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83979

Sigma-Aldrich

Rubidium chloride

BioUltra, for molecular biology, ≥99.0% (AT)

Synonym(s):

RbCl

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About This Item

Linear Formula:
RbCl
CAS Number:
7791-11-9
Molecular Weight:
120.92
EC Number:
232-240-9
MDL number:
MFCD00011187
UNSPSC Code:
12352302
PubChem Substance ID:
57652980
NACRES:
NA.25

grade

for molecular biology

Quality Level

100

product line

BioUltra

Assay

≥99.0% (AT)

form

solid

impurities

DNases, none detected
 RNases, none detected
 insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected

loss

≤0.2% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 1 M in H2O)

mp

715 °C (lit.)

solubility

H2O: 1 M at 20 °C, clear, colorless

density

2.8 g/mL at 25 °C (lit.)

anion traces

bromide (Br-): ≤100 mg/kg
iodide (I-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.5 mg/kg
Ba: ≤20 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤2 mg/kg
K: ≤5000 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤10 mg/kg
Sr: ≤10 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.03

SMILES string

[Cl-].[Rb+]

InChI

1S/ClH.Rb/h1H;/q;+1/p-1

InChI key

FGDZQCVHDSGLHJ-UHFFFAOYSA-M

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Related Categories

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

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’.

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Yucheng Jiang et al.
Biophysical chemistry, 118(1), 25-30 (2005-07-26)
Electromotive force (emf) of the chemical cell without liquid-junction K-ISE | RbCl/CsCl ( m(E)) | ISE-Cl and K-ISE | RbCl/CsCl (m(E)), amide (m(N)) | ISE-Cl, have been measured at 298.15 K, where m(E)=(0.005 to 0.5) mol kg(-1) and m(N)= (0.05
M L Główka et al.
Acta crystallographica. Section D, Biological crystallography, 61(Pt 4), 433-441 (2005-04-05)
Gramicidin D (gD) is a naturally occurring ionophoric antibiotic that forms membrane channels specific for monovalent cations. The crystal structure of the RbCl complex of gD has been determined at 1.14 A resolution from low-temperature (100 K) synchrotron-radiation data with
Amer Alam et al.
Nature structural & molecular biology, 16(1), 30-34 (2008-12-23)
We report the crystal structure of the nonselective cation channel NaK from Bacillus cereus at a resolution of 1.6 A. The structure reveals the intracellular gate in an open state, as opposed to the closed form reported previously, making NaK
Ferenc Horkay et al.
The Journal of chemical physics, 125(23), 234904-234904 (2006-12-28)
The distribution of counterions in solutions of high molecular mass hyaluronic acid, in near-physiological conditions where mono- and divalent ions are simultaneously present, is studied by small angle neutron scattering and anomalous small angle x-ray scattering. The solutions contain either
Grazyna Bystrzejewska-Piotrowska et al.
Journal of environmental radioactivity, 99(7), 1185-1191 (2008-03-18)
Ex vitro cultures of Pleurotus eryngii were carried out under controlled conditions using sterile medium composed of barley seeds. The influence of alkali and alkaline earth element salts (CsCl, KCl, NaCl, RbCl, and CaCl(2)) and tetraethylammonium chloride on incorporation of
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