11618

Calcium metaborate

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

• Synonym(s): Calcium borate
• Linear Formula: Ca(BO₂)₂ · 2H₂O
• CAS Number: 13701-64-9
• Molecular Weight: 161.73
• EC Number: 237-224-5
• MDL number: MFCD00049397
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749500
• NACRES: NA.22
• form: powder

Properties

• Quality Level: 100
• 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

Description

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).

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H319,H335
• Precautionary Statements: P261 - P305 + P351 + P338
• 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