Molekula
Sodium cyanide
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 cyanide is a highly toxic inorganic compound with the chemical formula CNNa, primarily used in gold and silver mining, electroplating, and chemical synthesis. It acts as a strong reducing agent and metal complexing agent in industrial processes. This chemical has a CAS number of 143-33-9 and a molecular weight of 49.01 g/mol. It should be stored at ambient conditions but handled with extreme caution due to its hazardous nature, indicated by its "Danger" signal word. Molekula supplies sodium cyanide 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 briquettes |
| Assay | ≥98.0% |
| Moisture | ≤0.20% |
| Alkalinity (% NaOH) | 0.06-0.80% |
| Sodium Formate | ≤0.60% |
| Sodium carbonate (Na2CO3) | ≤0.80% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | I |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White cubic crystals |
| Odour | Faint odor of bitter almonds |
| Melting Point | 563 °C |
| Boiling Point | 1496 °C |
| Density | 1.595 g/cm³ at 20 °C |
| Vapour Pressure | 0.1 kPa at 800 °C |
| Refractive Index | 1.452 |
Source: PubChem CID 8929 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 34335074 |
| CAS Number | 143-33-9 |
| IUPAC Name | sodium cyanide |
| EC Number | 205-599-4 |
| Molecular Formula | CNNa |
| Molecular Weight | 49.01 |
| Exact Mass | 48.9928 |
| SMILES | [C-]#N.[Na+] |
| InChIKey | MNWBNISUBARLIT-UHFFFAOYSA-N |
| InChI | InChI=1S/CN.Na/c1-2;/q-1;+1 |
| PubChem CID | 8929 |
| UN Number | UN1689 |
| REACH Code | Y110 |
| Tariff Code | 2837110000 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- EUH031 Contact with acids liberates toxic gas
- H290 May be corrosive to metals
- H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
- H372 Causes damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P403+233 Store in a well ventilated place. Keep container tightly closed
- 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
- Cianuro di sodio
- Cyanasalt H
- Cyanasalt S
- Cyanide of sodium
- Cyanobrik
- Cyanogran
- Cymag
- Kyanid sodny
- NaCN
- Sodium cyanide (Na(CN))
Frequently asked questions
What is sodium cyanide commonly used for?
Sodium cyanide is primarily used in gold and silver mining for leaching, electroplating, and as a precursor in the production of chemicals like sodium ferrocyanide and sodium cyanide solutions.
What is the chemical formula and molecular weight of sodium cyanide?
The chemical formula is **CNNa** and the molecular weight is **49.01 g/mol**.
How should sodium cyanide be stored?
Store sodium cyanide in a **cool, dry place at ambient temperature**, away from incompatible substances like acids, oxidizers, and water sources. Use tightly sealed containers.
What grades or purities of sodium cyanide does Molekula supply?
Molekula supplies **technical-grade sodium cyanide**, typically with a purity of **≥96%**. Custom specifications may be available upon request.
Can Molekula supply sodium cyanide in bulk quantities?
Yes, Molekula can supply sodium cyanide in **bulk quantities** (e.g., drums, totes, or bulk bags), depending on customer requirements and regulatory compliance.
What documentation comes with a sodium cyanide order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **packing list**. Additional documentation, such as a **Dangerous Goods Declaration**, may apply for international shipments.
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