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  7. Ammonium pentaborate tetrahydrate, 98%

Ammonium pentaborate tetrahydrate, 98%

Catalog No. AA4632336
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Quantity:
500 g
2 kg
Catalog No. Quantity
AA4632336 500 g
AA46323A3 2 kg
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Catalog No. AA4632336

Supplier: Thermo Scientific Chemicals 04632336

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Description

CAS: 12046-04-7 | B5H44N9O19-6 | 528.446 g/mol

Ammonium pentaborate is used in the preparation of both wet and dry electrolytic capacitors, flame proofing, gunning and patching compounds for extending the life of basic refractories. Used in the preparation of special welding, soldering and brazing fluxes for stainless steel or various non-ferrous metals, where alkali borates cannot be used.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Chemical Identifiers

CAS 12046-04-7
Molecular Formula B5H44N9O19-6
Molecular Weight (g/mol) 528.446
MDL Number MFCD13176621
InChI Key OJAJAQRDJBKPPU-UHFFFAOYSA-W
Synonym nonaammonium tetrahydrate pentaborate
PubChem CID 57347064
IUPAC Name nonaazanium;pentaborate;tetrahydrate
SMILES B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].B([O-])([O-])[O-].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O.O.O.O

Specifications

Melting Point 110°C
Color White
Physical Form Powder
Quantity 500 g
Linear Formula (NH4)2B10O16·4H2O
Solubility Information Soluble only in water.
Formula Weight 272.15 (200.09 Anhydrous)
Percent Purity ≥99%
Density 1.58 g/mL
Chemical Name or Material Ammonium pentaborate tetrahydrate

Safety and Handling

Hazard Category H361
Hazard Statement GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Precautionary Statement P201-P202-P281-P308+P313-P501c
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only