Definition
US FDA substance register · UNII A1Y870209Z · registered name MAGNESIUM PHOSPHATE, DIBASIC · single chemical substance
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Reviewed by CIR: Safety Assessment of Phosphoric Acid and Its Salts as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name リン酸水素Mg: 本品は、次の化学式で表される無機塩である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 7757-86-0
- CAS No.chemical registry number
- 7782-75-4
- EC No.EU chemical inventory number
- 231-823-5
- DTXSIDUS EPA chemical ID
- DTXSID00872522
- DTXCIDUS EPA compound ID
- DTXCID10820170
- IUPAC
- Magnesium hydrogen phosphate
- Molecular formula
- HMgO4P
- Molecular weight
- 120.283 g/mol
Measured properties
- Appearance
- White, odourless, crystalline powder, slightly soluble in water · solid
- Colour
- white
- Melting/freezing point
- &, gt, 723 K
- Initial boiling point and range
- 550~650 ℃
- Water solubility
- 0.578 g/ℓ (20℃, pH: 7.4~7.6)
- Vapour density
- 2.17 g/㎤ (21.5℃)
- Relative density
- 2.17
- Molecular weight
- 120.28
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 2 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.
- Soil amendments1
- Anti-caking agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
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
Source: US EPA CompTox dashboard
Linked databases 17
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- JCIA labelling names (Japan)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Chinese