Molekula
Ammonium pentaborate octahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ammonium pentaborate octahydrate is a boron-containing compound used in flame retardants, boron delivery systems, and specialty chemical synthesis. It appears as a white crystalline powder and is stable under ambient storage conditions. CAS: 12046-03-6, molecular formula: (NH4)2B10O16 · 8H2O, molecular weight: 544.29 g/mol. Signal word: Warning. Molekula supplies Ammonium pentaborate octahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
500 g — £70.10 per pack ex VAT · £84.12 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Purity | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 15338158 |
| CAS Number | 12046-03-6 |
| Molecular Formula | (NH4)2B10O16 · 8H2O |
| Molecular Weight | 544.29 |
| REACH Code | Y110 |
| HTS Code | 28402000 |
| Tariff Code | 2840209090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is ammonium pentaborate octahydrate 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 (NH4)2B10O16 · 8H2O with a molecular weight of 544.29 g/mol.
How should ammonium pentaborate octahydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available?
Available in technical grade; custom grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.