Molekula
Sulfurous Acid c.a. 6%
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Sulfurous acid is a weak inorganic acid primarily used in food preservation, water treatment for disinfection, and as a reducing agent in chemical synthesis. It is also applied in textile bleaching, paper production, and as a pH adjuster in various industrial processes. This chemical has a CAS number of 7782-99-2, a molecular formula of SO(OH)2, and a molecular weight of 82.08. It is typically stored at ambient conditions, though it must be handled with care as it carries a "Danger" signal word. Molekula supplies Sulfurous Acid c.a. 6% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sulfurous acid is a weak inorganic acid primarily used in food preservation, water treatment for disinfection, and as a reducing agent in chemical synthesis. It is also applied in textile bleaching, paper production, and as a pH adjuster in various industrial processes. This chemical has a CAS number of 7782-99-2, a molecular formula of SO(OH)2, and a molecular weight of 82.08. It is typically stored at ambient conditions, though it must be handled with care as it carries a "Danger" signal word. Molekula supplies Sulfurous Acid c.a. 6% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Assay | 5.5 - 6.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90032950 |
| CAS Number | 7782-99-2 |
| Molecular Formula | SO(OH)2 |
| Molecular Weight | 82.08 |
| SMILES | OS(=O)O |
| EC / UN Number | 1833 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28111961 |
| Tariff Code | 2811198090 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H332 Harmful if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, 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 Sulfurous Acid (6% c.a.) commonly used for?
Sulfurous acid is primarily used as a reducing agent, bleaching agent, and disinfectant in food processing, water treatment, and textile industries.
What is the chemical formula and molecular weight of Sulfurous Acid?
The chemical formula is **SO(OH)₂**, and the molecular weight is **82.08 g/mol**.
How should Sulfurous Acid (6% c.a.) be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances like oxidizers and strong bases.
What grade of Sulfurous Acid does Molekula supply?
Molekula supplies **commercial-grade (c.a.) Sulfurous Acid at 6% concentration** for industrial applications.
Can Molekula supply Sulfurous Acid in bulk quantities?
Yes, Molekula can supply Sulfurous Acid in bulk, depending on stock availability and customer requirements—please contact us for details.
What documentation comes with an order of Sulfurous Acid?
Each order includes a **Safety Data Sheet (SDS)**, Certificate of Analysis (CoA), and a commercial invoice.
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.