


Methanol suitable for HPLC, ≥99.9%, Part Number 34860-4X4L-SA Buy now from Sigma-Aldrich at Dawnscientific.
Sigma-Aldrich Methanol HPLC Grade delivers ≥99.9% purity for demanding analytical laboratory applications. Filtered through a 0.2 μm filter and tested for extremely low impurity levels, this high-purity methanol is widely used as a mobile phase in reversed-phase liquid chromatography, immunofluorescence studies, and PFAS testing. Available at Dawn Scientific for laboratories requiring consistent, reliable solvent performance in critical analytical workflows.
Key Features
Specifications Table
| Parameter | Details |
|---|---|
| Supplier | Sigma-Aldrich |
| Product Name | Methanol, suitable for HPLC |
| Grade | HPLC Grade |
| Assay | ≥99.9% |
| Form | Liquid |
| Boiling Point | 64.7 °C (lit.) |
| Melting Point | −98 °C (lit.) |
| Density | 0.791 g/mL at 25 °C (lit.) |
| Refractive Index | n20/D 1.329 (lit.) |
| Vapor Pressure | 97.68 mmHg at 20 °C / 410 mmHg at 50 °C |
| Vapor Density | 1.11 (vs air) |
| Autoignition Temp. | 725 °F |
| Parameter | Details |
|---|---|
| Explosive Limit | 36% |
| Water Content | <0.03% (Karl Fischer) |
| Non-volatile Matter | ≤0.0005% |
| Evaporation Residue | <0.0005% |
| Color | APHA ≤10 |
| Fluorescence at 254 nm | ≤1 ppb (quinine) |
| Fluorescence at 365 nm | ≤1 ppb (quinine) |
| Filter | 0.2 μm filtered |
| Format | Neat |
| SMILES | CO |
| InChI Key | OKKJLVBELUTLKV-UHFFFAOYSA-N |
| Technique(s) | HPLC, immunofluorescence |
Applications & Uses
Sigma-Aldrich Methanol HPLC Grade is widely used across analytical and research laboratory workflows, including:
Why Buy from Dawn Scientific?
Dawn Scientific is built on a commitment to certified quality and dependable supply. When you order through Dawn Scientific, you receive:
In addition to our specialty product lines, Dawn Scientific offers a comprehensive range of laboratory supplies and scientific products, including laboratory chemicals, reagents, analytical standards, solutions, buffers, biological stains, indicators, laboratory equipment, instruments, consumables, and much more.
For complete product information, technical resources, and our full catalog, please browse other categories on our website ( www.dawnscientific.com.)
If you have any questions or would like assistance selecting the right products for your application, our knowledgeable team is ready to help. Contact us at 1-800-DAWN-SCI or email sales@dawnscientific.com. We look forward to serving your laboratory and research needs.
Frequently Asked Questions (FAQs)
Sigma-Aldrich Methanol HPLC Grade has a minimum assay purity of ≥99.9%, making it suitable for the most demanding HPLC and analytical applications.
This methanol is suitable for HPLC, reversed-phase liquid chromatography, immunofluorescence studies, PFAS testing, and food and beverage analysis.
Yes, the product is filtered through a 0.2 μm filter to ensure consistent purity and performance in sensitive analytical workflows.
The water content is <0.03% as tested by Karl Fischer method, ensuring minimal moisture interference in sensitive analytical applications.
Sigma-Aldrich Methanol HPLC Grade is available for purchase online through Dawn Scientific, an authorized supplier offering genuine products with fast, reliable delivery across the USA.


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