50983

Guanidine thiocyanate solution

BioUltra, for molecular biology, ~6 M in H₂O

• Synonym(s): Guanidine isothiocyanate, Guanidinium isothiocyanate, Guanidinium rhodanide, Guanidinium thiocyanate
• Linear Formula: NH₂C(=NH)NH₂ · HSCN
• CAS Number: 593-84-0
• Molecular Weight: 118.16
• Beilstein: 3563461
• MDL number: MFCD00013027
• UNSPSC Code: 12352107
• PubChem Substance ID: 57651292
• NACRES: NA.25

Properties

• grade: for molecular biology
• Quality Level: 200
• product line: BioUltra
• concentration: ~6 M in H₂O
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
• refractive index: n20/D 1.474-1.483
• pH: 4.5-7.0 (25 °C)
• anion traces: chloride (Cl^-): ≤500 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤1 mg/kg; As: ≤0.1 mg/kg; Ba: ≤1 mg/kg; Bi: ≤1 mg/kg; Ca: ≤5 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: ≤1 mg/kg; K: ≤20 mg/kg; Li: ≤1 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Mo: ≤1 mg/kg; Na: ≤500 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Sr: ≤1 mg/kg; Zn: ≤1 mg/kg
• absorption: cut-off at 280 nm
• SMILES string: SC#N.NC(N)=N
• InChI: 1S/CH5N3.CHNS/c2-1(3)4;2-1-3/h(H5,2,3,4);3H
• InChI key: ZJYYHGLJYGJLLN-UHFFFAOYSA-N

Description

General description

Guanidine thiocyanate is a chaotropic agent that functions as a strong protein denaturant. It is widely used in RNA isolation protocols. Guanidine thiocyanate can irreversibly inactivate RNase and DNase and breaks cellular membranes. It dissolves proteins by disturbing their secondary structures. Guanidine thiocyanate also separates nucleoproteins from nucleic acids and aids the digestion of the proteins with proteases. It improves the activity of proteinase K thus making it the protease of choice.

Application

Guanidine thiocyanate solution has been used to extract:

• plasma RNA from human immunodeficiency virus (HIV)-infected and control patients
• total RNA from collected tissues (shoots, flowers, fruits, and seeds)
• in reverse transcription-polymerase chain reaction (RT-PCR) analysis, RNA from teratocarcinoma cell line (Tera-1)

Caution

possibly crystallized product can be dissolved again by slightly heating to 40-50 °C.

Safety Information

• Pictograms: GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H302 + H312 + H332,H314,H412
• Precautionary Statements: P273 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1C
• Supplementary Hazards: EUH032
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves