Definition
US FDA substance register · UNII WSI8A5QG10 · registered name HYDROXYPHENOXY PROPIONIC ACID · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
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 ヒドロキシフェノキシプロピオン酸: 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
- 94050-90-5
- EC No.EU chemical inventory number
- 407-960-3
- DTXSIDUS EPA chemical ID
- DTXSID20240360
- DTXCIDUS EPA compound ID
- DTXCID20162851
- IUPAC
- (2R)-2-(4-Hydroxyphenoxy)propanoic acid
- Molecular formula
- C9H10O4
- Molecular weight
- 182.175 g/mol
Measured properties
- Appearance
- solid
- Melting/freezing point
- 145~148 ℃ (lit)
- Initial boiling point and range
- 367.5 ℃(760 mmHg)
- Flash point
- 151.3 ℃
- Relative density
- 1.302 (g/cm3)
- n-Octanol/water partition coefficient (Kow)
- 0.86
- Molecular weight
- 182.17
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 1 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.
- Softener and conditioner1
Source: US EPA CompTox dashboard
Related literature
- An open‐label, investigator‐initiated, single‐center, prospective, pilot clinical study to evaluate the efficacy of a skin whitening serum applied twice daily combined with a spot‐preventing SPF50+ sunscreen in healthy female subjects with melasma hyperpigmentation · 2021
- Monocentric prospective study for assessing the efficacy and tolerability of a cosmeceutical formulation in patients with melasma · 2016
- A method for maintaining the clinical results of 4% hydroquinone and 0.025% tretinoin with a cosmeceutical formulation. · 2015
Linked databases 13
- 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
- Tlooto literature search 2 3
- 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