Dimethyl Sulfone (CAS 67-71-0) is an organic sulfur compound utilizing its high biological bioavailability as a key ingredient in dietary supplements for joint health and inflammation support. Chemically identified as Methylsulfonylmethane or MSM, this white crystalline powder acts as a natural sulfur donor essential for the synthesis of collagen and glucosamine. As a stable Sulfone derivative occurring naturally in trace amounts, it is extensively integrated into nutraceutical formulations, cosmetic anti-aging creams, and high-temperature industrial solvents. We ensure bulk supply capabilities for this material, providing access to competitive factory pricing and customized specifications to meet specific mesh sizes (e.g., 20-40 mesh, 60-80 mesh) and purity standards. Full technical documentation, including MSDS, TDS, COA, is available to support compliance and safety protocols.
Dimethyl Sulfone CAS 67-71-0
- CAS: 67-71-0
- Synonyms: Methylsulfonylmethane, MSM, Methyl sulfone, DMSO2, Sulfonylbismethane
- Einecs: 200-665-9
- Molecular Formula: C2H6O2S
- Grade: Food Grade / Cosmetic Grade / Pharma Grade
- Package: 25kg/Cardboard Drum or 25kg/Paper Bag with double PE liner
Product Description
Dimethyl Sulfone, commonly known as MSM (Methylsulfonylmethane), is an organic sulfur-containing compound that occurs naturally in some primitive plants and is present in small amounts in many foods and beverages. Our product is a high-purity, white crystalline powder synthesized through a rigorous distillation and crystallization process to ensure safety and efficacy.
It is widely recognized as a “beauty mineral” and a vital nutrient for joint health. Our Dimethyl Sulfone features high biological availability, excellent water solubility, and extreme purity (≥99.9%). It is free from heavy metals and flow agents, making it ideal for premium dietary supplements, functional foods, and high-end cosmetic formulations.
Physicochemical Properties
The following specifications are based on our standard export Food/Pharma Grade (USP Standard):
| Test Item | Specification |
|---|---|
| Appearance | White crystalline powder or flakes |
| Assay (Purity) | ≥ 99.90% |
| Melting Point | 107.0°C – 110.0°C |
| Water Content (Loss on Drying) | ≤ 0.20% |
| Residue on Ignition | ≤ 0.10% |
| Heavy Metals (Pb) | ≤ 10 ppm |
| Bulk Density | 0.60 – 0.80 g/ml |
| Solubility | Freely soluble in water, ethanol; slightly soluble in ether |
| Dimethyl Sulfoxide (DMSO) Impurity | Not Detectable / None |
| Odor | Odorless |
| Taste | Slightly bitter |
Applications
Dimethyl Sulfone (MSM) is a versatile ingredient used globally in the health and wellness sectors:
- Dietary Supplements (Joint Health):
- Used in capsules, tablets, and powders for joint care.
- Helps relieve osteoarthritis pain, reduce inflammation, and support cartilage recovery.
- Often combined with Glucosamine and Chondroitin.
- Personal Care & Cosmetics:
- Skin Care: Promotes collagen production, helping to improve skin elasticity and reduce wrinkles.
- Hair & Nail: Strengthens hair and nails due to its sulfur content (keratin building block).
- Topical Creams: Used in pain relief gels and anti-acne formulations.
- Animal Health:
- Widely used in supplements for racehorses and pets (dogs/cats) to maintain joint mobility and coat health.
- Industrial Use:
- Used as a high-temperature solvent for organic synthesis.
Storage Conditions
- Environment: Store in a cool, dry place. Avoid high humidity.
- Temperature: Store at room temperature (below 30°C).
- Packaging: Keep container tightly closed. The powder can be hygroscopic; ensure the liner is sealed after use to prevent clumping.
- Stability: Stable under normal conditions. Avoid strong oxidizing agents.
Safety Precautions
- Toxicity: Dimethyl Sulfone is generally considered non-toxic and is GRAS (Generally Recognized As Safe) for consumption.
- Handling: Wear standard protective gear (dust mask, gloves, safety glasses) during handling to avoid dust inhalation or eye contact.
- Eye Contact: If powder enters the eyes, rinse thoroughly with fresh water.
- Skin Contact: Safe for skin, but wash with soap and water after handling bulk quantities for hygiene.
- Fire Safety: Combustible at high temperatures. In case of fire, use water spray, dry chemical, or CO2.
FAQ - Technical & Supply Chain
-
Q:
How is Dimethyl Sulfone CAS 67-71-0 chemically characterized for nutritional applications?
A: Dimethyl Sulfone (CAS 67-71-0) is chemically characterized as an oxidized form of dimethyl sulfoxide (DMSO), known as Methylsulfonylmethane (MSM), and is supplied as an odorless, white crystalline powder valued for its high sulfur content. -
Q:
Is this ingredient suitable for joint care supplements?
A: Yes, this material is typically applied in dietary supplements (often combined with Glucosamine and Chondroitin) to support joint mobility, reduce oxidative stress, and aid in the maintenance of connective tissues.
Documents and Product Support
For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.
- COA for batch-based quality reference
- TDS for key physical and chemical information
- SDS / MSDS for handling, storage, and safety reference
- Packing information for sample, trial, and bulk orders
- Technical communication based on application and specification requirements
Information to Confirm Before Quotation
Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.
- Product name and CAS number
- Application or intended end use
- Required purity, grade, or specification
- Sample quantity, trial order, or bulk demand
- Preferred packing form or net weight
- Destination country or port
- Required documents or compliance expectations
Packaging, Storage, and Handling Notes
Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.
Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.
Sample, Bulk Order and Repeat Supply Support
Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.
For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.




