What is this ingredient?

미국 FDA 물질 등록 · UNII Q40Q9N063P · 등록명 Acetic Acid · 단일 화학물질

All ingredients

Ingredient Dictionary

ACETIC ACID

Acetic acid is a simple monocarboxylic acid containing two carbons.

How much products actually contain

No product states its amount yet.

Of the products containing it, 28 list it before the 1% line and 78 after it (usually 1% or less).

Products using this ingredient

12 of 106 confirmed · likeliest to carry enough first · See all 106

Definition

US FDA substance register · UNII Q40Q9N063P · registered name Acetic Acid · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Acetic acid is a simple monocarboxylic acid containing two carbons. It has a role as a protic solvent, a food acidity regulator, an antimicrobial food preservative and a Daphnia magna metabolite. It is a conjugate acid of an acetate.

Source: PubChem

Acetic Acid is the organic acid that conforms to the formula:

Cosmetic roles

Keeps pH steadyBUFFERINGListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE

Safety & regulatory references

Korea’s toxic-substance GHS classification: Danger · H226 (category 3) · H314 (category 1A)

Source: Korea toxic substances GHS register (NIER)

Reviewed by CIR: Final Report of the Cosmetic Ingredient Reveiw Expert Panel on the Safety Assessment of Methyl Acetate

Source: US Cosmetic Ingredient Review (CIR)

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

Official labels & definitions

JCIA labelling name 酢酸: 本品は、次の化学式で表される有機酸である。

Source: JCIA labelling names (Japan)

JCIA labelling name 酢酸（セチル／ラノリル）: 本品は、酢酸（＊）とセタノール（＊）及びラノリンアルコール（＊）のエステルである。

Source: JCIA labelling names (Japan)

Names & identifiers

ACETIC ACIDINCI아세틱애씨드Korean label name (MFDS standard)酢酸Japanese labelling name

CAS No.chemical registry number: 64-19-7
EC No.EU chemical inventory number: 200-580-7
DTXSIDUS EPA chemical ID: DTXSID5024394
DTXCIDUS EPA compound ID: DTXCID304394

IUPAC: Acetic acid
Molecular formula: C2H4O2
Molecular weight: 60.052 g/mol

Measured properties

Appearance: Acetic acid, glacial appears as a clear colorless liquid with a strong odor of vinegar. Flash point 104 °F. Density 8.8 lb / gal. Corrosive to metals and tissue. Used to make other chemicals, as a food additive, and in petroleum production. · Acetic acid, solution, more than 10% but not more than 80% acid appears as a colorless aqueous solution. Smells like vinegar. Corrosive to metals and tissue.
Odour: Pungent · Sour, vinegar-like odor
Boiling point: 244 °F at 760 mmHg (NTP, 1992) · 117.9 °C
Melting point: 61.9 °F (NTP, 1992) · 16.6 °C
Solubility: greater than or equal to 100 mg/mL at 73 °F (NTP, 1992) · 1000000 mg/L (at 25 °C)
Colour: colourless
pH: 2.4
Melting/freezing point: 16.6 ℃
Initial boiling point and range: 117.9 ℃
Flash point: 39 ℃
Upper/lower flammability or explosive limits: 17 / 6 %
Vapour pressure: 20.79 hPa(25℃)
Water solubility: 302.9 g/ℓ(25℃)
Relative density: 1.05 (25℃)
n-Octanol/water partition coefficient (Kow): -0.17
Auto-ignition temperature: 485 ℃
Viscosity: 1.056 cP(25℃)
Molecular weight: 60.0516

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 130 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.

pH regulating agent47
Fragrance9
Processing aids not otherwise specified9
No specific technical function7
Flavouring and nutrient5
Solvent5
Degradant/impurity (EPA)5
Biocide4

22 other uses

Intermediate4
Catalyst4
Cleaning agent3
Chelating agent3
Reducing agent2
Dye2
Chemical reaction regulator2
Soil amendments2
Lubricating agent2
Monomers2
Deodorizer2
Etching agent1
Flocculating agent1
Photosensitive agent1
Plasticizer1
Corrosion inhibitor1
Fixing agent (mordant)1
Surfactant (surface active agent)1
Softener and conditioner1
Solubility enhancer1
Defoamer1
Surface modifier1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

8 skin studies and 3 eye studies are on record.

Classed as highly irritating1

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 11 studies

Skin Corr. 1A
Skin Irritation · Authoritative
Category 8.2C (Category 1C)
Skin Irritation · Read Across
Classification not possible
Skin Sensitization · Screening
Category 1
Skin Irritation · Screening
Category 8.2B (Category 1B)
Skin Irritation · Read Across
Moderate or Mild Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Skin corrosion/irritation - Category 1
Skin Irritation · Screening
Skin Corr. 1A
Skin Irritation · Screening
Category 8.3A (Category 1)
Eye Irritation · Read Across
Eye Dam. 1
Eye Irritation · Screening
Category 1
Eye Irritation · Screening