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Sodium Bisulfite

CAS: 7631-90-5 Formula: NaHSO₃ MW: 104.06 g/mol HSN: 2832.20

Sodium Bisulfite (CAS 7631-90-5) — Technical/37-40%/Anhydrous. MSDS/TDS/COA. LR/AR/HPLC for R&D. Small quantities by international courier. Green Vision Technical Services, Nashik India.

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Product Specifications

Product Name	Sodium Bisulfite
CAS Number	7631-90-5
Molecular Formula	NaHSO₃
Molecular Weight	104.06 g/mol
Grade / Purity	Technical/37-40%/Anhydrous
Appearance	Refer to TDS
Density	1480 kg/m³
Flash Point	None
Solubility	420g/L (37%)
HSN Code	2832.20

DIRECT DOWNLOADS — no registration required

📄 TDS PDF 📑 COA PDF ⚠️ MSDS PDF

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Safety Data Sheet (MSDS / SDS)

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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

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Technical Data Sheet (TDS)

Product Name	Sodium Bisulfite
Chemical Name	Sodium hydrogen sulfite
Molecular Formula	NaHSO₃
Molecular Weight	104.06 g/mol
Available Grades	Technical/37-40%/Anhydrous
Appearance	Refer to TDS
Density	1480 kg/m³
Flash Point	None
Solubility	420g/L (37%)
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.

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Certificate of Analysis (COA)

Parameter	Specification
Assay / Purity	Technical/37-40%/Anhydrous
Appearance	Refer to TDS
Density @ 20°C	1480 kg/m³
Solubility	420g/L (37%)
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 (E222)Photographic fixerTextile bleachingWater dechlorination

🏭 Industries Served

FoodPhotographyTextileChemical

🏷️ Synonyms & Other Names

Sodium hydrogen sulfite · Bisulfite of soda · E222

Get Price & Documents

COA · MSDS · TDS · COO · Packing List

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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 Bisulfite?

The CAS registry number of Sodium Bisulfite is 7631-90-5.

What is the molecular weight of Sodium Bisulfite?

The molecular weight of Sodium Bisulfite (NaHSO₃) is 104.06 g/mol.

What grades of Sodium Bisulfite are available?

Sodium Bisulfite is available in Technical/37-40%/Anhydrous grades from our Nashik facility, with COA supplied per batch.

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

The HSN code of Sodium Bisulfite is 2832.20. Full export documentation (COA, MSDS, COO, Packing List) is provided.

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

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

What is Sodium Bisulfite used for?

Typical applications include food preservative (e222), photographic fixer, textile bleaching, water dechlorination.