Sodium thiocyanate
- CAS Number
- 540-72-7
- HSN Code
- 28419000
- Molecular Formula
- NaSCN
- Catalogue Number
- AL01428
- Purity
- 98-102%
- Molecular Weight
- 81.07 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Sodium thiocyanate (extra pure, sodium sulphocyanide) is a widely used soluble salt in analytical chemistry, particularly noted for its applications in the determination of iron and silver. This compound is characterized by its high purity level of 98-102%, making it suitable for sensitive analytical procedures. With a molecular formula of NaSCN and a molecular weight of 81.07 g/mol, sodium thiocyanate is an essential reagent in various chemical analyses. Its notable properties include being hygroscopic and highly soluble in water, which enhances its utility in laboratory settings.
Also known as Sodium sulphocyanide.
- Catalogue No.
- AL01428
- CAS Number
- 540-72-7
- Molecular Formula
- NaSCN
- Molecular Weight
- 81.07 g/mol
- HSN Code
- 28419000
- Grade
- Extra Pure
- Product Form
- Substance
Sodium thiocyanate appears as a white crystalline powder that is hygroscopic in nature. It has a melting point of approximately 287 °C and a boiling point of 760 °C. The compound is freely soluble in water, with a solubility of about 1,000 g/L at 20 °C. Its density is approximately 1.2 g/cm³. The compound has a faint odor, and its pH in a 1% aqueous solution is around 6-7, indicating a neutral character. Sodium thiocyanate does not have significant volatility under standard conditions, making it stable for storage and handling.
- Appearance
- White crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 500 g and 1 kg polyethylene bottles
- Storage
- Store in a cool, dry place away from incompatible materials.
1.1 — Product identifier
- Chemical Name
- Sodium thiocyanate
- Catalogue No.
- AL01428
- Product form
- Substance
- CAS Number
- 540-72-7
- EC Number
- 208-200-0
- Grade
- Extra Pure
- EC Index Number
- 615-005-00-9
- Chemical Formula
- NaSCN
- HSN Code
- 28419000
- Synonyms
- Sodium sulphocyanide
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Analytical reagent, colorimetric reagent, titrant
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.3 — Other hazards
- Other hazards
- Hygroscopic; may cause irritation to skin and eyes.
3.1 — Substance
- Name
- Sodium thiocyanate
- CAS No.
- 540-72-7
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. If irritation occurs, seek medical attention.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. If irritation persists, seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Toxic if ingested; may cause irritation to skin, eyes, and respiratory tract.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Water spray, carbon dioxide, dry chemical powder, foam.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Non-flammable, but may emit toxic fumes in a fire.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Contain spill and collect using appropriate protective equipment. Dispose of in accordance with local regulations.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Use appropriate personal protective equipment. Sweep up and place in a suitable container for disposal.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use gloves and safety goggles when handling.
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Store in a cool, dry place, away from incompatible materials such as strong acids and oxidizers.
8.2 — Exposure controls
- Hand protection
- Protective gloves (e.g. nitrile rubber)
- Eye protection
- Chemical safety goggles or safety glasses
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use in a well-ventilated area. If exposure limits are exceeded, use appropriate respiratory protection.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White
- Odour
- Faint
- Odour threshold
- No data available
- pH value
- 6-7 (1% solution)
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 287 °C
- Freezing point
- No data available
- Boiling point
- 760 °C
- Flash point
- No data available
- Auto-ignition temperature
- No data available
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Non-flammable
- Vapour pressure
- No data available
- Relative vapour density at 20°C
- No data available
- Density
- 1.2 g/cm³
- Solubility
- Freely soluble in water
- Log Pow
- No data available
- Viscosity, kinematic
- No data available
- Viscosity, dynamic
- No data available
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- No data available
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; incompatible with strong acids and oxidizing agents.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong acids, strong oxidizers
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if ingested; LD50 (oral, rat) is approximately 1,000 mg/kg.
- Skin corrosion/irritation
- May cause skin irritation.
- Serious eye damage/irritation
- May cause eye irritation.
- Respiratory or skin sensitisation
- Not a sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- No data available
- Specific target organ toxicity (repeated exposure)
- Not classified
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- Not assigned
- UN-No. (IMDG)
- Not assigned
- UN-No. (IATA)
- Not assigned
- UN-No. (ADN)
- Not assigned
- UN-No. (RID)
- Not assigned
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Sodium thiocyanate
- Proper Shipping Name (IMDG)
- Sodium thiocyanate
- Proper Shipping Name (IATA)
- Sodium thiocyanate
- Proper Shipping Name (ADN)
- Sodium thiocyanate
- Proper Shipping Name (RID)
- Sodium thiocyanate
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- Not classified as hazardous for transport
14.4 — Packing group
- Packing group (ADR)
- Not applicable
- Packing group (IMDG)
- Not applicable
- Packing group (IATA)
- Not applicable
- Packing group (ADN)
- Not applicable
- Packing group (RID)
- Not applicable
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Sodium thiocyanate is extensively used in analytical chemistry as a colorimetric reagent for the determination of iron(III) ions, where it forms a colored complex that can be quantitatively analyzed. Additionally, it serves as a titrant in Volhard's method for the determination of silver and halides, providing accurate results in quantitative analysis. Beyond its analytical applications, sodium thiocyanate is also utilized in the production of certain pharmaceuticals, as a stabilizer in photographic processes, and in the synthesis of various thiocyanate derivatives. Its role in the textile industry as a dyeing agent further highlights its versatility across different sectors.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01428
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 81.07 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 98-102% | 99.5% |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | None detected | None detected |
| Solubility | >1000 g/L | >1000 g/L |
The above product is expected to comply with Extra Pure grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| Extra Pure | 98-102% | 287 °C / 760 °C | <0.5% | <0.1% | None detected | >1000 g/L in water |
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