Skip to content
Molekula

Molekula

Sodium nitrate ACS grade

SKU 90028961 CAS 7631-99-4 NaNO3 MW 84.99 In stock Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Sodium nitrate ACS grade is a high-purity inorganic salt primarily used as an oxidizing agent in analytical chemistry, fertilizer production, and food preservation (e.g., as curing salt). It meets the rigorous standards of the American Chemical Society for laboratory applications, ensuring reliable and consistent results. CAS 7631-99-4, molecular formula NaNO₃, molecular weight 84.99 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies Sodium nitrate ACS grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 1 kg — $88.40 per pack

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance Solid
Assay/Purity 99.0% NaNO3 min
Heavy metals (ICP-OES) 5ppm
pH of a 5% solution 5.5-8.3 at 25°
Insoluble Matter 0.005%
Iron (Fe) 3ppm
Calcium (Ca) 0.005%
Magnesium (Mg) 0.002%
Sulphates (SO4)(2-) 0.003%
Phosphate (PO4)3- 5ppm
IO3 5ppm
Chlorine (Cl) 0.001%
Nitrite (NO2)- 0.001%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 5.1
Packing Group III
Acidity Neutral

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Colorless, trigonal or rhombohedron crystals
Odour Odorless
Melting Point 308 °C
Boiling Point 380 °C with decomp
Solubility (other solvents) Slightly soluble in ethanol and methanol
Refractive Index 1.587

Source: PubChem CID 24268 (HSDB, ICSC)

Identification

Property Value
SKU 90028961
CAS Number 7631-99-4
IUPAC Name sodium nitrate
EC Number 231-554-3
Molecular Formula NaNO3
Molecular Weight 84.99
Exact Mass 84.9776
SMILES [N+](=O)([O-])[O-].[Na+]
InChIKey VWDWKYIASSYTQR-UHFFFAOYSA-N
InChI InChI=1S/NO3.Na/c2-1(3)4;/q-1;+1
PubChem CID 24268
UN Number UN1498
REACH Code Y110
TSCA Listed Yes
HTS Code 3102.50.00.00
Tariff Code 3102500089

Safety & GHS

Warning
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H272 May intensify fire; oxidizer
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H341 Suspected of causing genetic defects
  • H373 May cause damage to organs through prolonged or repeated exposure

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is sodium nitrate ACS grade commonly used for?

Sodium nitrate ACS grade is primarily used in analytical laboratories for titrations, as an oxidizing agent, and in the preparation of standard solutions due to its high purity and consistency.

What is the chemical formula and molecular weight of sodium nitrate?

The chemical formula is **NaNO₃**, and the molecular weight is **84.99 g/mol**.

How should sodium nitrate ACS grade be stored?

Store at **ambient temperature** in a cool, dry place, away from incompatible substances like organic materials or reducing agents.

What grade of sodium nitrate does Molekula supply, and is ACS grade available?

Molekula supplies **ACS grade sodium nitrate**, meeting stringent purity requirements for analytical and laboratory applications.

Can Molekula supply sodium nitrate in bulk quantities?

Yes, Molekula can provide sodium nitrate in bulk, with packaging options tailored to your specific needs—contact us for details.

What documentation comes with an order of sodium nitrate ACS grade?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure compliance and quality assurance.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket