Ingredient Dictionary

CI 42045

Patent blue is an organic molecular entity.

Definition

Patent blue is an organic molecular entity.

Source: PubChem

US FDA substance register · UNII FH1929ICIT · registered name SULFAN BLUE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 42045 is classed chemically as a triphenylmethane colour. It conforms to the formula:

Cosmetic roles

Adds colourCOLORANTDyes hairHAIR DYEING

Safety & regulatory references

Banned: ASEAN · Brazil · European Union · United Kingdom
Restricted or banned: ASEAN · Brazil · China · European Union · Taiwan
Allowed colourant: ASEAN · Taiwan

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

Argentina

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

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 59 · maximum concentration Not to be used in products applied on mucous membranes

Source: EU allowed colourants (Annex IV)

EU Cosmetics Regulation, Annex II (prohibited substances), entry 1355

Source: EU prohibited substances (Annex II)

Restriction II/1355 (Acid Blue 1; CI 42045: when used as a substance in hair dye products) · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Restriction IV/59 (CI 42045) II/1355 (Acid Blue 1; CI 42045: 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

CI 42045INCI산성청색1호Korean label name (MFDS standard)Ethanaminium, N-[4-[[4-(diethylamino)phenyl](2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, hydroxide, inner salt, sodium saltSynonymACID BLUE 1Synonym

CAS No.chemical registry number: 129-17-9
EC No.EU chemical inventory number: 204-934-1
DTXSIDUS EPA chemical ID: DTXSID3026065
DTXCIDUS EPA compound ID: DTXCID406065

IUPAC: Sodium 4-{[4-(diethylamino)phenyl][4-(diethyliminio)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1,3-disulfonate
Molecular formula: C27H31N2NaO6S2
Molecular weight: 566.66 g/mol

Measured properties

Appearance: Sulfan blue is a dark greenish-black powder. (NTP, 1992) · Liquid, Wet Solid
Solubility: Soluble (>=10 mg/ml at 70 °F) (NTP, 1992) · ONE G DISSOLVES IN 20 ML WATER @ 20 °C, PARTLY SOL IN ALCOHOL
pH: 10.37
Melting/freezing point: &amp, gt, 316 ℃
Flash point: 180.6 ℃
Flammability (solid, gas): not flammable
Vapour pressure: 0 ㎜Hg (25℃)
Water solubility: 222.15 g/ℓ (21℃, pH: 10.37)
Vapour density: 0.294 g/㎤
n-Octanol/water partition coefficient (Kow): -2.783 (log Pow, 25℃)
Decomposition temperature: 316~326.6 ℃

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 3 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.

Dye3

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 1 eye studies are on record.

Classed as highly irritating3

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 2 studies

High Frequency of Sensitization
skin sensitisation · Screening · according to other guideline: Data is from Journal with permission
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: as mentioned below equivalent or similar to