Acid Yellow 73 Sodium Salt is classed chemically as a xanthene colour.
Definition
US FDA substance register · UNII 93X55PE38X · registered name Fluorescein sodium · single chemical substance
Acid Yellow 73 Sodium Salt is classed chemically as a xanthene colour. It conforms to the formula:
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Restriction II/1332 (when used as a substance in hair dye products) · Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 518-47-8
- EC No.EU chemical inventory number
- 208-253-0
- DTXSIDUS EPA chemical ID
- DTXSID9025328
- DTXCIDUS EPA compound ID
- DTXCID905328
- IUPAC
- Disodium 3-oxo-3H-spiro[[2]benzofuran-1,9'-xanthene]-3',6'-bis(olate)
- Molecular formula
- C20H10Na2O5
- Molecular weight
- 376.275 g/mol
Measured properties
- Appearance
- solid
- Odour
- odourless
- Melting/freezing point
- &, gt, 300 ℃
- Flash point
- &, gt, 250 ℃
- Water solubility
- 500 g/100㎖
- Relative density
- 1.601
- Molecular weight
- 376.28
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 36 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.
- Dye36
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
4 skin studies and 2 eye studies are on record.
The studies disagree (the most common conclusion covers 20%), so they do not establish that this ingredient is irritating. These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 6 studies
- Not likely to be sensitizing
skin sensitisation · Screening · according to other guideline: as mentioned below - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to other guideline: as mentioned below - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to other guideline: as mentioned below - High Frequency of Sensitization
skin sensitisation · Screening · according to other guideline: as mentioned below - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: As mentioned below according to - Moderate or Mild Irritation
eye irritation: in vivo · Screening · other guideline: As mentioned below according to
Source: US EPA CompTox dashboard