Ammonium pentaborate tetrahydrate, 98%

Catalog No.	Quantity
AA46323A3	2 kg
AA4632336	500 g

Catalog No. AA46323A3 Supplier Thermo Scientific Chemicals Supplier No. 046323A3

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.

Specifications

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

• Melting Point: 110°C
• Color: White
• Physical Form: Powder
• Quantity: 2 kg
• 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

SDS

RUO – Research Use Only