Ingredient Dictionary

PALLADIUM

Palladium is chemical element (nickel group element atom) with atomic number 46.

Definition

Palladium is a metallic element

Palladium is chemical element (nickel group element atom) with atomic number 46. It is a nickel group element atom, a platinum group metal atom and a metal allergen.

Source: PubChem

US FDA substance register · UNII 5TWQ1V240M · registered name Palladium · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Adds colourCOLORANTNo declared roleNOT REPORTED

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

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

Official labels & definitions

JCIA labelling name コロイド性パラジウム: 本品は、水中にパラジウムを懸濁させたものである。

Source: JCIA labelling names (Japan)

JCIA labelling name パラジウム: 本品は、金属元素Pdである。

Source: JCIA labelling names (Japan)

Names & identifiers

PALLADIUMINCI팔라듐Korean label name (MFDS standard)팔라듐콜로이드Korean label name (MFDS standard)COLLOIDAL PALLADIUMSynonymパラジウムJapanese labelling name

CAS No.chemical registry number: 7440-05-3
EC No.EU chemical inventory number: 231-115-6
DTXSIDUS EPA chemical ID: DTXSID4064680
DTXCIDUS EPA compound ID: DTXCID2047644

IUPAC: Palladium
Molecular formula: Pd
Molecular weight: 106.42 g/mol

Measured properties

Appearance: Steel-white metal that does not tarnish in air, Oxidation states: 2+ and 4+, [Nordberg, p. 1113] · Solid
Boiling point: 2963 °C · 2963 °C @760 [mm Hg]
Melting point: 1554.9 °C · 1554.8 °C
Solubility: Soluble in aqua regia and fused alkalies, insoluble in organic acids
Density: 12.02 g/cu cm · 12 @25 °C
Colour: white
Odour: odourless
Melting/freezing point: 1554 ℃
Initial boiling point and range: 2970 ℃
Relative density: 12.02 ()
Molecular weight: 106.40

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 5 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.

Intermediate1
Adsorbent1
No specific technical function1
Dye1
Catalyst1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

2 skin studies and 1 eye studies are on record.

Classed as low2

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

Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation)
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: OECD Guideline 406 (Skin Sensitisation) according to other guideline: EU Method B.6 (Skin Sensitisation) according to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: CFR 21, part 191 12 (revised as of April 1, 1973) according to