About this product
Sodium Dichromate — listed in our catalogue as Sodium Di Chromate, also known as sodium bichromate, Na2Cr2O7.2H2O — is an orange-red crystalline hexavalent chromium (Cr(VI)) compound and a strong oxidiser. We stock Technical Grade Dihydrate from Viswaat Chemicals, assay 99.0% mass min, in 50 kg HDPE drums, with the TDS and MSDS downloadable on this page. Stock is held at our Redhills warehouse in Chennai for dispatch across South India. It is a Class 5.1 oxidiser under UN 3087 and must be handled per the MSDS precautions.
Applications & Uses
Safety & Technical Documents
MSDS / SDS
TDS / COA
Certificate of Analysis · with every supply, on request
Need another sheet? Browse the full SDS & TDS library — safety and technical data sheets for every product we stock.
Product DataTechnical Specifications
Physical Properties
- Appearance
- Orange-red crystals
- Assay
- 99.0% mass min (as Na2Cr2O7.2H2O)
- pH
- 3.5–4.5 (1% solution)
Supply & Packaging
- Packaging
- 50 kg HDPE drum
- Grades Available
- Technical Grade Dihydrate
Compliance & Storage
- HS Code
- 2841 30 00
- UN Number
- 3087
- Hazard Class
- Class 5.1 — Oxidising substance
- Storage
- Store sealed in a dry, ventilated area. Keep away from combustibles and reducing agents.
These specs are indicative. Request a Certificate of Analysis (COA) for batch-specific values.
Source Manufacturers
Sourced directly from verified manufacturers for consistent quality and traceability.
Supplied across South IndiaCoimbatoreMaduraiHosurBangaloreHyderabadVisakhapatnamKochi
Frequently Asked Questions
What is the CAS number of sodium dichromate?
Sodium dichromate is CAS 10588-01-9. It is classified under HSN 2841 30 00 and supplied as the dihydrate, Na2Cr2O7.2H2O.
Is sodium bichromate the same as sodium di chromate?
Yes — sodium dichromate, sodium di chromate and sodium bichromate all refer to the same material, CAS 10588-01-9. We list it in our catalogue as Sodium Di Chromate under Chemical Powders.
What grade and specification of sodium dichromate do you supply?
We supply Technical Grade Dihydrate from Viswaat Chemicals: orange-red crystals, assay (as Na2Cr2O7.2H2O) 99.0% mass min, sulphate (as SO4) 0.2% mass max, chloride (as Cl) 0.05% mass max, iron (as Fe) 30 ppm max, matter insoluble in water 0.05% mass max, and pH 3.5–4.5 in 1% solution. These figures follow the manufacturer's published specification for technical dihydrate grade; no IS/ISO/BIS standard is claimed for this product. The full table is on our TDS, document SPC-TDS-PWD-026.
Is sodium dichromate hazardous or carcinogenic?
Yes. It is a strong oxidiser classified UN 3087, Class 5.1, and is a carcinogenic and mutagenic Cr(VI) — hexavalent chromium — compound that is corrosive to skin and eyes and very toxic to aquatic life. Read the MSDS on this page before handling.
How should sodium dichromate be stored and handled?
Keep it away from combustibles and reducing agents, and store it sealed in a dry, ventilated area. Use full PPE with respiratory protection when handling.
Do you supply sodium dichromate in Chennai, and in what packaging?
Yes. We stock it in 50 kg HDPE drums at our Redhills warehouse in Chennai and dispatch across South India. Order sizes depend on packaging and current stock — call or WhatsApp +91 86087 80096 for a quote.
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Product Details
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