Molekula
Boric acid (KW)
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
Boric acid (KW) is a weak acid and natural mineral compound widely used as a flame retardant, insecticide, and antiseptic in industrial, agricultural, and household applications. It also serves as a pH buffer, neutron absorber, and preservative in various formulations. This chemical has a CAS number of 10043-35-3, molecular formula B(OH)3, and a molecular weight of 61.83. It is stored at ambient conditions and carries a "Danger" signal word under GHS classification. Molekula supplies boric acid 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 to Off-white powder |
| Grade | EP Grade |
| pH | 3.8 - 4.8 (33g/l aq.) |
| Solubility | soluble in water and ethanol (96%) |
| Assay | 99.0 - 100.5% |
| Sulphates (SO4)(2-) | ≤ 450ppm |
| Retain on 1000μm | ≤ 2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035390 |
| CAS Number | 10043-35-3 |
| Molecular Formula | B(OH)3 |
| Molecular Weight | 61.83 |
| SMILES | OB(O)O |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2528.00.00.05 |
| Tariff Code | 2528000000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H360FD May damage fertility. May damage the unborn child.
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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 boric acid (KW) commonly used for?
Boric acid is primarily used as a flame retardant, antiseptic, insecticide, and mild disinfectant. It also serves in industrial applications like neutron absorption, buffering agents, and as a precursor in the production of borates.
What is the chemical formula and molecular weight of boric acid?
The chemical formula is **B(OH)₃** and the molecular weight is **61.83 g/mol**.
How should boric acid (KW) be stored?
Store boric acid at **ambient temperature** in a cool, dry place, away from incompatible substances like strong oxidizers or acids.
What grades or purity levels of boric acid does Molekula supply?
Molekula supplies **technical-grade boric acid (KW)**, suitable for industrial and commercial applications requiring high purity.
Can Molekula supply boric acid in bulk quantities?
Yes, Molekula can supply boric acid in **bulk quantities**, with packaging options tailored to customer needs.
What documentation comes with a boric acid order from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and a product specification sheet for traceability and compliance.
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.