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Ingredient Dictionary

ZINC CHLORIDE

Korean limit
1%
Molecular structure

How much products actually contain

No product states its amount yet.

Of the products containing it, 4 list it before the 1% line and 44 after it (usually 1% or less).

Products using this ingredient

12 of 48 confirmed · likeliest to carry enough first · See all 48

Definition

US FDA substance register · UNII 86Q357L16B · registered name Zinc chloride · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Zinc Chloride is the inorganic salt that conforms to the formula:

Cosmetic roles

Cares for the mouthORAL CAREGives a tightening feelASTRINGENTInhibits microbial growthANTIMICROBIALEases skin discomfortSOOTHING

Safety & regulatory references

Restricted
China · South Korea

Source: MFDS (Korea) cosmetic regulatory information

Argentina · Brazil

  • Maximum concentration permitted at final product : 1% calculated as zinc.

ASEAN

  • Maximum authorised concentration in the finished cosmetic product : 1% calculated as zinc

Taiwan

  • 1%

European Union

  • Restrictions
  • Maximum concentration : 1%

Source: MFDS (Korea) cosmetic regulatory information

Korea’s toxic-substance GHS classification: Danger · H400 (category 1) · H314 (category 1) · H302 (category 4) · +1 more

Source: Korea toxic substances GHS register (NIER)

Restriction III/24

Source: EU CosIng ingredient list

Reviewed by CIR: Final Report: Safety Assessment of Zinc Salts as Used in Cosmetics

Source: US Cosmetic Ingredient Review (CIR)

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

Official labels & definitions

JCIA labelling name 塩化亜鉛: 本品は、亜鉛の塩化物であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

ZINC CHLORIDEINCI징크클로라이드Korean label name (MFDS standard)Zinc chloride (ZnCl2)Synonym塩化亜鉛Japanese labelling name
CAS No.chemical registry number
7646-85-7
EC No.EU chemical inventory number
231-592-0
DTXSIDUS EPA chemical ID
DTXSID2035013
DTXCIDUS EPA compound ID
DTXCID0015013
IUPAC
Zinc dichloride
Molecular formula
Cl2Zn
Molecular weight
136.28 g/mol

Measured properties

Appearance
Zinc chloride is a white crystalline solid. It is soluble in water. It is corrosive to metals and therefore irritating to the skin, eyes and mucous membranes. It is used for preserving wood, in soldering fluxes, as a catalyst in chemical metals and manufacturing, and for many other uses. · Zinc chloride, solution is a colorless liquid. It is mildly corrosive to metals. It causes burns to eyes, skin and mucous membranes.
Odour
Odorless · FUME HAS AN ACRID ODOR /ZINC CHLORIDE FUMES/
Boiling point
1350 °F at 760 mmHg (NIOSH, 2024) · Very high (USCG, 1999)
Melting point
554 °F (NIOSH, 2024) · 541 °F (USCG, 1999)
Solubility
435 % at 70 °F (NIOSH, 2024) · 432 g/100 g water at 25 °C, 614 g/100 g water at 100 °C
Density
2.91 at 77 °F (NIOSH, 2024) - Denser than water, will sink · 2.91 at 77 °F (USCG, 1999) - Denser than water, will sink
Colour
white
Melting/freezing point
290~313 ℃
Initial boiling point and range
732 ℃
Flammability (solid, gas)
not flammable
Vapour pressure
1 ㎩ (305℃)
Water solubility
851 g/ℓ (20℃, pH: &amp, lt, 0)
Vapour density
2.93 g/㎤
Relative density
2.907 (25℃)
Viscosity
100~200 mPa S
Molecular weight
136.29

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 47 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.

  • Astringent (EPA)15
  • Corrosion inhibitor7
  • Flavouring and nutrient2
  • Humectant2
  • Solvent2
  • Soil amendments2
  • Chelating agent1
  • Preservative1
15 other uses
  • Cleaning agent1
  • Flame retardant1
  • Oxidizing agent1
  • Processing aids not otherwise specified1
  • Dehydrating agent (desiccant)1
  • Biocide1
  • Pharmaceutical (EPA)1
  • Flotation agent1
  • Chemical reaction regulator1
  • Intermediate1
  • Plating agent1
  • Ion exchange agent1
  • Stabilizing agent1
  • Adhesion/cohesion promoter1
  • Surface modifier1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

5 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 8 studies
  • Classification not possible
    Skin Sensitization · Screening
  • Category 1
    Skin Irritation · Screening
  • Category 8.2C (Category 1C)
    Skin Irritation · Read Across
  • Skin Corr. 1B
    Skin Irritation · Screening
  • Skin Corr. 1B
    Skin Irritation · Authoritative
  • Category 8.3A (Category 1)
    Eye Irritation · Read Across
  • Eye Dam. 1
    Eye Irritation · Screening
  • Category 1
    Eye Irritation · Screening

Source: US EPA CompTox dashboard

Related literature

Linked databases 22

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