Dyes & pigments
Diazotisation in azo dye and pigment manufacture.
Laboratory Reagents · Extra Pure
Sodium Nitrite
Also known as Nitrous acid sodium salt
CAS7632-00-0
FormulaNaNO₂
MW69.00
PubChem23668193
Sodium nitrite, minimum 98%, with low chloride, sulphate and heavy metals, for diazotisation and analysis.
Assay≥ 98%
GradeExtra Pure
MW69.00
ISO 9001:2015 certified supplier
Overview
About Sodium Nitrite
Sodium Nitrite is a pale yellow crystalline powder that is very soluble in water.
It is the diazotising agent for azo dyes and an analytical reagent, and is used as a corrosion inhibitor.
IdentityNaNO₂
- CAS number
- 7632-00-0
- Molecular formula
- NaNO₂
- Molecular weight
- 69.00
- PubChem CID
- 23668193
- Appearance
- Pale yellow crystalline powder
- Grade
- Extra Pure
Technical specification
Specification, Extra Pure grade
Every batch is released against these limits. Ask for the specification sheet with your quote.
| # | Test | Specification |
|---|---|---|
| 01 | Appearance | Pale yellow crystalline powder |
| 02 | Insoluble matter | Not more than 0.003% |
| 03 | Chloride (Cl) | Not more than 0.005% |
| 04 | Sulphate (SO₄) | Not more than 0.005% |
| 05 | Arsenic (As) | Not more than 0.00004% |
| 06 | Calcium (Ca) | Not more than 0.002% |
| 07 | Copper (Cu) | Not more than 0.0005% |
| 08 | Iron (Fe) | Not more than 0.001% |
| 09 | Heavy metals (as Pb) | Not more than 0.001% |
| 10 | Magnesium (Mg) | Not more than 0.002% |
| 11 | Potassium (K) | Not more than 0.001% |
| 12 | Assay | Not less than 98% |
Need a tighter limit or an extra test? Send us your specification with your enquiry.
Specification sheet (PDF)
Applications
Where Sodium Nitrite is used
Analytical reagent
Diazotisation titrations and nitrite standards.
Corrosion inhibition
Cooling-water and metal-treatment formulations.
Packing
Packed to your order
We pack Sodium Nitrite in sealed containers suited to the product, from laboratory bottles to bulk packs. Every container carries the product name, batch number, dates and hazard labels. Tell us the pack size and quantity you need.
Storage & handling
Store away from anything that burns
- Keep tightly closed in a cool, dry, well-ventilated place.
- Store away from combustible materials, reducing agents, acids and organic substances.
- Wear gloves and eye protection, and avoid raising dust.
Read the MSDS for full hazard, first-aid and disposal information.
Documents
Specification and safety documents
Ask for any of these and we will email them with your quote.
Questions
Frequently asked
Which pack sizes can I order?
Tell us the quantity you need. We will suggest the right pack, from laboratory bottles to bulk packs, with your quote.
Can you supply against our own specification?
Send your specification with your enquiry. Our team will confirm which limits we can meet before you order.
Do you ship outside India?
Yes. We hold an Import Export Code and supply both domestic and export buyers. Mention the destination country in your enquiry so we can quote the right packing and documents.
Enquire
Get a quote for Sodium Nitrite
Tell us the quantity, pack size and destination. We will confirm price, availability and lead time, and send the documents you need.
Phone & WhatsApp+91 77530 58907
Emailankur.agrawal@spacorporation.in