Molekula
Tetrabutylammonium hydrogen sulfate (TBAHS) for HPLC
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 hydrogen sulfate (TBAHS) is an ionic liquid phase-transfer catalyst widely used in high-performance liquid chromatography (HPLC) to enhance separation efficiency, particularly for polar and ionic compounds. It functions as a pairing ion for ion-pairing chromatography, improving retention and peak symmetry. CAS 32503-27-8, molecular formula (CH3CH2CH2CH2)4N(HSO4), molecular weight 339.53 g/mol, and requires ambient storage. Marked with a **Danger** signal word due to its hazardous nature. Molekula supplies Tetrabutylammonium hydrogen sulfate 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
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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10 g — £99.00 per pack ex VAT · £118.80 inc. VAT
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50 g — £315.00 per pack ex VAT · £378.00 inc. VAT
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 crystalline powder |
| Identification | Conforms to reference |
| Assay | ≥ 99.0% |
| Free Amine | ≤ 0.5% |
| Moisture | ≤ 0.5% |
| Chromaticity | ≤ 200 |
| Suitable for ion pair chromatography | suitable |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90034313 |
| CAS Number | 32503-27-8 |
| Molecular Formula | (CH3CH2CH2CH2)4N(HSO4) |
| Molecular Weight | 339.53 |
| SMILES | CCCC[N+](CCCC)(CCCC)CCCC.OS(=O)(=O)[O-] |
| UN Number | UN3261 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29239001 |
| Tariff Code | 2923900090 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, Portuguese, 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
No alternate names recorded for this product.
Frequently asked questions
What is Tetrabutylammonium hydrogen sulfate (TBAHS) used for in HPLC applications?
TBAHS is primarily used as an ion-pairing reagent in HPLC to improve the separation of ionic and polar compounds, particularly for hydrophobic analytes like phenols, carboxylic acids, and sulfonates.
What is the chemical formula and molecular weight of TBAHS?
The chemical formula is **(CH₃CH₂CH₂CH₂)₄N(HSO₄)**, and the molecular weight is **339.53 g/mol**.
How should TBAHS be stored?
Store TBAHS at **ambient temperature** in a tightly sealed container, away from moisture and incompatible substances.
What purity grade of TBAHS is available for HPLC use?
Molekula supplies TBAHS in **HPLC-grade purity**, meeting stringent requirements for chromatographic applications.
Can Molekula supply TBAHS in bulk quantities?
Yes, TBAHS is available in **bulk quantities**—please contact our sales team for custom packaging options.
What documentation comes with an order of TBAHS?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), 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.