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DMSO-Pharmaceutical Excipient Grade

DMSO Pharmaceutical Excipient Grade (ChP 2025) — high-purity dimethyl sulfoxide with assay ≥99.5%, water ≤0.2%, meeting Chinese Pharmacopoeia standards for pharmaceutical excipient applications. Reliable supply from Yichang Jamo Chemical Co.,Ltd.

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DMSO — Pharmaceutical Excipient Grade

Product Introduction

Basic Information

· Molecular Formula: C₂H₆OS

· CAS No.: 67‑68‑5

· Standard: ChP 2025

Technical Specifications

Item	Specification
Assay (on an anhydrous basis) ω/%	≥99.5
Water, ω/%	≤0.2
Acidity (Volume of 0.01 mol/L NaOH titrant consumed)	≤ 5.0 mL
Refractive Index, nD²⁰	1.478–1.480
Crystallization Point, °C	≥18.3
Residue on Evaporation, %	≤0.01
Density (20 °C), g/cm³	1.095–1.104
Microbial Limits	Aerobic Bacterial Count, cfu/mL: ≤ 10² Yeasts and Molds Count, cfu/mL: ≤ 10² Negative for Staphylococcus aureus and Escherichia coli per 1 g
Bacterial Endotoxins	Complies

Связанные теги： DMSO Pharmaceutical Excipient Grade

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