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Ingredients

Ingredient Dictionary

ACID RED 35

Molecular structure

Definition

US FDA substance register · UNII 02BXM5Q7GE · registered name ACID RED 35 · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Dyes hairHAIR DYEING

Safety & regulatory references

Banned
Argentina · ASEAN · Brazil · China · European Union · South Korea · Taiwan · United Kingdom

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

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

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex II (prohibited substances), entry 1295

Source: EU prohibited substances (Annex II)

Restriction II/1295 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

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

Names & identifiers

ACID RED 35INCI2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-4-hydroxy-3-[(2-methylphenyl)azo]-, disodium saltSynonym산성적색35호Korean label name (MFDS standard)
CAS No.chemical registry number
6441-93-6
EC No.EU chemical inventory number
229-231-7
DTXSIDUS EPA chemical ID
DTXSID7064360
DTXCIDUS EPA compound ID
DTXCID6044305
IUPAC
Disodium 5-acetamido-4-hydroxy-3-[(2-methylphenyl)diazenyl]naphthalene-2,7-disulfonate
Molecular formula
C19H15N3Na2O8S2
Molecular weight
523.44 g/mol

Measured properties

Appearance
solid
Melting/freezing point
349.84 ℃
Initial boiling point and range
967.63 ℃
Vapour pressure
155000000000000000000000000 ㎜Hg (1.55E+26 mmHg(est))
Water solubility
696.5 ㎎/ℓ
Molecular weight
523.44

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

Irritation and sensitisation studies

1 skin studies and 0 eye studies are on record.

Classed as moderate1

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
  • SkinSens1
    Skin Sensitization · QSAR Predicted

Source: US EPA CompTox dashboard

Linked databases 16