Methanol Gradient HPLC -2.5Lt

Key Details

• Chemical Name: Methanol

• Chemical Formula: CH₃OH

• Molecular Weight: 32.04 g/mol

• CAS Number: 67-56-1

• Grade: Gradient HPLC

• Purity: ≥99.9%

• UV Cutoff: ~205 nm or lower

• Water Content: ≤0.02% (200 ppm or lower)

• Residue After Evaporation: ≤1 ppm

• Packaging: 2.5 L amber glass bottle with low-leach cap

• Storage: Cool, dry place; tightly sealed to prevent water absorption (hygroscopic)

Common Uses

1. Gradient Elution in HPLC Systems

2. LC-UV and LC-MS Applications

3. Trace-Level Impurity Analysis

4. Baseline-Sensitive Assays

5. Pharmaceutical and Environmental Testing

Why “Gradient HPLC” Grade?

• Specifically filtered and UV-screened for use in gradient HPLC, where solvent purity directly affects baseline stability

• Removes trace metal ions, particulates, and organics that can shift UV detection baselines or cause ghost peaks

• Suitable for sensitive detectors like DAD, PDA, and MS

Safety Data Sheet (SDS) Highlights

• GHS Classification:

  • 🔥 Flammable Liquid – Category 2

  • ☠️ Toxic if swallowed, inhaled, or absorbed through skin

  •  May cause damage to the central nervous system and eyes

• Hazard Statements (H-codes):

  • H225: Highly flammable liquid and vapor

  • H301 + H311 + H331: Toxic if swallowed, in contact with skin, or inhaled

  • H370: Causes damage to organs

• Precautionary Measures:

  • Keep away from ignition sources

  • Use in a fume hood with grounded HPLC system

  • Wear chemical-resistant gloves, goggles, and lab coat

  • Close tightly after each use to avoid contamination or evaporation