What is this ingredient?

미국 FDA 물질 등록 · UNII Y428W9WW4D · 등록명 ACID YELLOW 17 · 단일 화학물질

All ingredients

Ingredient Dictionary

CI 18965

CI 18965 is classed chemically as a monoazo colour.

Definition

US FDA substance register · UNII Y428W9WW4D · registered name ACID YELLOW 17 · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 18965 is classed chemically as a monoazo colour. It conforms to the formula:

Cosmetic roles

Adds colourCOLORANT

Safety & regulatory references

Restricted or banned: Argentina · ASEAN · Brazil · China · European Union · South Korea · Taiwan
Allowed colourant: ASEAN · Taiwan

Source: MFDS (Korea) cosmetic regulatory information · ASEAN Cosmetic Directive · Taiwan FDA cosmetic ingredients

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 43

Source: EU allowed colourants (Annex IV)

Restriction IV/43

Source: EU CosIng ingredient list

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

Names & identifiers

CI 18965INCIBenzenesulfonic acid, 2,5-dichloro-4-[4,5-dihydro-3-methyl-5-oxo-4-[(4-sulfophenyl)azo]-1H-pyrazol-1-yl]-, disodium saltSynonym

CAS No.chemical registry number: 6359-98-4
EC No.EU chemical inventory number: 228-819-0
DTXSIDUS EPA chemical ID: DTXSID6041719
DTXCIDUS EPA compound ID: DTXCID301079136

IUPAC: Disodium 2,5-dichloro-4-{3-methyl-5-oxo-4-[(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazol-1-yl}benzene-1-sulfonate
Molecular formula: C16H10Cl2N4Na2O7S2
Molecular weight: 551.28 g/mol

Measured properties

Appearance: Liquid, Wet Solid, Dry Powder · solid
Melting/freezing point: &amp, gt, 0 ℃
Vapour density: 19.0
n-Octanol/water partition coefficient (Kow): -0.84
Molecular weight: 551.288740

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 78 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.

Dye78

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 (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) 29th April 1993 according to EU Method B.6 (Skin Sensitisation)