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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:
Molecular Weight:
120.92
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.25
grade:
Molecular Biology
for molecular biology
form:
solid
solubility:
H2O: 1 M at 20 °C, clear, colorless

grade

Molecular Biology
for molecular biology

Quality Level

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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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

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K Dash et al.
Analytica chimica acta, 584(1), 210-214 (2007-03-28)
The use of boric acid as a modifier for the determination of trace amount of rubidium in high purity cesium chloride matrix by electrothermal atomic absorption is described. It was found that the negative influence of the chloride matrix could
Michael G Stabin
Health physics, 99(6), 811-813 (2010-11-12)
Three models for the biodistribution and dosimetry of 82Rb-chloride were reviewed and a proposal is made for the best dosimetry for this agent to be adopted. Data from three proposed biokinetic models for 82Rb-chloride were used to calculate dose estimates
Bertha Michel et al.
Yeast (Chichester, England), 23(8), 581-589 (2006-07-11)
In S. cerevisiae, K+ transport relies principally on two structurally related membrane proteins, known as Trk1p and Trk2p. Direct involvement in cation movements has been demonstrated for Trk1p, which is a high-affinity K+ transporter. Initially described as a low-affinity K+
Francisco Rubio et al.
Physiologia plantarum, 134(4), 598-608 (2008-11-13)
The relative contribution of the high-affinity K(+) transporter AtHAK5 and the inward rectifier K(+) channel AtAKT1 to K(+) uptake in the high-affinity range of concentrations was studied in Arabidopsis thaliana ecotype Columbia (Col-0). The results obtained with wild-type lines, with
Jörgen Rosenqvist et al.
Langmuir : the ACS journal of surfaces and colloids, 25(18), 10852-10862 (2009-08-14)
The acid-base properties of cassiterite (alpha-SnO2) surfaces at 10-50 degrees C were studied using potentiometric titrations of powder suspensions in aqueous NaCl and RbCl media. The proton sorption isotherms exhibited common intersection points in the pH range of 4.0-4.5 under

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