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Key Documents

202878

Sigma-Aldrich

Acido borico

99.999% trace metals basis

Sinonimo/i:

orthoboric acid

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About This Item

Formula condensata:
H3BO3
Numero CAS:
Peso molecolare:
61.83
Numero CE:
Numero MDL:
Codice UNSPSC:
12352300
ID PubChem:
NACRES:
NA.23

Tensione di vapore

2.6 mmHg ( 20 °C)

Saggio

99.999% trace metals basis

Forma fisica

crystalline powder

Punto di fusione

160 °C (dec.) (lit.)

Solubilità

water: 49.2 g/L at 20 °C

Densità

1.49 g/cm3 at 23 °C

Stringa SMILE

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H
KGBXLFKZBHKPEV-UHFFFAOYSA-N

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Descrizione generale

Boric acid is a weak monobasic acid, it accepts OH- ions, hence is a Lewis acid. In boric acid, B is sp2 hybridized, forming a planar triangle structure.The principal oxide of boron, B2O3, is obtained as a vitreous solid by dehydration of boric acid at red heat.

Applicazioni

Boric acid can have a large scale use in glass industry as flame retardant, in buffer solutions.
Boric acid finds uses in several areas; such as


  • In glass fibres, to enhance its resistance and color
  • In glazing ceramic wares
  • As a condensing agent, chemical intermediate and as a precursor for preparation of borates and other boron based compounds
  • As a water coolant in nuclear reactors
  • In electrolytic condensers and capacitors 1

Confezionamento

Packaged in poly bottles

Pittogrammi

Health hazard

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Repr. 1B

Codice della classe di stoccaggio

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


Certificati d'analisi (COA)

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Acido borico puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, ≥99.8%

Sigma-Aldrich

31146

Acido borico

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NIST951A

Acido borico

Acido borico powder, EMPROVE® ESSENTIAL, Ph. Eur., BP, JP, NF

SAFC

1.00162

Acido borico

Acido borico puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

Sigma-Aldrich

11607

Acido borico

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SAFC

1.00160

Acido borico

Akie Shimotohno et al.
Plant & cell physiology, 56(4), 620-630 (2015-02-12)
Boron, an essential micronutrient, is transported in roots of Arabidopsis thaliana mainly by two different types of transporters, BORs and NIPs (nodulin26-like intrinsic proteins). Both are plasma membrane localized, but have distinct transport properties and patterns of cell type-specific accumulation
Jing Li et al.
American journal of physiology. Cell physiology, 306(10), C943-C960 (2014-03-22)
The human solute carrier (SLC26) family of anion transporters consists of 10 members (SLCA1-11, SLCA10 being a pseudogene) that encode membrane proteins containing ~12 transmembrane (TM) segments with putative N-glycosylation sites (-NXS/T-) in extracellular loops and a COOH-terminal cytosolic STAS
Hye Ryeo Lee et al.
Journal of chromatography. A, 1346, 117-122 (2014-05-09)
In liquid phase microextraction, high enrichment factors can be obtained using an acceptor phase of small volume. By hanging an acceptor drop at the separation capillary tip, single drop microextraction (SDME) can be in-line coupled with capillary electrophoresis (CE). The
Yona Goldshmit et al.
Oncotarget, 5(18), 8602-8613 (2014-09-28)
The three oncogenes, ErbB receptors, Ras proteins and nucleolin may contribute to malignant transformation. Previously, we demonstrated that nucleolin could bind both Ras protein and ErbB receptors. We also showed that the crosstalk between the three proteins facilitates anchorage independent
Albert Serrà et al.
ACS nano, 8(5), 4630-4639 (2014-05-03)
Electrodeposition from microemulsions using ionic liquids is revealed as a green method for synthesizing magnetic alloyed nanoparticles, avoiding the use of aggressive reducing agents. Microemulsions containing droplets of aqueous solution (electrolytic solution containing Pt(IV) and Co(II) ions) in an ionic

Articoli

Carbon Molecular sieves (CMS) are a versatile range of adsorbents that can be tailored for specific applications. Supelco® scientists have been synthesizing synthetic CMS carbons for several decades, starting from tailoring of the starting polymers/copolymers, to modifying the final properties of the subsequent CMS carbon.

Il team dei nostri ricercatori vanta grande esperienza in tutte le aree della ricerca quali Life Science, scienza dei materiali, sintesi chimica, cromatografia, discipline analitiche, ecc..

Contatta l'Assistenza Tecnica.