Molekula
Potassium tellurite hydrate min 98%
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 tellurite hydrate is a crystalline inorganic compound used in microbiological media and as a reagent in analytical chemistry. It is a source of tellurite ions for selective growth inhibition in bacterial cultures. Available with a minimum purity of 98%, CAS 123333-66-4, molecular formula K2TeO3·xH2O, and molecular weight 253.80. Stored at ambient temperature. Hazardous: signal word Danger. Molekula supplies Potassium tellurite hydrate 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.
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100 g — £279.60 per pack ex VAT · £335.52 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/ off white powder |
| Assay | Anhydrous: 94%, Hydrated: 98%, Te: 47.25% |
| Iron (Fe) | ≤0.08% |
| Lead (Pb) | ≤0.06% |
| Copper (Cu) | ≤0.06% |
| Nickel (Ni) | ≤0.01% |
| Sodium (Na) | ≤2% |
| Selenium (Se) | ≤0.20% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 40505087 |
| CAS Number | 123333-66-4 |
| Molecular Formula | K2TeO3.xH2 O |
| Molecular Weight | 253.80 |
| SMILES | [K].O=[Te](O)O.O |
| UN Number | UN3284 |
| REACH Code | Y110 |
| HTS Code | 28429090 |
| Tariff Code | 2842901090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- 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
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- 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, 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 potassium tellurite hydrate used for?
It is primarily used in the synthesis of tellurium-based materials and as a reagent in analytical chemistry.
What is the chemical formula and molecular weight?
The formula is K2TeO3·xH2O with a molecular weight of 253.80 g/mol.
How should potassium tellurite hydrate be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Available in a minimum purity of 98%.
Can Molekula supply it in bulk?
Yes, bulk quantities are available upon request.
What documentation comes with the 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.