Diammonium citrate is a citrate salt in which two of the three carboxy groups are deprotonated and associated with ammonium ions as counter-cations.
Definition
Diammonium citrate is a citrate salt in which two of the three carboxy groups are deprotonated and associated with ammonium ions as counter-cations. It has a role as a buffer. It is an ammonium salt and a citrate salt.
Source: PubChem
US FDA substance register · UNII N9BUG430K8 · registered name AMMONIUM CITRATE, 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 Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name クエン酸ジアンモニウム: 本品は、クエン酸（＊）のジアンモニウム塩で次の化学式で表される。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 3012-65-5
- EC No.EU chemical inventory number
- 221-146-3
- DTXSIDUS EPA chemical ID
- DTXSID5020079
- DTXCIDUS EPA compound ID
- DTXCID5079
- IUPAC
- Diammonium 2-(carboxymethyl)-2-hydroxybutanedioate
- Molecular formula
- C6H14N2O7
- Molecular weight
- 226.185 g/mol
Measured properties
- Appearance
- Ammonium citrate is a white granular solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used in pharmaceuticals, and in chemical analysis. · Liquid, Large Crystals
- Odour
- Slight ammoniacal
- Solubility
- Slightly soluble in alcohol · Soluble in about 1 part water
- Density
- 1.48 at 68 °F (USCG, 1999) - Denser than water, will sink · 1.48 g/cu cm
- pH
- pH = 4.3 (0.1 molar soln in water) · 4.3 ()
- Colour
- white
- Vapour pressure
- 0.0000000000000000331 ㎜Hg (3.31E-017 mmHg at 25℃ (est.))
- Water solubility
- ( 500g/L)
- Relative density
- 1.5 ()
- n-Octanol/water partition coefficient (Kow)
- -2.84 ((est.))
- Molecular weight
- 226.19
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 6 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.
- Corrosion inhibitor2
- Semiconductor and photovoltaic agent1
- pH regulating agent1
- Chelating agent1
- Lubricating agent1
Source: US EPA CompTox dashboard
Related literature
Linked databases 19
- 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 2
- 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