Molekula
Sulfuric Acid 0.25M standardised volumetric solution
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
Sulfuric Acid 0.25M standardized volumetric solution is a precisely diluted, analytically prepared acid used for pH adjustment, titration, and buffer preparation in laboratories. This solution is pre-standardized for accurate volumetric analysis, ensuring consistency in chemical reactions and quality control testing. CAS 7664-93-9, molecular formula H₂SO₄ (H₂O₄S), molecular weight 98.08 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Sulfuric Acid 0.25M standardised volumetric solution 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 | Clear colourless solution |
| Molarity (Titration) | 0.250M ± 0.01M |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90032500 |
| CAS Number | 7664-93-9 |
| IUPAC Name | sulfuric acid |
| EC Number | 231-639-5 |
| Molecular Formula | H2O4S |
| Molecular Weight | 98.08 |
| Exact Mass | 97.9674 |
| SMILES | OS(=O)(=O)O |
| InChIKey | QAOWNCQODCNURD-UHFFFAOYSA-N |
| InChI | InChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4) |
| PubChem CID | 1118 |
| UN Number | UN3264 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2807.00.0000 |
| Tariff Code | 2807000000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
Precautionary statements
- P234 Keep only in original container
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
- P390 Absorb spillage to prevent material damage
- P406 Store in a corrosive resistant container with a resistant inner liner
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
- Acide sulfurique
- Acidum sulfuricum
- Battery acid
- Dihydrogen sulfate
- Dipping acid
- Electrolyte acid
- Mattling acid
- SULFURIC ACID
- Sulphuric acid
- Sulphuricum acidum
Frequently asked questions
What is a 0.25M sulfuric acid volumetric solution commonly used for?
This standardized solution is primarily used for acid-base titrations, pH calibration, and analytical chemistry applications requiring precise acid concentration.
What is the molecular formula and molecular weight of sulfuric acid?
The molecular formula is H₂SO₄, also written H₂O₄S in Hill notation (both describe the same composition), and the molecular weight is 98.08 g/mol.
How should this sulfuric acid solution be stored?
Store at ambient temperature in a tightly sealed container, away from incompatible substances like metals, bases, or oxidizing agents.
What grade of sulfuric acid volumetric solution does Molekula supply?
Molekula supplies this as a primary standard-grade volumetric solution, certified for analytical accuracy and traceability.
Can Molekula supply this sulfuric acid solution in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for custom packaging options and lead times.
What documentation comes with an order of this volumetric solution?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific traceability records for compliance and quality assurance.
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.