Ingredient Dictionary

DICALCIUM PHOSPHATE

Calcium hydrogenphosphate is a calcium phosphate.

How much products actually contain

No product states its amount yet.

Of the products containing it, 253 list it before the 1% line and 15 after it (usually 1% or less).

Products using this ingredient

12 of 266 confirmed · likeliest to carry enough first · See all 266

Definition

Calcium hydrogenphosphate is a calcium phosphate.

Source: PubChem

US FDA substance register · UNII L11K75P92J · registered name Anhydrous dibasic calcium phosphate · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Adds bulkBULKINGCares for the mouthORAL CAREMakes a clear formula opaqueOPACIFYINGScrubs physicallyABRASIVE

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: 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２Ｃａ: 本品は、リン酸（＊）の二カルシウム塩であり、次の化学式で表される。

Source: JCIA labelling names (Japan)

Names & identifiers

DICALCIUM PHOSPHATEINCI다이칼슘포스페이트Korean label name (MFDS standard)Phosphoric acid, calcium salt (1:1)Synonymリン酸２ＣａJapanese labelling name

CAS No.chemical registry number: 7747-93-9
CAS No.chemical registry number: 7757-93-9
EC No.EU chemical inventory number: 231-826-1
DTXSIDUS EPA chemical ID: DTXSID20872529
DTXCIDUS EPA compound ID: DTXCID50820174

IUPAC: Calcium hydrogen phosphate
Molecular formula: CaHO4P
Molecular weight: 136.056 g/mol

Measured properties

Appearance: Large Crystals, CBI, Dry Powder, Other Solid · White crystals or granules, granular powder or powder
Odour: Odorless · odourless
Solubility: Sparingly soluble in water. Insoluble in ethanol · Solubility: cold water 0.0316 g/100 cc @ 38 °C, hot water 0.075 g/100 cc @ 100 °C /Calcium hydrogen phosphate dihydrate/
Density: 2.89 · Monoclinic crystals, density: 2.31 /Calcium hydrogen phosphate dihydrate, brushite/
Stability: STABLE IN AIR
Colour: white
pH: 6.0-7.4
Melting/freezing point: 370 ℃
Water solubility: 0.1 g/100㎖
Relative density: 2.89
n-Octanol/water partition coefficient (Kow): 2.55
Decomposition temperature: 350 ℃
Molecular weight: 136.06

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 71 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.

Biocide45
Flavouring and nutrient7
Soil amendments4
Processing aids not otherwise specified2
Dye2
Filler2
Humectant1
Abrasive1

7 other uses

pH regulating agent1
Leavening agent (EPA)1
Anti-caking agent1
Opacifer1
Emulsifier1
Thickening agent1
Drier1

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
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) equivalent or similar to
Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · EPA OPPTS 870.2400 (Acute Eye Irritation) according to OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion) according to