Ingredient Dictionary

1-NAPHTHALENEACETIC ACID

1-naphthaleneacetic acid is a naphthylacetic acid substituted by a carboxymethyl group at position 1.

Definition

1-naphthaleneacetic acid is a naphthylacetic acid substituted by a carboxymethyl group at position 1. It has a role as a synthetic auxin. It is a conjugate acid of a 1-naphthaleneacetate.

Source: PubChem

US FDA substance register · UNII 33T7G7757C · registered name 1-Naphthaleneacetic Acid · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

1-Naphthaleneacetic Acid is the organic compound

Cosmetic roles

Keeps skin in good condition (CosIng catch-all)SKIN CONDITIONING

Safety & regulatory references

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

Source: Korea toxic substances GHS register (NIER)

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

Names & identifiers

1-NAPHTHALENEACETIC ACIDINCI1-나프탈렌아세틱애씨드Korean label name (MFDS standard)

CAS No.chemical registry number: 86-87-3
DTXSIDUS EPA chemical ID: DTXSID8020915
DTXCIDUS EPA compound ID: DTXCID60915

IUPAC: (Naphthalen-1-yl)acetic acid
Molecular formula: C12H10O2
Molecular weight: 186.21 g/mol

Measured properties

Appearance: solid
Colour: white
Odour: odourless
pH: 4.23 (pKa)
Melting/freezing point: 133 ℃
Initial boiling point and range: 352 ℃
Vapour pressure: 0.0000159 ㎜Hg
Water solubility: 420 ㎎/ℓ
Relative density: 1.263
n-Octanol/water partition coefficient (Kow): 2.24
Molecular weight: 186.21

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 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.

Soil amendments1
Softener and conditioner1
Biocide1

Source: US EPA CompTox dashboard