Ingredient Dictionary

TRICALCIUM PHOSPHATE

Tricalcium bis(phosphate) is a calcium phosphate.

How much products actually contain

No product states its amount yet.

Of the products containing it, 3 list it before the 1% line and 4 after it (usually 1% or less).

Products using this ingredient

5 of 5 confirmed · likeliest to carry enough first

Definition

Tricalcium bis(phosphate) is a calcium phosphate.

Source: PubChem

US FDA substance register · UNII K4C08XP666 · registered name TRICALCIUM PHOSPHATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Stops powders from cakingANTICAKINGCares for the mouthORAL CAREListed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCEScrubs physicallyABRASIVEMakes a clear formula opaqueOPACIFYING

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: Safety Assessment of Phosphoric Acid and Its 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 リン酸３Ｃａ: 本品は、次の化学式で表されるリン酸（＊）のカルシウム塩である。

Source: JCIA labelling names (Japan)

Names & identifiers

TRICALCIUM PHOSPHATEINCI트라이칼슘포스페이트Korean label name (MFDS standard)Phosphoric acid, calcium salt (2:3)Synonymリン酸３ＣａJapanese labelling name

CAS No.chemical registry number: 7758-87-4
EC No.EU chemical inventory number: 231-840-8
DTXSIDUS EPA chemical ID: DTXSID1049803
DTXCIDUS EPA compound ID: DTXCID5029762

IUPAC: Calcium phosphate (3/2)
Molecular formula: Ca3O8P2
Molecular weight: 310.174 g/mol

Measured properties

Appearance: Calcium phosphate is an odorless white solid. Sinks and mixes with water. (USCG, 1999) · Dry Powder, Liquid
Odour: Odorless · odourless
Melting point: >450 · 1670 °C
Solubility: 7.7g/L · Practically insoluble in water, insoluble in ethanol, soluble in dilute hydrochloric and nitric acid
Density: 2 to 3 at 68 °F (USCG, 1999) · 3.14 g/cu cm
Stability: STABLE IN AIR /TRIBASIC CALCIUM PHOSPHATE, NATIONAL FORMULARY/
Colour: white
pH: 5-7 (at 100g/l 20℃)
Melting/freezing point: &amp, gt, 1000 ℃
Vapour pressure: 68 ㎜Hg (at 0℃)
Water solubility: &amp, lt, 1 ㎎/ℓ (at 25℃)
Vapour density: 10.7 (air=1)
Relative density: 3.14
Molecular weight: 310

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 42 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.

Anti-caking agent7
Flavouring and nutrient7
Opacifer5
Abrasive3
Dispersing agent2
Pigment2
Soil amendments2
Deodorizer2

12 other uses

Other1
Thickening agent1
Softener and conditioner1
Drier1
pH regulating agent1
Leavening agent (EPA)1
Filler1
Humectant1
Surfactant (surface active agent)1
Fragrance1
Processing aids not otherwise specified1
Emulsifier1

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) 1992
Not likely to be sensitizing
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EU Method B.42 (Skin Sensitisation: Local Lymph Node Assay)
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to