Sodium Nitrite
White to slightly yellowish crystalline powder · CAS 7632-00-0
DocumentsSpec sheet (PDF, 33 KB)Safety Data Sheet (PDF, 85 KB)
Overview
Sodium Nitrite (CAS 7632-00-0) is one of the salts & minerals products Suraj Chemicals supplies to industrial, institutional and manufacturing buyers across India from our Chennai base. It is commonly used for corrosion inhibitor in closed-loop cooling and heating systems; metal treatment and phosphating processes; dye and pigment manufacturing intermediate, among other applications in the salts & minerals category. We pack Sodium Nitrite in 25/50 kg bags; bulk supply on request, and can arrange bulk, drum or tanker quantities for larger requirements — full characteristics, applications and downloadable documentation are below, or you can request a quote directly.
Specification Sheet — Characteristics
Download Specification Sheet (PDF)| Characteristics | Specifications |
|---|---|
| Appearance | White to slightly yellowish crystalline powder |
| Purity (dry basis) as NaNO2 | min 99.00% |
| Loss on Drying | max 0.50% |
| Alkalinity as Na2CO3 | max 0.20% |
| Chloride as Cl | max 0.05% |
| Sodium Nitrate | max 1.00% |
These values come from our own lab test on Sodium Nitrite. They vary slightly from batch to batch, so ask for a current certificate of analysis with your order.
Makes we supply
- Deepak Nitrite
- RCF
We source Sodium Nitrite from established Indian manufacturers and keep batch records for every lot. The make we supply depends on stock; tell us if you need a particular one.
Applications
- Corrosion inhibitor in closed-loop cooling and heating systems
- Metal treatment and phosphating processes
- Dye and pigment manufacturing intermediate
- Concrete admixture (corrosion inhibitor)
Safety & Handling Summary
| Topic | Summary |
|---|---|
| Signal word | Danger |
| GHS hazards | H272 — May intensify fire; oxidizer H301 — Toxic if swallowed H400 — Very toxic to aquatic life |
| Incompatible with | Incompatible with, Reason/Effect |
| Gloves | Chemical-resistant gloves (nitrile or PVC) – check for breakthrough time before prolonged contact |
| Eye / face | Chemical splash goggles; face shield for bulk handling |
| Respiratory | Filtering half-mask respirator (type P2/P3) recommended where dust generation cannot be controlled by ventilation |
| Body | Chemical-resistant apron/overalls for bulk handling; safety footwear |
| Transport (road) | UN1500 · Class 5.1 · Packing group III |
| Emergency handling | First aid, fire-fighting and spill / release measures are in Sections 4–6 of the SDS. Emergency contact: +91 70927 22822 / +91 98402 84032. |
A summary of the Sodium Nitrite Safety Data Sheet. The full SDS is the authority: download it at the top of this page and read it before first use. Hazard ratings can change with grade and concentration, so confirm the transport class for each consignment.
Buyer’s Notes
Choosing the grade. Our standard sodium nitrite reads 99.00% purity (dry basis). The free-flowing BASF-origin non-food grade is listed separately, with a 98% minimum and granular form. Choose by how you feed it: a powder dissolver or a hopper.
What to check on the spec sheet. Purity as NaNO2, sodium nitrate, chloride and alkalinity. Chloride matters in closed-loop systems, where it raises corrosion risk, and nitrate matters where the nitrite level is monitored.
Handling and storage. Strong oxidiser and toxic if swallowed. Keep it dry, away from acids (nitrous fumes), combustibles and reducing agents, and never mix it with amines or ammonium salts in storage.
Where it is used. Corrosion inhibitor in closed-loop cooling and heating systems, metal treatment and phosphating, and dye and pigment intermediates.
Frequently Asked Questions
What is Sodium Nitrite?
Sodium Nitrite is supplied by Suraj Chemicals as white to slightly yellowish crystalline powder, identified by CAS number 7632-00-0. It falls under our Salts & Minerals range — see the Specification Sheet table above for its full characteristics.
What is Sodium Nitrite used for?
Typical applications include: Corrosion inhibitor in closed-loop cooling and heating systems; Metal treatment and phosphating processes; Dye and pigment manufacturing intermediate; Concrete admixture (corrosion inhibitor).
How should Sodium Nitrite be stored and handled?
Store in a dry, covered area away from acids and reducing agents.
What packaging and pack sizes does Suraj Chemicals supply Sodium Nitrite in?
25/50 kg bags; bulk supply on request. Contact us if you need a different pack size, or a bulk/tanker quantity.
What is the shelf life of Sodium Nitrite?
Typically around 24 months from date of manufacture when stored in original, unopened packaging under normal warehouse conditions, consistent with standard industry practice for this class of chemical. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.
Is Sodium Nitrite hazardous to handle?
Yes. Sodium Nitrite is classified under GHS (signal word: Danger) as: may intensify fire; oxidizer (H272); toxic if swallowed (H301); very toxic to aquatic life (H400). Follow the storage and handling guidance above, use appropriate PPE, and download the Safety Data Sheet (SDS/MSDS) in the sidebar above for full GHS hazard, handling and PPE details.
Is a Specification Sheet, TDS or MSDS available for Sodium Nitrite?
Yes. a downloadable Specification Sheet (PDF) with full characteristics and specifications is available above, and a downloadable Safety Data Sheet (SDS/MSDS) for Sodium Nitrite is also available above.
Can I get a sample or discuss order quantity for Sodium Nitrite?
Yes. use the Request Price & Availability button or WhatsApp us with your required quantity, and our team will confirm pricing, minimum order quantity, sample availability and delivery timelines for Sodium Nitrite.
Actual packaging as supplied by Suraj Chemicals
CAS Number
7632-00-0
Appearance
White to slightly yellowish crystalline powder
Packaging
25/50 kg bags; bulk supply on request
Storage & Handling
Store in a dry, covered area away from acids and reducing agents.
Shelf Life
Typically around 24 months from date of manufacture when stored in original, unopened packaging under normal warehouse conditions, consistent with standard industry practice for this class of chemical. As with any industrial chemical, request the current batch's manufacturing date and a fresh certificate of analysis for orders where exact remaining shelf life matters.