Molekula
Sodium hydrogen sulfate
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
Sodium hydrogen sulfate is a strong acidic compound used in chemical synthesis, pH adjustment, and industrial cleaning processes. Its other documented applications include pickling metals, carbonizing wool in textile processing, bleaching leather, and serving as a disinfectant. It is a white crystalline solid with the molecular formula NaHSO4 and a molecular weight of 120.06 g/mol. It is stable at ambient storage conditions. Hazard classification includes the signal word Danger. Molekula supplies Sodium 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.
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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500 g — £22.00 per pack ex VAT · £26.40 inc. VAT
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1 kg — £30.80 per pack ex VAT · £36.96 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 to off-white grain crystal |
| Assay/Purity | ≥98.0% |
| Heavy metals | ≤0.02% |
| Identification | Conforms to reference |
| Iron (Fe) | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90004912 |
| CAS Number | 7681-38-1 |
| IUPAC Name | sodium hydrogen sulfate |
| EC Number | 231-665-7 |
| Molecular Formula | NaHSO4 |
| Molecular Weight | 120.06 |
| Exact Mass | 119.9493 |
| SMILES | OS(=O)(=O)[O-].[Na+] |
| InChIKey | WBHQBSYUUJJSRZ-UHFFFAOYSA-M |
| InChI | InChI=1S/Na.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+1;/p-1 |
| PubChem CID | 516919 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28331900 |
| Tariff Code | 2833190000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H318 Causes serious eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, 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
- Bisulfate of soda
- Monosodium sulfate
- Niter cake
- Nitre cake
- Sodium acid sulfate
- SODIUM BISULFATE
- sodium bisulphate
- Sodium hydrogensulphate
- Sodium hydrosulfate
- WC-Perfect
Frequently asked questions
What is sodium hydrogen sulfate used for?
It is commonly used as a pH adjuster in industrial processes and as a reagent in organic synthesis.
What is the chemical formula and molecular weight of sodium hydrogen sulfate?
The formula is NaHSO4 and the molecular weight is 120.06 g/mol.
How should sodium hydrogen sulfate be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials.
What grade is available for sodium hydrogen sulfate?
Molekula offers sodium hydrogen sulfate in reagent grade.
Can Molekula supply sodium hydrogen sulfate in bulk?
Yes, Molekula can supply sodium hydrogen sulfate in bulk quantities upon request.
What documentation comes with a purchase of sodium hydrogen sulfate?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.