Tetrabutylammonium hydrogen sulfate
Also known as: Tetrabutylammonium bisulfate, Tetra-n-butylammonium hydrogen sulfate, TBAHS, IPC-TBA-HS, hydrogen sulfate, tetrabutylazanium, n,n,n-tributyl-1-butanaminium hydrogen sulfate, tetrabutylazanium hydrogen sulfate
Tetrabutylammonium hydrogen sulfate (CAS 32503-27-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H37NO4S and a molecular weight of 339.53 g/mol. Key properties include a melting point of 171-174 °C and a density of 1.010 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 2 suppliers, 1 of which publish reference prices, from 2.12 to 53.20 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 32503-27-8
- Jingsj CID
- J-27999-6
- Molecular Formula
- C16H37NO4S
- Molecular Weight
- 339.53 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 98% 500g | ¥1,060.00 | $0.32 /gBest ¥2.12/g CNY | CN China MOQ 500g | |
In Stock | >98.0%(T) 500g | ¥1,060.00 | $0.32 /g ¥2.12/g CNY | CN China MOQ 500g | |
In Stock | 98% 100g | ¥260.00 | $0.39 /g ¥2.60/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 171-174 °C |
|---|---|
| Density | 1.010 g/cm3 |
| Exact Mass | 339.24400 |
| PSA | 85.81000 |
| LogP | 5.08900 |
| Additional Property | Soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2923900090 |
|---|---|
| Summary | 2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tetrabutylammonium hydrogen sulfate?
The CAS number of Tetrabutylammonium hydrogen sulfate is 32503-27-8.
What are the molecular formula and molecular weight of Tetrabutylammonium hydrogen sulfate?
Tetrabutylammonium hydrogen sulfate has molecular formula C16H37NO4S and molecular weight 339.53 g/mol.
Which suppliers offer Tetrabutylammonium hydrogen sulfate?
2 supplier(s) listed; reference unit price ¥2.12–53.20 /g.
Is Tetrabutylammonium hydrogen sulfate hazardous?
Tetrabutylammonium hydrogen sulfate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrabutylammonium hydrogen sulfate (CAS 32503-27-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27999-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.