What is this ingredient?

미국 FDA 물질 등록 · UNII 4SA5S34DWJ · 등록명 FOOD BLACK 2 · 단일 화학물질

All ingredients

Ingredient Dictionary

CI 27755

CI 27755 is classed chemically as a disazo colour.

Definition

US FDA substance register · UNII 4SA5S34DWJ · registered name FOOD BLACK 2 · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 27755 is classed chemically as a disazo colour. It conforms to the formula:

Cosmetic roles

Adds colourCOLORANT

Safety & regulatory references

Banned: Argentina · ASEAN · Brazil · European Union · United Kingdom
Restricted or banned: Argentina · 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

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 52

Source: EU allowed colourants (Annex IV)

EU Cosmetics Regulation, Annex II (prohibited substances), entry 1354

Source: EU prohibited substances (Annex II)

Restriction IV/52 II/1354 (Food Black 2; CI 27755: 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 27755INCI2,7-Naphthalenedisulfonic acid, 6-amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium saltSynonym

CAS No.chemical registry number: 2118-39-0
EC No.EU chemical inventory number: 218-326-9
DTXSIDUS EPA chemical ID: DTXSID40879792
DTXCIDUS EPA compound ID: DTXCID001017797

IUPAC: Tetrasodium 6-amino-4-hydroxy-3-[(E)-{7-sulfinato-4-[(E)-(4-sulfonatophenyl)diazenyl]naphthalen-1-yl}diazenyl]naphthalene-2,7-disulfonate
Molecular formula: C26H15N5Na4O12S4
Molecular weight: 809.63 g/mol

Measured properties

Appearance: solid
Melting/freezing point: 349.84 ℃(est.)
Molecular weight: 809.63 (est.)

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 1 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.

Dye1

Source: US EPA CompTox dashboard