Molekula
Potassium-8-hydroxyquinoline sulfate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium-8-hydroxyquinoline sulfate is a chelating agent and analytical reagent widely used in laboratories for metal ion detection, including as a precursor that releases 8-hydroxyquinoline on hydrolysis for precipitating metal oxinates from homogeneous solution, due to its strong complexing properties. This chemical has a CAS number of 15077-57-3, a molecular formula of C9H8KNO5S, and a molecular weight of 281.33. It should be stored at ambient conditions, with a signal word of warning for handling.
Molekula supplies Potassium-8-hydroxyquinoline sulfate at ≥98.0% purity in 100 g packs, from £85.92 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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.
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100 g — £71.60 per pack ex VAT · £85.92 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 | Pale yellow crystalline powder |
| Loss on Drying | ≤0.5% |
| Assay | ≥98.0% |
| Sulphated Ash | ≤15.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 26563210 |
| CAS Number | 15077-57-3 |
| Molecular Formula | C9H8KNO5S |
| Molecular Weight | 281.33 |
| SMILES | [K].O=S(=O)(O)O.OC=1C=CC=C2C=CC=NC12 |
| REACH Code | Y113 |
| HTS Code | 2933492600 |
| Tariff Code | 2933499090 |
Safety & GHS
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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
- P264 Wash thoroughly after handling
- 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
- P403+233 Store in a well ventilated place. Keep container tightly closed
- P501 Dispose of contents/container to an approved waste disposal plant
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is potassium-8-hydroxyquinoline sulfate commonly used for?
It is primarily used as a chelating agent in analytical chemistry, for example as a precursor that releases 8-hydroxyquinoline on hydrolysis for precipitating metal oxinates from homogeneous solution.
What is the chemical formula and molecular weight of potassium-8-hydroxyquinoline sulfate?
The formula is C₉H₈KNO₅S, and the molecular weight is 281.33 g/mol.
How should potassium-8-hydroxyquinoline sulfate be stored?
Store at ambient temperature in a cool, dry place, away from incompatible substances.
What grade or purity levels does Molekula offer for this product?
Molekula supplies potassium-8-hydroxyquinoline sulfate with an assay of ≥98.0%, supplied as a pale yellow crystalline powder with loss on drying of ≤0.5% and sulphated ash of ≤15.5%.
Can Molekula supply potassium-8-hydroxyquinoline sulfate in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging and pricing.
What documentation comes with an order of potassium-8-hydroxyquinoline sulfate?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and a product specification sheet.
Where can I buy Potassium-8-hydroxyquinoline sulfate?
Directly from Molekula, which lists Potassium-8-hydroxyquinoline sulfate in 100 g packs from £85.92 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.