Pyranine is an organic sodium salt.
Definition
Pyranine is an organic sodium salt. It has a role as a fluorochrome. It contains a pyranine(3-). It derives from a hydride of a pyrene.
Source: PubChem
US FDA substance register · UNII I2W85YOX9L · registered name D&C GREEN NO. 8 · single chemical substance
CI 59040 is classed chemically as a pyrene colour. It conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Banned
- ASEAN · European Union · United Kingdom
- Restricted or banned
- ASEAN · European Union · Taiwan
- Restricted
- ASEAN · China · European Union · Japan · South Korea · Taiwan · United States
- Allowed colourant
- ASEAN · Taiwan · United States
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · UK cosmetics regulations (OPSS) · Taiwan FDA cosmetic ingredients · US FDA prohibited and restricted ingredients
Argentina · Brazil
- Field of application and/or use : Dye Substances allowed exclusively in products that do not have contact with mucosa in regular and predictable use conditions.
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
EU Cosmetics Regulation, Annex IV (allowed colourants), entry 87 · maximum concentration Not to be used in products applied on the mucous membranes
Source: EU allowed colourants (Annex IV)
EU Cosmetics Regulation, Annex II (prohibited substances), entry 1362
Restriction II/1362 (when used as a substance in hair dye products)
Source: EU CosIng ingredient list
Restriction IV/87 (CI 59040) II/1362 (Solvent Green 7; CI 59040: when used as a substance in hair dye products)
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 6358-69-6
- EC No.EU chemical inventory number
- 228-783-6
- DTXSIDUS EPA chemical ID
- DTXSID4041739
- DTXCIDUS EPA compound ID
- DTXCID2021739
- IUPAC
- Trisodium 8-hydroxypyrene-1,3,6-trisulfonate
- Molecular formula
- C16H7Na3O10S3
- Molecular weight
- 524.37 g/mol
Measured properties
- Appearance
- Liquid, Wet Solid · Solid, Highly soluble in water, [Merck Index] Yellowish or green powder, Soluble in water, [MSDSonline]
- Odour
- odourless
- Vapour pressure
- 0 ㎜Hg(20℃)
- Water solubility
- (&, gt, 10%)
- Vapour density
- 18.1
- Relative density
- (&, gt, 1)
- n-Octanol/water partition coefficient (Kow)
- -3.97
- Molecular weight
- 524.385090
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 25 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.
- Dye24
- Fragrance1
Source: US EPA CompTox dashboard
Linked databases 24
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- China inventory of existing ingredients (IECIC)
- EU allowed colourants (Annex IV)
- EU CosIng ingredient list 2 3
- EU Cosmetics Regulation
- EU prohibited substances (Annex II)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register
- MFDS (Korea) cosmetic regulatory information 2 3 4
- PubChem 2
- Taiwan FDA cosmetic ingredients
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA prohibited and restricted ingredients
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese