Impurities that are tested are listed in the product's Specification Sheet.
B0394
Ácido bórico
Boric acid
1 of 1 reviewers received a sample product or took part in a promotion
ACS reagent, ≥99.5%
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About This Item
Fórmula lineal:
H3BO3
Número de CAS:
Peso molecular:
61.83
Número CE:
Número MDL:
Código UNSPSC:
12352106
eCl@ss:
38120104
ID de la sustancia en PubChem:
NACRES:
NA.21
En este momento no podemos mostrarle ni los precios ni la disponibilidad
Productos recomendados
grado
ACS reagent
Nivel de calidad
Agency
suitable for SM 4500 - NH3
suitable for SM 5210
presión de vapor
2.6 mmHg ( 20 °C)
Ensayo
≥99.5%
Formulario
powder
técnicas
PCR: suitable
impurezas
≤0.005% Insoluble in methanol
≤0.05% Nonvolatile with methanol
mp
160 °C (dec.) (lit.)
solubilidad
water: soluble
densidad
1.440 g/cm3
trazas de anión
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.01%
trazas de catión
Ca: ≤0.005%
Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)
cadena SMILES
OB(O)O
InChI
1S/BH3O3/c2-1(3)4/h2-4H
Clave InChI
KGBXLFKZBHKPEV-UHFFFAOYSA-N
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Descripción general
Boric acid is a weak monobasic Lewis acid(electron pair acceptor), which finds application in the areas of glass making, fire retardant, lubrication agent, buffer, and neutron absorber.
Aplicación
Boric acid can be used as a catalyst to synthesize:
- N-substituted cinnamamides via amidation reaction between cinnamic acid and benzylamines.
- β-Aminoalcohols through the regioselective epoxides ring opening with aromatic amines in the presence of glycerol as a co-catalyst.
- Organosulfur compounds via thia-Michael addition of thiols to α, β-unsaturated compounds.
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Repr. 1B
Código de clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Clase de riesgo para el agua (WGK)
WGK 1
Punto de inflamabilidad (°F)
Not applicable
Punto de inflamabilidad (°C)
Not applicable
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Contenido relacionado
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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Hello, I am filling out a waste disposal form for an old packet of boric acid, and need to know what trace chemicals may configure the remaining <1% in order to complete the form.
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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What is the maximum solubility in water of the product B0394-100G (boric acid)?
1 answer-
The maximum solubility in water is not tested as a quality specification for item B0394.
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Hello, at what temperature should we store the boric acid powder (B0394-100G) ? Do we need a ventilated place to store it ? Also for how long can we keep it ?
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This product is not issued a recommended retest or expiration date and may be stored indefinitely. The material is moisture sensitive and recommended to be stored tightly closed and dry in a well-ventilated place.
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