Molekula
Tetrabutylammonium dihydrogen phosphate - C16H38NO4P
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
Tetrabutylammonium dihydrogen phosphate (CAS 5574-97-0) is an ionic liquid phase transfer catalyst and buffer reagent widely used in organic synthesis, chromatography, and electrochemical applications for enhancing reaction efficiency and solubility. It has a molecular formula of C16H38NO4P and a molecular weight of 339.45 g/mol. Store at ambient conditions with a signal word warning for safety. Molekula supplies Tetrabutylammonium dihydrogen phosphate 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.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £29.10 per pack ex VAT · £34.92 inc. VAT
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500 g — £1,100.00 per pack ex VAT · £1,320.00 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White, Off-white, slightly pink or yellow powder, crystals or lumps. |
| Identification | Conforms to reference |
| Assay | ≥97.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 46939015 |
| CAS Number | 5574-97-0 |
| IUPAC Name | dihydrogen phosphate;tetrabutylazanium |
| EC Number | 226-947-1 |
| Molecular Formula | C16H38NO4P |
| Molecular Weight | 339.45 |
| Exact Mass | 339.2538 |
| SMILES | CCCC[N+](CCCC)(CCCC)CCCC.OP(=O)(O)[O-] |
| InChIKey | ARRNBPCNZJXHRJ-UHFFFAOYSA-M |
| InChI | InChI=1S/C16H36N.H3O4P/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H3,1,2,3,4)/q+1;/p-1 |
| PubChem CID | 2735142 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2923.90.01.00 |
| Tariff Code | 2923900090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P231+232 Handle under inert gas. Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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-Butanaminium, N,N,N-tributyl-, phosphate (1:1)
- ARRNBPCNZJXHRJ-UHFFFAOYSA-M
- dihydrogen phosphate;tetrabutylammonium
- dihydrogen phosphate;tetrabutylazanium
- TBAP
- tetrabutylammonium dihy
- Tetrabutylammonium dihydrogen phosphate
- TETRABUTYLAMMONIUM PHOSPHATE
- Tetrabutylammonium phosphate monobasic
- Tetranbutylammonium phosphate
Frequently asked questions
What is Tetrabutylammonium dihydrogen phosphate (CAS 5574-97-0) commonly used for?
It is primarily used as a phase-transfer catalyst in organic synthesis, particularly for reactions like alkylations, oxidations, and polymerizations.
What is the molecular formula and molecular weight of this compound?
The molecular formula is **C₁₆H₃₈NO₄P**, and the molecular weight is **339.45 g/mol**.
How should Tetrabutylammonium dihydrogen phosphate be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture and strong oxidizing agents.
What purity grades are available for this product?
We supply this compound in **technical grade** and **analytical standard grade** (if applicable).
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options—please contact us for specific quantities and pricing.
What documentation comes with an order of this chemical?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **packing list**.
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.