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Ingredient Dictionary

DIMETHYL SULFONE

Sulfonyldimethane is a sulfone.

Molecular structure

How much products actually contain

6 products state the amountmedian 1%

  • under 0.01% 1
  • 0.01–0.1% 1
  • 0.1–1% 1
  • 1% or more 3

Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.

Of the products containing it, 43 list it before the 1% line and 31 after it (usually 1% or less).

Products using this ingredient

12 of 74 confirmed · likeliest to carry enough first · See all 74

Definition

Sulfonyldimethane is a sulfone.

Source: PubChem

US FDA substance register · UNII 9H4PO4Z4FT · registered name METHOSULFONYLMETHANE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Base that dissolves other ingredientsSOLVENTAdjusts thicknessVISCOSITY CONTROLLING

Safety & regulatory references

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name ジメチルスルホン: 本品は、次の化学式で表される有機化合物である。

Source: JCIA labelling names (Japan)

Names & identifiers

DIMETHYL SULFONEINCI다이메틸설폰Korean label name (MFDS standard)Methane, 1,1′-sulfonylbis-SynonymジメチルスルホンJapanese labelling name
CAS No.chemical registry number
67-71-0
EC No.EU chemical inventory number
200-665-9
DTXSIDUS EPA chemical ID
DTXSID4043937
DTXCIDUS EPA compound ID
DTXCID2023937
IUPAC
(Methanesulfonyl)methane
Molecular formula
C2H6O2S
Molecular weight
94.13 g/mol

Measured properties

Appearance
Dry Powder · Solid, [Merck Index] White crystalline powder, Odorless, [Alfa Aesar MSDS]
Boiling point
237.00 to 239.00 °C. @ 760.00 mm Hg · 238 °C @760 [mm Hg]
Melting point
109 °C
Density
1.1700 @ 10°C
pH
4.6 (1 % w/v, 29℃, OECD Guideline 122 (Determination of pH, Acidity and Alkalinity))
Melting/freezing point
105.1~108.6 ℃
Initial boiling point and range
280.1 ℃(975.2 hPa)
Flash point
139.3 ℃
Vapour pressure
0.981 ㎩(25℃)
Water solubility
186394.274 ㎎/ℓ(30℃)
Relative density
1.17
n-Octanol/water partition coefficient (Kow)
-1.41 (log Pow)
Molecular weight
94.13

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: PubChem · KOSHA safety data sheets (Korea)

What products actually use it for

What the 6 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

  • Viscosity modifier3
  • Solvent3

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as low1

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 1 studies
  • Not likely to be sensitizing
    skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation)

Source: US EPA CompTox dashboard

Related literature

Linked databases 20

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