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Merck
CN

11618

Sigma-Aldrich

Calcium metaborate

technical, 39-44% B2O3 basis, 31-37% CaO basis, powder

Synonym(s):

Calcium borate

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About This Item

Linear Formula:
Ca(BO2)2 · 2H2O
CAS Number:
Molecular Weight:
161.73
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22
Form:
powder
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Quality Level

grade

technical

form

powder

composition

B2O3, 39-44%
CaO, 31-37%

SMILES string

[Ca++].[O-]B=O.[O-]B=O

InChI

1S/2BO2.Ca/c2*2-1-3;/q2*-1;+2

InChI key

ILOKQJWLMPPMQU-UHFFFAOYSA-N

Related Categories

Application

  • Calcium metaborate can be used as an additive to improve the performance of nickel-metal hydride batteries.
  • It is used as a precursor to synthesize calcium hexaboride (CaB6) by electro-reduction that can be used as high capacity anode for aqueous primary batteries.
  • It can also be employed in the preparation of calcium-doped borate glass for thermoluminescent dosimeters (TLD).

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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B M Fenton et al.
International journal of cancer, 93(5), 693-698 (2001-07-31)
Clinical trials utilizing strategies to manipulate tumor oxygenation, blood flow and angiogenesis are under way, although limited quantitative information exists regarding basic tumor pathophysiology. The current study utilized murine KHT fibrosarcomas, spontaneous mammary carcinomas and first-generation spontaneous transplants to examine
Xue Han et al.
Journal of materials science. Materials in medicine, 18(9), 1837-1847 (2007-05-09)
This study investigated the transformation of two sodium calcium borate glasses to hydroxyapatite (HA). The chemical reaction was between either 1CaO . 2Na(2)O . 6B(2)O(3) or 2CaO . 2Na(2)O . 6B(2)O(3) glass and a 0.25 M phosphate (K(2)HPO(4)) solution at
Calcium metaborate as a cathode additive to improve the high-temperature properties of nickel hydroxide electrodes for nickel-metal hydride batteries.
Li J, et al.
Journal of Power Sources, 263, 110-117 (2014)
D Mao et al.
Solid state nuclear magnetic resonance, 1(4), 227-230 (1992-11-01)
A simple circuit has been designed to generate a bi-symmetric square wave Zeeman modulation for the detection of nuclear quadrupole resonance. The square waveform not only provides an optimum result among bi-symmetric modulation waveforms, but also allows the observation of
Ray L Frost et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 27-32 (2013-06-12)
Meyerhofferite is a calcium hydrated borate mineral with ideal formula: CaB3O3(OH)5·H2O and occurs as white complex acicular to crude crystals with length up to ~4 cm, in fibrous divergent, radiating aggregates or reticulated and is often found in sedimentary or

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