Are there usage precautions?

비타민 C의 유도체로, 항산화 효과가 있어 피부 노화 방지에 도움을 줍니다.

All ingredients

Ingredient Dictionary

ASCORBYL PALMITATE

Ascorbyl palmitate is a fatty acid ester.

How much products actually contain

13 products state the amountmedian 0%

under 0.01% 13
0.01–0.1% 0
0.1–1% 0
1% or more 0

Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.

Of the products containing it, 440 list it before the 1% line and 169 after it (usually 1% or less).

Products using this ingredient

12 of 606 confirmed · likeliest to carry enough first · See all 606

Definition

Ascorbyl palmitate is a fatty acid ester.

Source: PubChem

US FDA substance register · UNII QN83US2B0N · registered name Ascorbyl Palmitate · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Slows spoilage by oxygenANTIOXIDANTListed 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)

Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Final Report on the Safety Assessment of Ascorbyl Palmitate, Ascorbyl Dipalmitate, Ascorbyl Stearate, Erythorbic Acid, and Sodium Erythorbate

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Safety Assessment of Ethers and Esters of Ascorbic Acid as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

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

Official labels & definitions

JCIA labelling name パルミチン酸アスコルビル: 本品は、パルミチン酸（＊）とアスコルビン酸（＊）のモノエステルであり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

ASCORBYL PALMITATEINCI아스코빌팔미테이트Korean label name (MFDS standard)L-Ascorbic acid, 6-hexadecanoateSynonymパルミチン酸アスコルビルJapanese labelling name

CAS No.chemical registry number: 137-66-6
EC No.EU chemical inventory number: 205-305-4
DTXSIDUS EPA chemical ID: DTXSID3041611
DTXCIDUS EPA compound ID: DTXCID1021611

IUPAC: (2S)-2-[(2R)-3,4-Dihydroxy-5-oxo-2,5-dihydrofuran-2-yl]-2-hydroxyethyl hexadecanoate (non-preferred name)
Molecular formula: C22H38O7
Molecular weight: 414.539 g/mol

Measured properties

Appearance: White or yellowish-white powder with a citrus-like odour · White or yellowish-white solid, Citrus-like odor, [HSDB] Faintly yellow powder, [MSDSonline]
Odour: Citrus-like · odourless
Melting point: Between 107 °C and 117 °C · 112 °C
Solubility: Soluble in alcohol, animal oil, and vegetable oil, slightly soluble in water
Melting/freezing point: 112 ℃
Vapour pressure: (2.09x10-15 mmHg @ 25 ℃, est.)
Water solubility: 0.0744 ㎎/ℓ (@ 25 ℃, est.)
Vapour density: 14.31
n-Octanol/water partition coefficient (Kow): 6 ( est.)
Molecular weight: 414.54

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 22 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.

Antioxidant15
Preservative3
Fragrance2
Deodorizer1
Processing aids not otherwise specified1

Source: US EPA CompTox dashboard