Molekula
Potassium nitrate DEF STAN 68-63/4 SC4
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
Potassium nitrate DEF STAN 68-63/4 SC4 is a high-purity, water-soluble inorganic salt primarily used as an oxidizer in pyrotechnics, fertilizers, and food preservation (E252). It meets UK Defence Standard DEF STAN 68-63/4 for military and aerospace applications, ensuring consistent performance and reliability. This product has a CAS number of 7757-79-1, a molecular formula of KNO3, and a molecular weight of 101.10 g/mol. It is stable at ambient storage conditions and carries a signal word of "Warning" per GHS classification. Molekula supplies Potassium nitrate DEF STAN 68-63/4 SC4 from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystal |
| Sulphates (SO4)(2-) | <0.2% |
| KNO3 | >99% |
| Insoluble | <0.5% |
| Chlorine (Cl) | <0.1% |
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, rhombic or trigonal crystals |
| Odour | Odorless |
| Melting Point | 337 °C |
| Boiling Point | 400 °C (decomp) |
| Refractive Index | 1.335 |
Source: PubChem CID 24434 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90023466 |
| CAS Number | 7757-79-1 |
| IUPAC Name | potassium nitrate |
| EC Number | 231-818-8 |
| Molecular Formula | KNO3 |
| Molecular Weight | 101.10 |
| Exact Mass | 100.9515 |
| SMILES | [N+](=O)([O-])[O-].[K+] |
| InChIKey | FGIUAXJPYTZDNR-UHFFFAOYSA-N |
| InChI | InChI=1S/K.NO3/c;2-1(3)4/q+1;-1 |
| PubChem CID | 24434 |
| UN Number | UN1486 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2834.21.00.00 |
| Tariff Code | 2834210000 |
Safety & GHS
-
Oxidizing
GHS03
-
Health Hazard
GHS07
Hazard statements
- H272 May intensify fire; oxidizer
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
- P221 Take any precaution to avoid mixing with combustibles
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
- P501 Dispose of contents/container to an approved waste disposal plant
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
- Kalii nitras
- Kaliumnitrat
- Niter
- Nitrate of potash
- Nitre
- Nitric acid, potassium salt
- POTASSIUM NITRATE
- Saltpeter
- saltpetre
- Vicknite
Frequently asked questions
What is DEF STAN 68-63/4 SC4 Potassium nitrate used for?
This grade of potassium nitrate (KNO3) is specifically formulated to meet **DEF STAN 68-63/4 SC4** military and defense standards, primarily for use in **ammunition, explosives, and pyrotechnics** where consistent performance and purity are critical.
What is the chemical formula and molecular weight of Potassium nitrate DEF STAN 68-63/4 SC4?
The chemical formula is **KNO₃**, and the molecular weight is **101.10 g/mol**.
How should Potassium nitrate DEF STAN 68-63/4 SC4 be stored?
Store in a **cool, dry, well-ventilated area at ambient temperature**, away from incompatible substances (e.g., reducing agents, organic materials). Follow **DEF STAN 68-63/4** handling guidelines for military applications.
What grade or purity level is available for this product?
This product is supplied to **DEF STAN 68-63/4 SC4 specification**, ensuring it meets strict military-grade purity and performance requirements for defense applications.
Can Molekula supply Potassium nitrate DEF STAN 68-63/4 SC4 in bulk quantities?
Yes, Molekula can supply this product in **bulk quantities** tailored to your requirements, subject to availability and compliance with DEF STAN 68-63/4 SC4 standards.
What documentation comes with an order of Potassium nitrate DEF STAN 68-63/4 SC4?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **DEF STAN 68-63/4 SC4 compliance certificate** to verify adherence to military specifications.
Ready to order or need a custom pack?
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