Phosphonate(1-) is a monovalent inorganic anion obtained by deprotonation of one of the two OH groups in phosphonic acid.
Definition
US FDA substance register · UNII MTK99R3UV0 · registered name METAPHOSPHORIC ACID · polymer
Phosphonate(1-) is a monovalent inorganic anion obtained by deprotonation of one of the two OH groups in phosphonic acid. It is a phosphorus oxoanion and a monovalent inorganic anion. It is a conjugate base of a phosphonic acid. It is a conjugate acid of a phosphonate(2-).
Source: PubChem
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
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
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 10343-62-1
- CAS No.chemical registry number
- 37267-86-0
- EC No.EU chemical inventory number
- 233-750-4
- EC No.EU chemical inventory number
- 253-433-4
- DTXSIDUS EPA chemical ID
- DTXSID301015564
Measured properties
- Appearance
- Colorless odorless solid, [Merck Eurolab MSDS]
- Boiling point
- 260 °C @760 [mm Hg]
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 3 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.
- pH regulating agent1
- Chelating agent1
- Intermediate1
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
- Category 8.2C (Category 1C)
Skin Irritation · Read Across - Skin corrosion/irritation - Category 1A
Skin Irritation · Screening - Category 8.3A (Category 1)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard
Related literature
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Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- PubChem 2
- Tlooto literature search 2
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2
- US EPA CompTox dashboard
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata