Ingredient Dictionary

TIN

Tin atom is a post-transition metal atom and a carbon group element atom.

TIN Molecular structure — Molecular structure

Definition

Tin atom is a post-transition metal atom and a carbon group element atom. It has a role as a micronutrient.

Source: PubChem

US FDA substance register · UNII 387GMG9FH5 · registered name TIN · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Tin is a metallic element

Cosmetic roles

Changes the surface of powdersSURFACE MODIFIER

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

Official labels & definitions

JCIA labelling name スズ: 本品は、元素 Sn である。

Source: JCIA labelling names (Japan)

Names & identifiers

TININCI주석Korean label name (MFDS standard)スズJapanese labelling name

CAS No.chemical registry number: 7440-31-5
EC No.EU chemical inventory number: 231-141-8
DTXSIDUS EPA chemical ID: DTXSID1049801
DTXCIDUS EPA compound ID: DTXCID701323006

IUPAC: Tin
Molecular formula: Sn
Molecular weight: 118.71 g/mol

Measured properties

Appearance: White TIN is an almost silver-white, ductile, malleable, lustrous solid. mp 232 °C, bp: 2507 °C. Density: 7.3 g/cm3. Pure white tin becomes non-metallic powdery gray tin if held for a sustained period at temperatures less than 13 °C. · Dry Powder, Other Solid, Wet Solid
Odour: Odorless · odourless
Boiling point: 4545 °F at 760 mmHg (NIOSH, 2024) · 2507 °C
Melting point: 449 °F (NIOSH, 2024) · 231.9 °C
Solubility: Insoluble (NIOSH, 2024) · SOL IN HYDROCHLORIC ACID, SULFURIC ACID, AQUA REGIA, ALKALI, SLIGHTLY SOL IN DIL NITRIC ACID, INSOL IN WATER
Density: 7.28 (NIOSH, 2024) - Denser than water, will sink · 7.265 (white), 5.769 (gray)
Stability: STABLE IN AIR, BUT WHEN IN POWDER FORM IT OXIDIZES, ESP IN PRESENCE OF MOISTURE · stablilizes <18 °C
Viscosity: 1.85 mPa-s (=cP)@ 240 °C (MP) · 1.85 (240℃)
Colour: white
Melting/freezing point: 231.9 ℃
Initial boiling point and range: 2260 ℃
Relative density: 7.2
Molecular weight: 118.71

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 40 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.

Degradant/impurity (EPA)12
Corrosion inhibitor5
Alloying element4
Plating agent3
Filler3
Ion exchange agent2
Stabilizing agent2
Binder2

7 other uses

Lubricating agent1
Solvent1
Abrasive1
Surface modifier1
Intermediate1
Surfactant (surface active agent)1
Antioxidant1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 3 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 6 studies

Classification not possible
Skin Irritation · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Classification not possible
Skin Sensitization · Screening
Classification not possible
Eye Irritation · Screening
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to
Category 6.4A (Category 2A)
Eye Irritation · Read Across