/22-32-52/53-36/37/38-34
- 3.1 Safety Statements
- 36/37-61-13-36-26-45-36/37/39
- 3.1 RIDADR
- 1759
- 3.1 WGK Germany
- 2
- 3.1 RTECS
- XL1225000
4. MSDS
2.Hazard identification
2.1 Classification of the substance or mixture
Acute toxicity - Oral, Category 4
Acute toxicity - Dermal, Category 4
Acute toxicity - Inhalation, Category 4
Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3
2.2 GHS label elements, including precautionary statements
| Pictogram(s) |  |
| Signal word | Warning |
| Hazard statement(s) | H302 Harmful if swallowed H312 Harmful in contact with skin H332 Harmful if inhaled H412 Harmful to aquatic life with long lasting effects |
| Precautionary statement(s) | |
| Prevention | P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. |
| Response | P301+P312 IF SWALLOWED: Call a POISON CENTER/doctor/\u2026if you feel unwell. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P312 Call a POISON CENTER/doctor/\u2026if you feel unwell. P321 Specific treatment (see ... on this label). P362+P364 Take off contaminated clothing and wash it before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
| Storage | none |
| Disposal | P501 Dispose of contents/container to ... |
2.3 Other hazards which do not result in classification
none
6. Synthesis Route
593-84-0Total: 11 Synthesis Route
8. Other Information
- 8.0 BRN
- 3563461
- 8.1 Description
- Guanidine thiocyanate is one of the cheapest and easiest to prepare of the guanidine salts. Guanidine Thiocyanate is an ultrapure, molecular biology grade reagent. It is free of detectable nuclease and protease activity and is a strong protein denaturant, as both the guanidinium cation and the thiocyanate anion are chaotropic agents. It is provided in one bottle containing 500 g. It is recommended for isolation of RNA, especially for tissues such as pancreas with high levels of RNase activity. In solution, it is known as guanidinium thiocyanate. Guanidine Thiocyanate is thoroughly tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity.
- 8.2 Uses
- Guanidine thiocyanate is a potent protein denaturant (stronger than guanidine HCl) often used in the isolation of intact ribonucleic acid to eliminate RNase activity. RNase can recover activity after boiling, but is irreversibly inactivated in a 4 M solution of guanidine thiocyanate. Such solutions, to which the reducing agent b-mercaptoethanol is often added, are used to inactivate RNAse when isolating RNA from tissues that are rich in RNase, such as liver. Total nuclear and cytoplasmic RNA may be isolated this way. A protocol for extracting RNA with guanidine isothiocyanate has been published.
In the presence of guanidine thiocyanate, proteins dissolve readily, cellular structures disintegrate and nucleoproteins dissociate from nucleic acids, as protein secondary structure is lost.
- 8.3 Biochem/physiol Actions
- Guanidine thiocyanate is a denaturing agent and is used routinely in RNA isolation. It is used as a storage buffer for whole blood samples. Guanidine thiocyanate inactivates nucleases and is ideal for storing and freezing fecal samples for DNA studies. It is used in combination with phenol?chloroform in RNA extraction.
- 8.4 Toxicity evaluation
- Guanidine thiocyanate is used commercially as a disinfectant and a general protein denaturant but its more common use is in the extraction of DNA and RNA in molecular biology. Нere are no reports of guanidine thiocyanate toxicity from oral ingestion. Toxicity of di??erent thiocyanate compounds other than guanidine thiocyanate has been described. Potassium thiocyanate was used over 50 years ago for the treatment of hypertension and its toxicity appears to cause a neurological disorder consisting of generalized weakness, delirium and a decrease level of consciousness. Reports of thiocyanate toxicity from nitroprusside use for hypertension in the setting of renal impairment/failure have also been reported as thiocyanate is renally cleared. In a fatal deliberate ingestion of a herbicide which contained ammonium thiocyanate and aminotriazole, a 54 year old man presented with coma and cardiovascular collapse although the relative contributions of the two herbicides to the clinical toxicity is unknown.
- 8.5 Chemical Properties
- White cryst.powder
- 8.6 Uses
- Potent protein denaturant used in isolation of intact DNA, RNA.
- 8.7 Uses
- Guanidine thiocyanate is a useful tool for RNA isolation and protein solubilization. It is involved in the quantification of mRNA from hepatocytes. It acts as a medium for blood smaple lystae in order to maintain the integrity of nucleic acid. It is a chaotropic agent, mainly involved in the extraction of DNA and RNA. It is utilized to deactivate the influenza virus.
- 8.8 Uses
- Guanidine thiocyanate has been used as a component of the stabilization buffer for RNA lysis. It can be used for deactivation of endogenous RNases leading to denaturation of nucleoprotein complexes. It is also suitable for denaturation of macromolecules such as nucleic acids and proteins and for RNA isolation.
- 8.9 General Description
- Guanidine thiocyanate is chaotropic salts which lyse cells and along with nuclease binding matrix it is also seen to inhibit nuclease activity during extraction of DNA. It works as a strong RNase inhibitor in extraction buffers.
- 8.10 Hazard
- Irritant.
- 8.11 Flammability and Explosibility
- Notclassified
- 8.12 Biochem/physiol Actions
- Guanidine thiocyanate (GTC) plays a role in protein denaturation. It is involved in separation of ribosomal ribonucleic acid (rRNA) from ribosomes and denatures ribonuclease (RNase). GTC has been studied in the unfolding and refolding of fluorescent proteins (FP). It can be used along with phenol and chloroform for extraction of RNA.
9. Computational chemical data
- Molecular Weight: 118.16g/mol
- Molecular Formula: CH5N3.CHNS
- Compound Is Canonicalized: True
- XLogP3-AA: null
- Exact Mass: 118.03131738
- Monoisotopic Mass: 118.03131738
- Complexity: 57.6
- Rotatable Bond Count: 0
- Hydrogen Bond Donor Count: 4
- Hydrogen Bond Acceptor Count: 3
- Topological Polar Surface Area: 101
- Heavy Atom Count: 7
- Defined Atom Stereocenter Count: 0
- Undefined Atom Stereocenter Count: 0
- Defined Bond Stereocenter Count: 0
- Undefined Bond Stereocenter Count: 0
- Isotope Atom Count: 0
- Covalently-Bonded Unit Count: 2
- CACTVS Substructure Key Fingerprint: AAADcYBDgABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAQQAAAAAAAAAAABAABAAAQwAAAAIAAAAACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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11. Realated Product Infomation
-122YR
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