Dimethyl Sulfone /Methyl Sulfonyl Methane /MSM CAS 67-71-0

Product name:Dimethyl sulfone /Methyl Sulfonyl Methane /MSM

CAS:67-71-0
MF:C2H6O2S
MW:94.13
Density:1.16 g/cm3
Melting point:107-111°C

Purity:≥99%

White crystalline powder

1. Dimethyl sulfone CAS 67-71-0 is used as a high-temperature solvent for both inorganic and organic substances, and as an extraction solvent for separating aromatic compounds from aliphatic hydrocarbons.
2. Methyl sulfonyl methane CAS 67-71-0 serves as an intermediate and medium in organic synthesis, and is used in pharmaceuticals, agrochemicals, and paint and coating materials.
3. MSM CAS 67-71-0 is used as a nutritional supplement and food additive, with reported biological functions including antioxidant, anti-inflammatory, and joint-protective effects .

1. Store Dimethyl sulfone CAS 67-71-0 at room temperature, preferably in a cool and dark place below 15°C .
2. Methyl sulfonyl methane CAS 67-71-0 powder can be stored at -20°C for 3 years or at 2-8°C for 2 years; stock solutions at -80°C for 6 months or -20°C for 1 month .
3. MSM CAS 67-71-0 should be kept in a tightly closed container, protected from moisture, and stored away from strong oxidizing agents .

1. Dimethyl sulfone CAS 67-71-0 has low acute oral toxicity with an LD50 greater than 5 g/kg in rats and dermal LD50 greater than 5000 mg/kg in rabbits .
2. Methyl sulfonyl methane CAS 67-71-0 is not a skin or eye irritant based on in vitro tests (OECD 439 and 492), and is negative in the local lymph node assay for skin sensitization .
3. MSM CAS 67-71-0 is not classified as a carcinogen by IARC, ACGIH, NTP, or OSHA, and is negative in Ames and chromosome aberration tests .

1. Dimethyl sulfone CAS 67-71-0 is not regulated as a dangerous good for transport under IATA, IMDG, or DOT regulations .
2. Methyl sulfonyl methane CAS 67-71-0 has a NOAEL of 1,500 mg/kg in a 90-day repeated-dose oral study in rats .
3. MSM CAS 67-71-0 may cause mild gastrointestinal disturbances in some individuals, and those with kidney disease should consult a professional before use due to potential effects on kidney weight observed in high-dose animal studies .

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