What is this ingredient?

미국 FDA 물질 등록 · UNII Z525CBK9PG · 등록명 PONCEAU 4R · 단일 화학물질

All ingredients

Ingredient Dictionary

CI 16255

CI 16255 is classed chemically as a monoazo colour.

Definition

US FDA substance register · UNII Z525CBK9PG · registered name PONCEAU 4R · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 16255 is classed chemically as a monoazo colour. It conforms to the formula:

Cosmetic roles

Adds colourCOLORANTDyes hairHAIR DYEING

Safety & regulatory references

Restricted: China · Japan · South Korea · Taiwan · United Kingdom
Allowed colourant: Taiwan

Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations · UK cosmetics regulations (OPSS)

Argentina · Brazil

Field of application and/or use : Dye Substances allowed for all kinds of products.

ASEAN

Field of application : Colouring agents allowed in all cosmetic products

European Union

Product Type, body parts : Hair dye substance in non-oxidative hair dye products
Maximum concentration in ready for use preparation : 0.5%

Source: MFDS (Korea) cosmetic regulatory information

Not classified under Korea’s toxic-substance GHS list · existing chemical substance

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 35

Source: EU allowed colourants (Annex IV)

Restriction III/192 (Acid Red 18; Acid Red 18 Aluminum Lake) IV/35 (CI 16255) · Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Opinion on Acid Red 18

Source: EU CosIng ingredient list

Restriction IV/35 (CI 16255) III/192 (Acid Red 18; Acid Red 18 Aluminum Lake) · SCCS opinion: Opinion on Acid Red 18

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 赤１０２: 本品は、昭和41年厚生省令第30号に示される赤色102号又はそのアルミニウムレーキである。

Source: JCIA labelling names (Japan)

Names & identifiers

CI 16255INCI적색102호Korean label name (MFDS standard)1,3-Naphthalenedisulfonic acid, 7-hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-, trisodium saltSynonym산성적색18호Korean label name (MFDS standard)ACID RED 18Synonym赤１０２Japanese labelling name

CAS No.chemical registry number: 2611-82-7
EC No.EU chemical inventory number: 220-036-2
DTXSIDUS EPA chemical ID: DTXSID9021213
DTXCIDUS EPA compound ID: DTXCID501507484

IUPAC: Trisodium 7-hydroxy-8-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate
Molecular formula: C20H11N2Na3O10S3
Molecular weight: 604.46 g/mol

Measured properties

Appearance: solid
Odour: odourless
Vapour pressure: 0.00000000000000000000000000129 ㎜Hg (@ 25 °C)
Water solubility: 80000 ㎎/ℓ
n-Octanol/water partition coefficient (Kow): 1.63
Molecular weight: 604.48

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 11 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.

Dye10
Pigment1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as low1

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 1 studies

Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · equivalent or similar to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay)