Acetonitrile HPLC Plus, ≥99.9%, Part Number 34998-4X4L-SA Buy now from Sigma-Aldrich at Dawnscientific.
Acetonitrile (MeCN) HPLC Plus grade from Sigma-Aldrich delivers ≥99.9% purity for the most demanding laboratory applications. With a high dielectric constant of 37.5 and exceptional UV transparency, this reagent-grade solvent is widely used in HPLC, mass spectrometry, UV, IR, GC, TLC, GPC, pesticide residue analysis, and RNA/DNA synthesis and purification. Filtered through a 0.2 μm filter and available in an advanced M-Bottle design for safer solvent handling, it is available at Dawn Scientific for laboratories requiring the highest analytical standards.
Key Features
Specifications Table
| Parameter | Details |
|---|---|
| Supplier | Sigma-Aldrich |
| Product Name | Acetonitrile, HPLC Plus |
| Grade | HPLC Plus |
| Assay | ≥99.9% |
| Form | Liquid |
| Boiling Point | 81–82 °C (lit.) |
| Melting Point | −45 °C (lit.) |
| Density | 0.786 g/mL at 25 °C (lit.) |
| Refractive Index | n20/D 1.344 (lit.) |
| Vapor Pressure | 72.8 mmHg at 20 °C |
| Vapor Density | 1.41 (vs air) |
| Autoignition Temp. | 973 °F |
| Explosive Limit | 16% |
| Parameter | Details |
|---|---|
| Baseline Drift | ≤12 mAU at 210 nm |
| HPLC Gradient | ≤0.2 mAU at 254 nm, ≤1 mAU at 210 nm |
| Water Content | ≤0.01% (Karl Fischer) |
| Non-volatile Matter | ≤0.0002% |
| Free Acid (as CH3COOH) | ≤0.001% |
| Free Alkali (as NH3) | ≤0.0001% |
| Halogenated Residue | ≤10 ng/L (as heptachlor epoxide) |
| Fluorescence at 254 nm | ≤0.5 ppb (quinine) |
| Fluorescence at 365 nm | ≤0.5 ppb (quinine) |
| Filter | 0.2 μm filtered |
| SMILES | CC#N |
| InChI Key | WEVYAHXRMPXWCK-UHFFFAOYSA-N |
| Packaging | M-Bottle with advanced sealing technology |
| Technique(s) | HPLC, IR spectroscopy |
Applications & Uses
Sigma-Aldrich Acetonitrile HPLC Plus 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:
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Frequently Asked Questions (FAQs)
Sigma-Aldrich Acetonitrile HPLC Plus grade has a minimum assay purity of ≥99.9%, making it suitable for the most demanding HPLC and analytical applications.
This acetonitrile is suitable for HPLC, mass spectrometry, UV, IR, GC, TLC, GPC, pesticide residue analysis, and RNA/DNA synthesis and purification.
Yes, the product is filtered through a 0.2 μm filter to ensure consistent purity and performance in sensitive analytical workflows.
It is available in Sigma-Aldrich's M-Bottle, which features advanced sealing technology to eliminate leaks and ensure safer, more convenient solvent handling.
Sigma-Aldrich Acetonitrile HPLC Plus 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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