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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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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
Balasundaresan Dhakshnamoorthy et al.
Journal of molecular biology, 396(2), 293-300 (2009-11-26)
The OmpF porin from the Escherichia coli outer membrane folds into a trimer of beta-barrels, each forming a wide aqueous pore allowing the passage of ions and small solutes. A long loop (L3) carrying multiple acidic residues folds into the
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