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 1999 · 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.
Is Potassium nitrate DEF STAN 68-63/4 SC4 dangerous goods for shipping?
Yes. Potassium nitrate DEF STAN 68-63/4 SC4 ships as dangerous goods: UN1486, class 5.1, packing group III.
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