Ingredient Dictionary

SODIUM ACETATE

Sodium acetate is an organic sodium salt.

How much products actually contain

No product states its amount yet.

Of the products containing it, 45 list it before the 1% line and 127 after it (usually 1% or less).

Products using this ingredient

12 of 171 confirmed · likeliest to carry enough first · See all 171

Definition

Sodium acetate is an organic sodium salt. It contains an acetate.

Source: PubChem

US FDA substance register · UNII NVG71ZZ7P0 · registered name SODIUM ACETATE ANHYDROUS · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

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

Safety & regulatory references

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

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Ｎａ: 本品は、酢酸（＊）のナトリウム塩であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

SODIUM ACETATEINCI소듐아세테이트Korean label name (MFDS standard)Acetic acid, sodium saltSynonym酢酸ＮａJapanese labelling name

CAS No.chemical registry number: 127-09-3
EC No.EU chemical inventory number: 204-823-8
DTXSIDUS EPA chemical ID: DTXSID2027044
DTXCIDUS EPA compound ID: DTXCID507044

IUPAC: Sodium acetate
Molecular formula: C2H3NaO2
Molecular weight: 82.034 g/mol

Measured properties

Appearance: Other Solid, Dry Powder, Large Crystals, Liquid · Anhydrous:White, odourless, granular, hygroscopic powder
Odour: Odorless · odourless
Melting point: 324 °C · 328 °C
Solubility: WATER: 119 G/100 ML @ 0 °C, 170.15 G/100 ML @ 100 °C, SLIGHTLY SOL IN ALCOHOL · Solubility in water, g/100ml at 20 °C: 46.5
Density: 1.528 g/ml · 1.5 g/cm³
Stability: SOLUTIONS ARE STABLE, EFFLORESCES IN WARM, DRY AIR /SODIUM ACETATE TRIHYDRATE, USP/
pH: 8,0-9,5 (1 % aqueous solution) · (7.5-9.2)
Melting/freezing point: 324 ℃
Initial boiling point and range: 881.4 ℃
Flash point: &amp, gt, 250 ℃
Upper/lower flammability or explosive limits: - / - %
Vapour pressure: 0.000000708 ㎜Hg ( at 25c)
Water solubility: (465g/l)
Relative density: 1.528
n-Octanol/water partition coefficient (Kow): -3.72 (est.)
Auto-ignition temperature: 607 ℃
Molecular weight: 82.04

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 57 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 agent17
Degradant/impurity (EPA)9
Flavouring and nutrient5
Pharmaceutical (EPA)3
Anti-static agent3
Processing aids not otherwise specified3
Surfactant (surface active agent)3
Deodorizer2

10 other uses

Fragrance2
Preservative2
Softener and conditioner1
Anti-freeze agent1
Chemical reaction regulator1
Flame retardant1
Dye1
Pigment1
Catalyst1
Biocide1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

1 skin studies and 2 eye studies are on record.

Classed as low1

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 3 studies

Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across