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B2507

Sigma-Aldrich

Barium hydroxide octahydrate

≥98%

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About This Item

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:
329773203
NACRES:
NA.55
Assay:
≥98%
form:
powder
Pricing and availability is not currently available.

Quality Level

200

Assay

≥98%

form

powder

pH

12.5 (20 °C, 50 g/L)

mp

78 °C (lit.)

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

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
0000415315
0000415315
0000407621
0000342722
0000337782

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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
K C Li et al.
Magnetic resonance imaging, 9(2), 141-150 (1991-01-01)
In vitro proton spectroscopy with line-width measurements and MR imaging were performed on various concentrations of commercially available single contrast (SC), double contrast, oral and rectal barium sulfate suspensions, as well as potassium sulfate, barium chloride, barium hydroxide, and 97%
T Mahendran et al.
Journal of agricultural and food chemistry, 56(19), 9269-9276 (2008-09-12)
The structural characteristics of the gum exudate of Acacia senegal (gum arabic) have been investigated by monitoring the composition and physicochemical properties before and after treatment with proteolytic enzyme and various alkaline systems. Molecular mass ( M w) and radius
T Irie et al.
Carbohydrate research, 192, 167-172 (1989-10-23)
The alkylation of cyclomalto-oligosaccharides (cyclodextrins, CDs) with dialkyl sulfate-barium hydroxide has been claimed to yield 2,6-di-O-alkyl derivatives. Re-investigation by plasma desorption-m.s. of the products of laboratory methylation of alpha CD, beta CD, or gamma CD and ethylation of beta CD
Marshall B Dunning et al.
Anesthesiology, 106(1), 144-148 (2007-01-02)
Fires, explosions, and extreme heat production may occur when sevoflurane reacts with desiccated barium hydroxide lime. The identity of the flammable gas has not previously been published, although carbon monoxide, methanol, formaldehyde, and methyl formate have been identified in low
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Questions

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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