Molekula
Potassium bromide
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
Potassium bromide is an inorganic compound used in photographic emulsions, pharmaceuticals, and as a reagent in chemical synthesis. It is also used in process engraving and lithographic printing, in clear completion fluids for the petroleum industry, and as the active ingredient in some veterinary medicines. It appears as a white crystalline solid, soluble in water, and stable under ambient storage conditions. CAS: 7758-02-3, Molecular formula: KBr, Molecular weight: 119.0 g/mol, Signal word: Warning. Molekula supplies Potassium bromide 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.
Often bought together
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.
-
25 g — $38.00 per pack
-
500 g — $85.50 per pack
-
1 kg — $147.70 per pack
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 crystalline powder |
| pH | 5.5 - 8.5 |
| Chloride (Cl-) | ≤0.2 |
| Assay | ≥99.00% |
| Water insoluble matter | ≤0.005 |
| Bromate | ≤0.001 |
| Iodides | ≤0.005 |
| Iron (Fe) | ≤2 |
| Lead (Pb) | ≤ 0.0003 |
| Calcium (Ca) | ≤0.002 |
| Magnesium (Mg) | ≤0.0005 |
| Barium (Ba) | ≤0.002 |
| Sodium (Na) | ≤0.02 |
| Sulphates (SO4)(2-) | ≤0.005 |
| Nitrogen (N) | ≤0.002 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless cubic crystals |
| Odour | Odorless |
| Melting Point | 730 °C |
| Boiling Point | 1435 °C |
| Density | 2.74 g/cm³ at 25 °C |
| Water Solubility | Soluble in water |
| Vapour Pressure | 1 mmHg at 795 °C |
| Refractive Index | 1.559 |
Source: PubChem CID 253877 (HSDB, PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 11161172 |
| CAS Number | 7758-02-3 |
| IUPAC Name | potassium bromide |
| EC Number | 231-830-3 |
| Molecular Formula | KBr |
| Molecular Weight | 119.0 |
| Exact Mass | 117.882 |
| SMILES | [K+].[Br-] |
| InChIKey | IOLCXVTUBQKXJR-UHFFFAOYSA-M |
| InChI | InChI=1S/BrH.K/h1H;/q;+1/p-1 |
| PubChem CID | 253877 |
| REACH Code | Y113 |
| HTS Code | 2827510000 |
| Tariff Code | 2827510000 |
Safety & GHS
-
Health Hazard
GHS07
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
- P302+352 IF ON SKIN: Wash with soap and water
- 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, 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
- Bromide salt of potassium
- bromopotassium
- Bromure de potassium
- K-BroVet
- Kali bromatum
- Kalii bromidum
- Kaliumbromid
- Pot brom
- Potassium bromide (KBr)
- Tripotassium tribromide
Frequently asked questions
What is potassium bromide used for?
Potassium bromide is primarily used in photographic emulsions and as a reagent in chemical synthesis.
What is the chemical formula and molecular weight of potassium bromide?
The formula is KBr with a molecular weight of 119.0 g/mol.
How should potassium bromide be stored?
Store at ambient temperature, away from moisture and incompatible substances.
What grade of potassium bromide does Molekula supply?
Molekula supplies reagent grade potassium bromide.
Can Molekula supply potassium bromide in bulk?
Yes, Molekula can supply potassium bromide in bulk quantities upon request.
What documentation comes with a potassium bromide order?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).
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.