Molekula
TRIS Ultrapure (Tris(hydroxymethyl)aminomethane)
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
TRIS Ultrapure (Tris(hydroxymethyl)aminomethane) is a high-purity biochemical buffer widely used in molecular biology, electrophoresis, and protein studies for precise pH control. It maintains stable buffering in the pH range of 7.0–9.0 and is free from contaminants like nucleases and proteases. CAS: 77-86-1 | Molecular formula: NH₂C(CH₂OH)₃ | Molecular weight: 121.14 g/mol | Storage: Store at ambient temperature in a dry, well-ventilated area | Signal word: Warning (irritant, avoid inhalation). Molekula supplies TRIS Ultrapure 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.
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100 g — £22.80 per pack ex VAT · £27.36 inc. VAT
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250 g — £33.00 per pack ex VAT · £39.60 inc. VAT
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500 g — £54.50 per pack ex VAT · £65.40 inc. VAT
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1 kg — £115.50 per pack ex VAT · £138.60 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 crystalline solid |
| Melting Point | 168.0 - 172.0°C |
| Water | ≤ 0.2% |
| pH | 10.0 - 11.5 |
| Loss on Drying | ≤ 0.5% |
| Chloride (Cl-) | ≤ 3ppm |
| Solubility | Clear, colourless |
| Assay | ≥ 99.5% |
| Residue on Ignition | ≤ 0.1% |
| Insoluble Matter | ≤ 0.03% |
| Heavy Metals (Pb) | ≤ 5ppm |
| Iron (Fe) | ≤ 5ppm |
| Identification (IR) | Conforms to reference |
| Colour (20% aq solution) | ≤ 5 |
| Arsenic (As) | ≤ 1ppm |
| Calcium (Ca) | ≤ 3ppm |
| Copper (Cu) | ≤ 1ppm |
| Identity Ph. Eur | Conforms |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 11942384 |
| CAS Number | 77-86-1 |
| Molecular Formula | NH2C(CH2OH)3 |
| Molecular Weight | 121.14 |
| SMILES | C(C(CO)(CO)N)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29221996 |
| Tariff Code | 2922190090 |
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
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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 TRIS Ultrapure commonly used for?
TRIS Ultrapure is primarily used as a buffer in molecular biology applications, including DNA/RNA extraction, gel electrophoresis, and cell culture media preparation.
What is the chemical formula and molecular weight of TRIS Ultrapure?
The chemical formula is **NH₂C(CH₂OH)₃**, and the molecular weight is **121.14 g/mol**.
How should TRIS Ultrapure be stored?
Store at **ambient temperature** in a tightly sealed container, away from strong oxidizing agents.
What grade of TRIS Ultrapure does Molekula supply?
Molekula supplies **Ultrapure grade TRIS**, suitable for high-sensitivity molecular biology and biochemistry applications.
Can Molekula supply TRIS Ultrapure in bulk quantities?
Yes, Molekula can provide TRIS Ultrapure in bulk, with custom packaging options available upon request.
What documentation comes with an order of TRIS Ultrapure?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.