Inorganic Salt ✅ In Stock 🚢 Export Ready

Sodium Sulfite

🌍

For export only. This product is supplied exclusively for international export through our global offices. Enquiries, pricing and dispatch are handled by our overseas and export desks — not for domestic retail sale within India.

CAS: 7757-83-5 Formula: Na₂SO₃ MW: 126.04 g/mol HSN: 2832.10

Sodium Sulfite in Technical/97%/Food Grade/LR grades.

📋

Product Specifications

Product Name	Sodium Sulfite
CAS Number	7757-83-5
Molecular Formula	Na₂SO₃
Molecular Weight	126.04 g/mol
Grade / Purity	Technical/97%/Food Grade/LR
Appearance	White crystalline powder
Density	2633 kg/m³
Boiling Point	N/A (d ~500°C)
Flash Point	None
Solubility	28g/100ml water
HSN Code	2832.10

DIRECT DOWNLOADS — no registration required

📄 TDS PDF 📑 COA PDF ⚠️ MSDS PDF

🛡️

Safety Data Sheet (MSDS / SDS)

✅

Hazard Classification

Irritant

Signal Word	Warning / Non-hazardous
GHS Classification	Irritant
Storage	Store in cool, dry, well-ventilated area. Keep away from heat and ignition sources.
PPE Required	Safety goggles, chemical-resistant gloves, lab coat
First Aid — Eyes	Rinse with water for 15 minutes. Seek medical attention.
First Aid — Skin	Wash with soap and water. Remove contaminated clothing.
First Aid — Ingestion	Do not induce vomiting. Seek immediate medical attention.
Disposal	Dispose as per local regulations (Class 3 waste if flammable)

📌 Full GHS 16-section Safety Data Sheet available on request. Contact: sales@fertilizerindia.com or WhatsApp +91-7507006931

📊

Technical Data Sheet (TDS)

Product Name	Sodium Sulfite
Chemical Name	Sodium sulfite anhydrous
Molecular Formula	Na₂SO₃
Molecular Weight	126.04 g/mol
Available Grades	Technical/97%/Food Grade/LR
Appearance	White crystalline powder
Density	2633 kg/m³
Boiling Point	N/A (d ~500°C)
Flash Point	None
Solubility	28g/100ml water
Packaging	25kg HDPE drums / 200L barrels / IBC totes / bulk tankers
Storage Conditions	Cool, dry place. Keep container tightly closed.
Shelf Life	2 years from manufacturing date

📌 Detailed TDS with full analytical specifications available on request.

🔬

Certificate of Analysis (COA)

Parameter	Specification
Assay / Purity	Technical/97%/Food Grade/LR
Appearance	White crystalline powder
Density @ 20°C	2633 kg/m³
Solubility	28g/100ml water
Water Content	As per grade specification
Heavy Metals	Complies with specification
Testing Method	In-house QC lab + third-party verification available

📌 Batch-specific COA issued with every shipment. Request via RFQ form or WhatsApp.

⚙️ Applications & Uses

Food preservative (E221)Photographic developerPulp & paperTextileWater treatmentChemical synthesis

🏭 Industries Served

FoodPaperTextileChemicalResearch

🏷️ Synonyms & Other Names

Sodium sulfite anhydrous · Disodium sulfite · E221 · Na2SO3

Get Price & Documents

COA · MSDS · TDS · COO · Packing List

💬 WhatsApp Now

Green Vision Technical Services

📍 Plot No.6, Survey No.599/2, Airport Road
Janori, Nashik 422206, Maharashtra
📞 +91-2550-250271
📱 +91-7507006931 / +91-9890550271
✉️ sales@fertilizerindia.com
🏛️ GST: 27AAIFG3238J1Z9

Frequently Asked Questions

What is the CAS number of Sodium Sulfite?

The CAS registry number of Sodium Sulfite is 7757-83-5.

What is the molecular weight of Sodium Sulfite?

The molecular weight of Sodium Sulfite (Na₂SO₃) is 126.04 g/mol.

What grades of Sodium Sulfite are available?

Sodium Sulfite is available in Technical/97%/Food Grade/LR grades from our Nashik facility, with COA supplied per batch.

What is the HSN code of Sodium Sulfite for GST and export?

The HSN code of Sodium Sulfite is 2832.10. Full export documentation (COA, MSDS, COO, Packing List) is provided.

Can I download the MSDS, TDS and COA for Sodium Sulfite?

Yes — the GHS Safety Data Sheet, Technical Data Sheet and specimen COA for Sodium Sulfite are available as direct PDF downloads on this page, free and without registration.

What is Sodium Sulfite used for?

Typical applications include food preservative (e221), photographic developer, pulp & paper, textile.