CAS Number
75-75-2

Methanesulfonic Acid (MSA)
Methane Sulfonic Acid (MSA) Supplier China Manufacturer MSA 70 MSA 99
  • ISO Certified Manufacturing
  • REACH Compliance
  • Bulk global supply

Our Methane sulfonic acid (MSA) is available in two industry concentrations: 70% MSA and 99% MSA. Engineered for exceptional performance, both deliver high purity and low impurties with superior physical properyties.

QUICK PRODUCT SNAPSHOT:

  • Chemical Name: Methanesulfonic Acid
  • CAS No.: 75-75-2
  • Molecular Formula: CH₄O₃S
  • Molecular Weight: 96.10 g/mol
  • Packaging: Drum / IBC / ISO Tank
  • Grade: Industrial / Electronic / Pharmaceutical
  • Synonyms: Methylsulfonic acid, MSA

Features

MSA 70: Optimized for electronic applications with ultra-low chloride ions and sulfates, preventing plating defects.

MSA 99: Ultra high purity, minimal heavy metals, ideal for pharmaceutical catalysis and sensitive organic synthesis. High-concentration formula (density: ~1.48 g/cm³) for efficient reactions.

Specifications

ParameterMSA 70% (Electronic Grade)MSA 99% (Pharmaceutical Grade)
AppearanceClear, colorless liquidClear, colorless liquid
Assay (w/w%)≥ 70%≥ 99%
Density (20°C, g/cm³)1.33-1.36~1.48
Freezing Point≤ -60°C~20°C (may crystallize)
Chloride (Cl⁻)≤ 10 ppm≤ 10 ppm
Sulfate (SO₄²⁻)≤ 30 ppm≤ 30 ppm
Heavy Metals (as Pb)≤ 5 ppm≤ 3 ppm
Iron (Fe)≤ 5 ppm≤ 5 ppm
Water Content≤ 30%≤ 1%

Applications

  • Electroplating (tin, bismuth, PCB manufacturing)
  • Pharmaceutical intermediates and catalysis
  • Organic synthesis and specialty chemicals
  • Industrial cleaning and descaling
  • Electrolyte systems and additives

Why Choose Us?

  • ISO 14001:2015 certified supplier
  • Over 15 years of experience in the chemical industry
  • Dedicated R&D and quality control
  • Global logistics support (Europe, US, Asia, Middle East)
  • High-purity product with the consistent supply guarantee

Packaging Options

  • 30kg / 200 kg HDPE drum
  • 1000 kg IBC Drum
  • ISO tank container
  • Custom packaging available upon request
Methane Sulfonic Acid (MSA) Supplier China Manufacturer MSA 70 MSA 99
Methane Sulfonic Acid (MSA) Supplier China Manufacturer MSA 70 MSA 99

Shipping & Delivery

  • Lead time: 7–10 working days
  • Shipping terms: FOB / CIF / DDU
  • UN No.: 3265 | Hazard Class: 8 (Corrosive)
  • HS Code: 29041090

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