Potassium Thiocyanate Extra Pure

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Potassium Thiocyanate Extra Pure is a high-purity crystalline compound commonly used in analytical chemistry, forensic science, and complexometric titrations. Known for forming deeply colored complexes with iron and other metal ions, it is frequently employed as a qualitative reagent for detecting ferric ions. In laboratory environments, it also plays a role in spectrophotometric analysis, chemical synthesis, and photographic processing. Its extra pure grade ensures exceptional clarity and consistency in results, making it suitable for precision applications where reagent-grade chemicals are not sufficient.

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Categories: Analytical Reagents, Inorganic and Organic Standards Tags: AmarisChemicalSolutions, AnalyticalChemistry, ExtraPure, InorganicSalt, KSCN, LaboratorySafety, LabReagent, PotassiumThiocyanate, ResearchGrade, ToxicSubstance

Description

Table of Contents

Potassium Thiocyanate Extra Pure

PRIMARY USES

Analytical Chemistry
- Used in iron(III) thiocyanate tests to detect Fe³⁺ ions (deep red complex formation).
- Common reagent for colorimetric and spectrophotometric analysis of various metal ions.
- Applied in gravimetric and titrimetric determinations.
Forensic & Toxicological Analysis
- Plays a role in blood and saliva analysis due to its ability to react with specific ions.
- Used in chemical detection kits and trace residue identification.
Photographic Industry
- Acts as a fixing agent and stabilizer in photographic emulsions.
- Assists in complexation and removal of unreacted silver halides.

SECONDARY USES

Chemical Synthesis
- Intermediate in preparing thiocyanate complexes, organosulfur compounds, and catalysts.
- Used in the formation of transition metal coordination compounds.
Biochemical Applications
- Employed in protein denaturation studies and enzyme activity assays as a chaotropic agent.
- Facilitates membrane permeability studies in controlled environments.
Educational Laboratories
- Demonstrates coordination chemistry, redox reactions, and ligand exchange principles in classrooms.
- Suitable for color reaction demonstrations and reagent preparation.

PRODUCT KEY FEATURES

1. Basic Identification Attributes

Chemical Name: Potassium Thiocyanate
CAS Number: 333-20-0
HS Code: 2842.90.90
Molecular Formula: KSCN
Synonyms:
- Potassium rhodanide
- Thiocyanic acid, potassium salt
- KSCN

2. Physical & Chemical Properties

Physical State: Solid (crystalline powder or granules)
Color & Odor: Colorless to white crystals; faint bitter or sulfur-like odor
Boiling Point & Melting Point:
- Melting Point: ~173 °C
- Decomposes before boiling
Density/Specific Gravity: ~1.89 g/cm³
Solubility:
- Soluble in water (highly soluble)
- Soluble in ethanol and acetone
pH Level: ~6–8 (1% aqueous solution)
Vapor Pressure & Volatility: Negligible vapor pressure
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable (solid)

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):
- Acute Toxicity (Oral, Category 4)
- Eye Irritation (Category 2A)
NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 1
Exposure Limits:
- No specific OSHA PEL or ACGIH TLV established
Reactivity:
- Incompatible with strong acids, oxidizers, and nitrates
- May release toxic gases (e.g., hydrogen cyanide) when heated or acidified

4. Storage & Handling Attributes

Storage Conditions:
- Store in a cool, dry, well-ventilated place
- Protect from light and moisture
Incompatible Materials:
- Acids, strong oxidizing agents, nitrates
Container Type:
- Airtight plastic or glass containers
Shelf Life & Expiration Date:
- Stable under recommended conditions; check every 2–3 years
Special Handling Requirements:
- Use gloves and safety goggles
- Work in a fume hood if handling powders or solutions extensively

5. Regulatory & Compliance Attributes

Regulatory Status:
- Listed under TSCA and REACH
Hazard Symbols (GHS Pictograms):
- ⚠️ Warning (Acute toxicity, eye irritation)
Transportation Restrictions:
- Not regulated as a hazardous material by DOT/ADR
- No UN number
Waste Disposal Method:
- Dispose as hazardous waste
- Must comply with local, state, and national environmental regulations (e.g., RCRA in the U.S.)

6. Environmental & Health Impact

Ecotoxicity:
- Toxic to aquatic organisms in high concentrations
Persistence in Environment:
- Can degrade slowly; may persist in water if not treated
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic by IARC, NTP, or OSHA
Biodegradability:
- Not readily biodegradable; inorganic salt

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Chemical-resistant lab coat
Nitrile gloves (check for integrity before use)
Safety goggles or chemical splash face shield
Dust mask or respirator in case of inadequate ventilation

Handling:

Handle with care in a well-ventilated area
Avoid contact with skin, eyes, and clothing
Do not inhale dust or vapors
Prevent release into the environment
Avoid mixing with acids — may release toxic hydrogen cyanide gas

Storage:

Store tightly sealed in a cool, dry, and well-ventilated area
Protect from moisture and light
Keep away from incompatible materials such as acids, strong oxidizers, and metals
Label properly and keep away from food and drink

FIRST AID MEASURES

Inhalation:

Remove victim to fresh air immediately
Keep at rest and warm
Provide oxygen if breathing is difficult
Seek immediate medical attention

Skin Contact:

Immediately wash skin with soap and plenty of water
Remove contaminated clothing
Seek medical advice if irritation develops or persists

Eye Contact:

Rinse cautiously with water for at least 15 minutes
Remove contact lenses if present and easy to do
Seek urgent medical attention

Ingestion:

Rinse mouth with water (only if person is conscious)
Do not induce vomiting
Seek emergency medical help immediately — cyanide poisoning possible

FIRE FIGHTING MEASURES

Flammability:

Not highly flammable but may decompose on heating

Extinguishing Media:

Use dry chemical, CO₂, or alcohol-resistant foam
Water spray may be used to cool containers, not for direct extinguishment

Hazardous Combustion Products:

Hydrogen cyanide, sulfur oxides, nitrogen oxides, potassium oxides

Firefighter Protection:

Full protective gear with self-contained breathing apparatus (SCBA)
Approach fire with caution — toxic gases may be released
Control runoff to prevent environmental contamination