Lab Reagent ✅ In Stock 🚢 Export Ready

Sodium Thiosulfate

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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: 7772-98-7 Formula: Na₂S₂O₃ MW: 158.11 g/mol HSN: 2832.30

Sodium Thiosulfate in Technical/99%/LR/AR grades. Pentahydrate form.

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Product Specifications

Product Name	Sodium Thiosulfate
CAS Number	7772-98-7
Molecular Formula	Na₂S₂O₃
Molecular Weight	158.11 g/mol
Grade / Purity	Technical/99%/LR/AR
Appearance	White crystalline solid
Density	1667 kg/m³
Melting Point	48°C (pent.)
Flash Point	None
Solubility	70g/100ml water
HSN Code	2832.30

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

Non-hazardous

Signal Word	Warning / Non-hazardous
GHS Classification	Non-hazardous
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 Thiosulfate
Chemical Name	Sodium hyposulfite
Molecular Formula	Na₂S₂O₃
Molecular Weight	158.11 g/mol
Available Grades	Technical/99%/LR/AR
Appearance	White crystalline solid
Density	1667 kg/m³
Flash Point	None
Solubility	70g/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.

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Certificate of Analysis (COA)

Parameter	Specification
Assay / Purity	Technical/99%/LR/AR
Appearance	White crystalline solid
Density @ 20°C	1667 kg/m³
Solubility	70g/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

Photographic fixerTitration (iodometric)DechlorinationPharmaceutical antidoteAnalytical chemistry

🏭 Industries Served

PhotographyResearchWater TreatmentPharmaceutical

🏷️ Synonyms & Other Names

Sodium hyposulfite · Hypo · Na2S2O3·5H2O · Sodium thiosulphate

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 Thiosulfate?

The CAS registry number of Sodium Thiosulfate is 7772-98-7.

What is the molecular weight of Sodium Thiosulfate?

The molecular weight of Sodium Thiosulfate (Na₂S₂O₃) is 158.11 g/mol.

What grades of Sodium Thiosulfate are available?

Sodium Thiosulfate is available in Technical/99%/LR/AR grades from our Nashik facility, with COA supplied per batch.

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

The HSN code of Sodium Thiosulfate is 2832.30. Full export documentation (COA, MSDS, COO, Packing List) is provided.

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

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

What is Sodium Thiosulfate used for?

Typical applications include photographic fixer, titration (iodometric), dechlorination, pharmaceutical antidote.