Definition
US FDA substance register · UNII X4ZGP7K714 · registered name SODIUM FORMALDEHYDE SULFOXYLATE · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name オキシメチレンスルホキシル酸Na: 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
- CAS No.chemical registry number
- 149-44-0
- EC No.EU chemical inventory number
- 205-739-4
- DTXSIDUS EPA chemical ID
- DTXSID7027120
- DTXCIDUS EPA compound ID
- DTXCID507120
- IUPAC
- Sodium hydroxymethanesulfinate
- Molecular formula
- CH3NaO3S
- Molecular weight
- 118.08 g/mol
Measured properties
- Colour
- white
- pH
- 9.7-10.5 ()
- Vapour pressure
- 0.00000000000706 ㎜Hg (at 25C)
- Water solubility
- 1000000 ㎎/ℓ (at 25C)
- Relative density
- 0.60 ()
- n-Octanol/water partition coefficient (Kow)
- -6.17 ((est.))
- Molecular weight
- 118.09
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 7 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.
- Reducing agent4
- Stabilizing agent1
- Processing aids not otherwise specified1
- Chemical reaction regulator1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
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 3 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: OECD guideline 402 (Acute Dermal Toxicity) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation) - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Source: US EPA CompTox dashboard
Linked databases 15
- Australian Industrial Chemicals Inventory (AICIS)
- ChEMBL
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Chinese