Skip to Content
Merck
CN
All Photos(5)

Documents

50940

Sigma-Aldrich

Guanidine hydrochloride

≥99.0% (AT)

Sign Into View Organizational & Contract Pricing

Synonym(s):
Aminoformamidine hydrochloride, Aminomethanamidine hydrochloride, Guanidinium chloride
Linear Formula:
NH2C(=NH)NH2 · HCl
CAS Number:
Molecular Weight:
95.53
Beilstein:
3591990
EC Number:
MDL number:
UNSPSC Code:
12352107
PubChem Substance ID:
NACRES:
NA.55

Quality Level

Assay

≥99.0% (AT)

form

solid

ign. residue

≤0.1% (as SO4)

pH

(25 °C, 4.6 - 6/573 g/L)

mp

180-185 °C (lit.)

solubility

H2O: 6 M at 20 °C, clear, colorless

density

1.3 g/cm3 (lit.)

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Ca: ≤20 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

Cl[H].NC(N)=N

InChI

1S/CH5N3.ClH/c2-1(3)4;/h(H5,2,3,4);1H

InChI key

PJJJBBJSCAKJQF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Strong chaotropic agent useful for the denaturation and subsequent refolding of proteins. This strong denaturant can solubilize insoluble or denatured proteins such as inclusion bodies. This can be used as the first step in refolding proteins or enzymes into their active form. Urea and dithiothreitol (DTT) may also be necessary.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Manula S B Rathnayake et al.
Cartilage, 13(2_suppl), 476S-485S (2021-03-23)
To investigate GAG-ECM (glycosaminoglycan-extracellular matrix) interactions in different cartilage types. To achieve this, we first aimed to determine protocols for consistent calculation of GAG content between cartilage types. Auricular cartilage containing both collagen and elastin was used to determine the
Caitriona McKeever et al.
Journal of medicinal chemistry, 56(3), 700-711 (2013-01-11)
Considering the strong DNA minor groove binding observed for our previous series of diaromatic symmetric and asymmetric guanidinium and 2-aminoimidazolinium derivatives, we report now the synthesis of new aminoalkyl derivatives of diaromatic guanidines with potential as DNA minor groove binders
Allan Joaquim Lamontanara et al.
Nature communications, 5, 5470-5470 (2014-11-18)
The activity of protein kinases is regulated by multiple molecular mechanisms, and their disruption is a common driver of oncogenesis. A central and almost universal control element of protein kinase activity is the activation loop that utilizes both conformation and
D T Gruszka et al.
Science advances, 6(38) (2020-09-20)
During replication, nucleosomes are disrupted ahead of the replication fork, followed by their reassembly on daughter strands from the pool of recycled parental and new histones. However, because no previous studies have managed to capture the moment that replication forks
Fackson Mwale et al.
Tissue engineering. Part A, 20(21-22), 2942-2949 (2014-05-03)
Link N is a naturally occurring peptide that can stimulate proteoglycan synthesis in intervertebral disc (IVD) cells. IVD repair can also potentially be enhanced by mesenchymal stem cell (MSC) supplementation to maximize extracellular matrix (ECM) production. In a previous study

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service