Molekula
Triammonium citrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Triammonium citrate is a water-soluble salt of citric acid, commonly used as a buffering agent, chelating agent, and food additive (E380) to improve texture, flavor, and stability in processed foods. It also serves as a mild acidity regulator in pharmaceuticals and cosmetics. CAS 3458-72-8, molecular formula C6H17N3O7, molecular weight 243.22 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies Triammonium citrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White crystal |
| Identification | Conforms to reference |
| pH | 6.5 ~ 7.5 |
| Chloride (Cl-) | ≤0.003% |
| Assay | ≥98.5% |
| Residue on Ignition | ≤0.03% |
| Heavy Metals (Pb) | ≤0.0005% |
| Water insoluble matter | ≤0.005% |
| Iron (Fe) | ≤0.001% |
| Calcium (Ca) | ≤0.01% |
| Sulphates (SO4)(2-) | ≤0.005% |
| Phosphate (PO4)3- | ≤0.002% |
| Oxalic acid salt | Comply with the standard |
| Sulphuric acid test | Comply with the standard |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Water Solubility | Freely soluble in water |
Source: PubChem CID 18954 (EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 90034337 |
| CAS Number | 3458-72-8 |
| IUPAC Name | triazanium;2-hydroxypropane-1,2,3-tricarboxylate |
| EC Number | 222-394-5 |
| Molecular Formula | C6H17N3O7 |
| Molecular Weight | 243.22 |
| Exact Mass | 243.1066 |
| SMILES | C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[NH4+].[NH4+].[NH4+] |
| InChIKey | YWYZEGXAUVWDED-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H8O7.3H3N/c7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);3*1H3 |
| PubChem CID | 18954 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29181550 |
| Tariff Code | 2918150090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, ammonium salt (1:3)
- 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, triammonium salt
- 2-Hydroxy-1,2,3-propanetricarboxylic acid triammonium salt
- 2-hydroxy-1,2,3-propanetricarboxylic acid, ammonium salt (1:3)
- Ammonium citrate (3:1)
- Ammonium citrate tribasic
- Citric acid triammonium salt
- INS NO.380
- tri(azaniumyl) 2-hydroxypropane-1,2,3-tricarboxylate
- triammonium 2-hydroxypropane-1,2,3-tricarboxylate
Frequently asked questions
What is triammonium citrate commonly used for?
Triammonium citrate is primarily used as a buffering agent, chelating agent, and humectant in pharmaceuticals, cosmetics, and food applications.
What is the chemical formula and molecular weight of triammonium citrate?
The chemical formula is C6H17N3O7, and the molecular weight is 243.22 g/mol.
How should triammonium citrate be stored?
Store at ambient temperature in a cool, dry place, away from direct sunlight and incompatible substances.
What grades of triammonium citrate does Molekula supply?
Molekula supplies pharmaceutical-grade (EP/USP/JP) and food-grade triammonium citrate, depending on application requirements.
Can Molekula supply triammonium citrate in bulk quantities?
Yes, Molekula offers bulk packaging options (e.g., 25 kg drums, 50 kg bags) for large-scale industrial or commercial needs.
What documentation comes with a triammonium citrate order?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.