Dipotassium hydrogen phosphate is a potassium salt that is the dipotassium salt of phosphoric acid.
How much products actually contain
No product states its amount yet.
Of the products containing it, 10 list it before the 1% line and 49 after it (usually 1% or less).
Products using this ingredient
12 of 59 confirmed · likeliest to carry enough first · See all 59
M·A·CM·A·C Gently Off Dual-Phase Makeup Remover - 3.4 fl oz
PUREDERMReal Petal MG Gel Mask (Calendula)
PUREDERMReal Petal MG Gel Mask (Rose)
3WAAUAir Touch Silk Oil Serum
AnuaPDRN 100 Hyaluronic Acid Booster Toner 250ml
CREMORLABT.E.N Cremor® Skin Renewal Cream
CREMORLABCremorlab T.E.N Cremor® Skin Renewal Cream
CREMORLABMacro Serum Mask® 3D Renewing 4 Sheets
CREMORLABCremorlab Macro Serum Mask® 3D Renewing 4 Sheets
CellFusionCAqua Porin Cream
Aveeno BabyAveeno Baby Dermexa Ato Nighttime Balm 312g
ILLIYOONFresh Moisture Lip & Eye Remover 300ml
Definition
Dipotassium hydrogen phosphate is a potassium salt that is the dipotassium salt of phosphoric acid. It has a role as a buffer. It is an inorganic phosphate and a potassium salt.
Source: PubChem
US FDA substance register · UNII CI71S98N1Z · registered name Dibasic potassium phosphate · 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２Ｋ: 本品は、リン酸（＊）の二カリウム塩であり、次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 7758-11-4
- EC No.EU chemical inventory number
- 231-834-5
- DTXSIDUS EPA chemical ID
- DTXSID8035506
- DTXCIDUS EPA compound ID
- DTXCID6015506
- IUPAC
- Dipotassium hydrogen phosphate
- Molecular formula
- HK2O4P
- Molecular weight
- 174.174 g/mol
Measured properties
- Colour
- white
- Odour
- odourless
- pH
- 8.5-9.6 ()
- Relative density
- 2.3 ()
- Molecular weight
- 174.18
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 58 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 agent16
- Soil amendments9
- Corrosion inhibitor7
- Flavouring and nutrient6
- Pharmaceutical (EPA)5
- Processing aids not otherwise specified4
- Anti-freeze agent2
- Anti-scaling agent2
7 other uses
- Intermediate1
- Other1
- Chelating agent1
- Heat transferring agent1
- Thickening agent1
- Emulsifier1
- Cleaning agent1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
5 skin studies and 3 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 8 studies
- 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) - Ambiguous
skin irritation: in vivo · Screening · other guideline: Code of Federal Regulations, Section 1500.41. according to - 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
skin irritation: in vivo · Screening · other guideline: no data according to - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to other guideline: FIFRA Vol 43, No 143 of the Federal register, August 22, 1978, Part 163.81-5. according to other guideline: TSCA Vol. 44, No. 145 of the Federal Register, July 26, 1979, Part 772.112-25 according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to other guideline: FIFRA: Pesticide Assessment Guidelines, Subdivision F; Hazard Evaluation: Human and Domestic Animals; Office of Pesticide and Toxic Substances, November 1982; Section 81-4, Primary Eye Irritation Study, according to other guideline: TSCA; Health Effects Test Guidelines; Office of Toxic Substances, Office of Pesticides and Toxic Substances, US EPA, August 1982, Acute Exposure, Primary Eye Irritation Primary eye irritation according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: Code of Federal Regulations, Section 1500.42 according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: FMC Preliminary Eye Irritation Protocol dated July 10, 1986. according to OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Source: US EPA CompTox dashboard
Related literature
Linked databases 20
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- China inventory of existing ingredients (IECIC)
- 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
- Tlooto literature search 2
- 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 · Japanese · Chinese