Molekula
Water (Molecular biology reagent)
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
Water (Molecular biology reagent) is ultra-pure, deionized water specifically formulated for molecular biology applications, ensuring minimal interference in PCR, cell culture, and nucleic acid experiments. This reagent meets stringent purity standards to prevent contamination and maintain assay integrity. CAS 7732-18-5, molecular formula H2O, molecular weight 18.02 g/mol, stored at ambient conditions. Signal word: Warning. Molekula supplies Water (Molecular biology reagent) 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.
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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 | Clear liquid |
| Bioburden | <=10 CoF/ml |
| DNase/RNase activity | None detected |
| Non - animal origin | Non- animal origin confirmed |
| Protease | None detected |
| Nickase | None detected |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Odorless |
| Melting Point | 0 °C |
| Boiling Point | 99.97 °C |
| Density | 0.9950 g/cm³ at 25 °C |
| Solubility (other solvents) | Very soluble in ethanol, methanol, acetone |
| Vapour Pressure | 23.75 mmHg |
| Refractive Index | 1.333 |
Source: PubChem CID 962 (HSDB, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 90030951 |
| CAS Number | 7732-18-5 |
| IUPAC Name | oxidane |
| EC Number | 231-791-2 |
| Molecular Formula | H2O |
| Molecular Weight | 18.02 |
| Exact Mass | 18.0106 |
| SMILES | O |
| InChIKey | XLYOFNOQVPJJNP-UHFFFAOYSA-N |
| InChI | InChI=1S/H2O/h1H2 |
| PubChem CID | 962 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2201.90.0000 |
| Tariff Code | 2853901000 |
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
- P264 Wash thoroughly after handling
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
- P321 Specific treatment (see supplemental first aid instructions on this label)
- P403+P233 Store in a well-ventilated place. Keep container tightly closed
- P405 Store locked up
- P501 Dispose of contents/container to an approved waste disposal plant
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- aqua
- Dihydrogen oxide
- Distilled water
- oxidane
- Purified water
- Sterile water
- water
- Water vapor
- Water, deionized
- Water, mineral
Frequently asked questions
What is ultra-pure water (molecular biology reagent) used for?
It is primarily used in molecular biology applications such as PCR, DNA/RNA extraction, cell culture, and buffer preparation to prevent contamination and ensure experiment integrity.
What is the chemical formula and molecular weight of this water?
The chemical formula is **H₂O**, and the molecular weight is **18.02 g/mol**.
How should this reagent-grade water be stored?
Store at **ambient temperature** in a tightly sealed container to prevent contamination, ideally in a clean, dedicated storage area.
What purity grade is available for molecular biology applications?
Molekula supplies **Type I water (18.2 MΩ·cm resistivity)** or higher, meeting or exceeding **ASTM Type I** or **Milli-Q** standards for molecular biology.
Can Molekula supply this product in bulk for large-scale research or manufacturing?
Yes, we offer **bulk quantities** (e.g., 10L–500L containers) for research labs, biotech facilities, or industrial applications—contact us for custom packaging.
What documentation is provided with an order of molecular biology reagent water?
Each order includes a **Certificate of Analysis (CoA)** with resistivity, endotoxin levels (if applicable), and microbial testing, along with an **MSDS/SDS** and **batch-specific traceability records**.
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.