Acid orange 7 is a member of naphthalenes.
How much products actually contain
No product states its amount yet.
Of the products containing it, 0 list it before the 1% line and 1 after it (usually 1% or less).
Products using this ingredient
1 of 1 confirmed · likeliest to carry enough first
Definition
Acid orange 7 is a member of naphthalenes.
Source: PubChem
US FDA substance register · UNII Q1LIY3BO0U · registered name D&C ORANGE NO. 4 · single chemical substance
CI 15510 is classed chemically as a monoazo colour. It conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Restricted
- China · Japan · South Korea · Taiwan · United Kingdom · United States
- Allowed colourant
- Taiwan · United States
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic regulations · 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 for all kinds of products, except those applied in the eye area.
ASEAN
- Field of application : Colouring agents allowed in all cosmetic products except those intended to be applied in the vicinity of eyes, in particular eye make-up and eye make-up remover.
European Union
- Product Type, body parts : Hair dye substance in non-oxidative hair dye products
- Maximum concentration in ready for use preparation : As from 3 June 2021: 0,5 %
- Other :
Source: MFDS (Korea) cosmetic regulatory information
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
EU Cosmetics Regulation, Annex III (restricted substances), entry 318 · maximum concentration As from 3 June 2021: 0,5 %. · applies to Hair dye substance in non-oxidative hair dye products.
EU Cosmetics Regulation, Annex IV (allowed colourants), entry 21 · maximum concentration Not to be used in eye products
Source: EU allowed colourants (Annex IV)
Restriction III/318 · Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Opinion on Acid Orange 7
Source: EU CosIng ingredient list
Restriction IV/21 · SCCS opinion: Opinion on Acid Orange 7
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 633-96-5
- EC No.EU chemical inventory number
- 211-199-0
- DTXSIDUS EPA chemical ID
- DTXSID0038881
- DTXCIDUS EPA compound ID
- DTXCID8018881
- IUPAC
- Sodium 4-[(2-hydroxynaphthalen-1-yl)diazenyl]benzene-1-sulfonate
- Molecular formula
- C16H11N2NaO4S
- Molecular weight
- 350.32 g/mol
Measured properties
- Appearance
- Dry Powder · Orange-brown solid, [Merck Index] Dark red powder, [Sigma-Aldrich MSDS]
- Melting/freezing point
- 164 ℃
- Water solubility
- 4 ㎎/ℓ (116 g/L)
- Molecular weight
- 350.33
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 58 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.
- Dye57
- Fragrance1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
3 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 4 studies
- Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) - Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: Hazardous Substances Regulation, US Federal Hazardous Labelling Act. Sect. 191-11 (February 1965) according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: Hazardous Substances Regulation, US Federal Hazardous Labelling Act. Sect. 191-11 (February 1965) according to
Source: US EPA CompTox dashboard
Related literature
- Gut Microbiome–Wide Search for Bacterial Azoreductases Reveals Potentially Uncharacterized Azoreductases Encoded in the Human Gut Microbiome · 2022
- THE OPTIMIZATION OF HPLC FOR QUANTITATIVE ANALYSIS OF ACID ORANGE 7 AND SUDAN II IN COSMETIC PRODUCTS USING BOX BEHNKEN DESIGN · 2019
- Photoactive TiO2 antibacterial coating on surgical external fixation pins for clinical application · 2015
- Determination of Acid Orange 7 and Auramine O in Some Cosmetics by High Performance Liquid Chromatography · 2012
- Solar Photocatalytic Oxidation of Pretreated Wastewaters: Laboratory Scale Generation Of Design Data for Technical-scale Double-skin Sheet Reactors · 2005
Linked databases 28
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- EU allowed colourants (Annex IV)
- EU CosIng ingredient list 2 3
- EU Cosmetics Regulation
- EU restricted substances (Annex III)
- EU SCCS safety opinions 2 3
- 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
- Taiwan FDA cosmetic regulations
- Tlooto literature search 2 3 4 5
- 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