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Ammonium pentaborate tetrahydrate

CAS 12046-04-7 NH4B5O8 · 4H2O MW 272.15 Made to order

Ammonium pentaborate tetrahydrate is a boron-containing compound used in flame retardants, boron doping, and specialty ceramics. It appears as a white crystalline powder and is stable under ambient storage conditions. CAS: 12046-04-7, Molecular formula: NH4B5O8 · 4H2O, Molecular weight: 272.15 g/mol, Signal word: Warning. Molekula supplies ammonium pentaborate tetrahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Ammonium pentaborate tetrahydrate is a boron-containing compound used in flame retardants, boron doping, and specialty ceramics. It appears as a white crystalline powder and is stable under ambient storage conditions. CAS: 12046-04-7, Molecular formula: NH4B5O8 · 4H2O, Molecular weight: 272.15 g/mol, Signal word: Warning. Molekula supplies ammonium pentaborate tetrahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White powder

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months

Identification

Property Value
CAS Number 12046-04-7
Molecular Formula NH4B5O8 · 4H2O
Molecular Weight 272.15
REACH Code Y110
Tariff Code 28402090

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is ammonium pentaborate tetrahydrate used for?

It is primarily used as a flame retardant in textiles and plastics, and as a precursor in boron-based chemical synthesis.

What is the chemical formula and molecular weight?

The formula is NH4B5O8 · 4H2O with a molecular weight of 272.15 g/mol.

How should ammonium pentaborate tetrahydrate be stored?

Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.

What grade is available?

Available in technical grade; custom grades may be available upon request.

Can Molekula supply it in bulk?

Yes, Molekula can supply ammonium pentaborate tetrahydrate in bulk quantities—please contact sales for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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