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217573

Sigma-Aldrich

Barium hydroxide octahydrate

ACS reagent, ≥98%

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Linear Formula:
Ba(OH)2 · 8H2O
CAS Number:
12230-71-6
Molecular Weight:
315.46
EC Number:
241-234-5
MDL number:
MFCD00149152
UNSPSC Code:
12352300
PubChem Substance ID:
329752202
NACRES:
NB.24

grade

ACS reagent

Quality Level

200

Assay

≥98%

form

powder, crystals or chunks

impurities

≤0.01% insol. dil. HCl
≤2.0% barium carbonate

pH

12.5 (20 °C, 50 g/L)

mp

78 °C (lit.)

anion traces

S2-: ≤0.001%
chloride (Cl-): ≤0.001%

cation traces

Ca: ≤0.05%
Fe: ≤0.001%
K: ≤0.01%
Na: ≤0.01%
Sr: ≤0.8%
heavy metals: ≤5 ppm (by ICP)

SMILES string

O.O.O.O.O.O.O.O.O[Ba]O

InChI

1S/Ba.10H2O/h;10*1H2/q+2;;;;;;;;;;/p-2

InChI key

ZUDYPQRUOYEARG-UHFFFAOYSA-L

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Application

Catalyzes the β-elimination of phosphoserine residues.

Pictograms

CorrosionExclamation mark
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H302 + H332,H314

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Skin Corr. 1B

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

危险化学品

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The crystal structure of barium hydroxide octahydrate Ba(OH)2-8H2O.
Manohar H and Ramaseshan S.
Zeitschrift fur Kristallographie - Crystalline Materials, 119(1-6), 357-374 (1964)
Sjoerd A Veldhuis et al.
Inorganic chemistry, 53(24), 13188-13196 (2014-11-26)
Nanocrystalline barium titanate (8-10 nm crystallite size) was prepared at temperatures of 23-78 °C through reaction of a modified titanium alkoxide precursor in benzyl alcohol with barium hydroxide octahydrate. The room temperature formation of a perovskite phase from solution is
Duk Kyu Lee et al.
Journal of nanoscience and nanotechnology, 10(2), 1361-1366 (2010-04-01)
BaTiO3 nano-particles with a size range of 20-70 nm were synthesized at 70 degrees C through a simple wet-chemical reactions between barium hydroxide octahydrate (Ba(OH)2 x 8H2O) and meta titanic acid (H2TiO3) in ethanol/water mixed solvent systems. It was found
B J Verhaeghe et al.
Clinical chemistry, 34(6), 1077-1083 (1988-06-01)
This is a new method for isolating and concentrating urinary organic acids before gas chromatography--mass spectrometry. Sulfate and phosphate anions are removed by precipitation with Ba(OH)2, and the urine pH is adjusted to 8-8.5. The sample is then applied onto
Eagleson M.
Concise Encyclopedia Chemistry, 116-116 (1994)
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