Pyridine
- CAS Number
- 110-86-1
- HSN Code
- 29333100
- Molecular Formula
- C5H5N
- Catalogue Number
- AL01279
- Purity
- ≥ 98%
- Molecular Weight
- 79.10 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
Pyridine (for synthesis, azabenzene) is one of the most widely used nitrogen heterocycles, essential as a solvent and base in organic synthesis. It is a colorless to pale yellow liquid with a strong, unpleasant fish-like odor, making it notable for its distinctive smell. Pyridine is classified as a flammable liquid and is commonly used in various chemical reactions due to its ability to act as a base and solvent. Its molecular weight is 79.10 g/mol, and it has a purity of 98%, making it suitable for synthesis applications.
Also known as Azabenzene.
- Catalogue No.
- AL01279
- CAS Number
- 110-86-1
- Molecular Formula
- C5H5N
- Molecular Weight
- 79.10 g/mol
- HSN Code
- 29333100
- Grade
- 98%
- Product Form
- Substance
Pyridine is a colorless to pale yellow liquid with a density of 0.982 g/mL at 20°C. It has a boiling point of approximately 115.2°C and a melting point of -41.6°C. The vapor pressure of pyridine at 20°C is about 15 mmHg, indicating its volatility. It is soluble in water, alcohol, and ether, which enhances its utility in various chemical processes. The strong, unpleasant fish-like odor is characteristic of pyridine, and it has a flash point of 30°C, classifying it as a flammable substance.
- Appearance
- Colorless to pale yellow liquid
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, well-ventilated area away from sources of ignition.
1.1 — Product identifier
- Chemical Name
- Pyridine
- Catalogue No.
- AL01279
- Product form
- Substance
- CAS Number
- 110-86-1
- EC Number
- 203-809-0
- Grade
- 98%
- EC Index Number
- 613-002-00-2
- Chemical Formula
- C5H5N
- HSN Code
- 29333100
- Synonyms
- Azabenzene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent and base in organic synthesis
- 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
- Flammable liquid; may cause skin and eye irritation.
3.1 — Substance
- Name
- Pyridine
- CAS No.
- 110-86-1
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If breathing is difficult, give oxygen. Seek medical attention if symptoms persist.
- First-aid measures after skin contact
- Wash with soap and water. Remove contaminated clothing. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing and 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
- Headache, dizziness, nausea, and irritation of the 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
- Flammable; vapors may form explosive mixtures with air.
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
- Evacuate area and eliminate all ignition sources. Ventilate area and contain spill.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Absorb with inert material and place in a chemical waste container. Dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Use in a fume hood. Wear appropriate personal protective equipment (PPE).
- 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, well-ventilated area away from heat and ignition sources.
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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Strong, unpleasant fish-like
- Odour threshold
- Not specified
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- -41.6°C
- Freezing point
- Not specified
- Boiling point
- 115.2°C
- Flash point
- 30°C
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Flammable liquid
- Vapour pressure
- 15 mmHg at 20°C
- Relative vapour density at 20°C
- Not specified
- Density
- 0.982 g/mL
- Solubility
- Soluble in water, alcohol, and ether
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not specified
- Oxidising properties
- Not specified
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; may react with strong 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 oxidizers, strong acids, and bases.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Oral LD50 (rat): 891 mg/kg; Dermal LD50 (rabbit): 1,200 mg/kg.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- Not a skin sensitizer.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause respiratory irritation.
- 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)
- UN 1282
- UN-No. (IMDG)
- UN 1282
- UN-No. (IATA)
- UN 1282
- UN-No. (ADN)
- UN 1282
- UN-No. (RID)
- UN 1282
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Pyridine
- Proper Shipping Name (IMDG)
- Pyridine
- Proper Shipping Name (IATA)
- Pyridine
- Proper Shipping Name (ADN)
- Pyridine
- Proper Shipping Name (RID)
- Pyridine
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 3
14.4 — Packing group
- Packing group (ADR)
- II
- Packing group (IMDG)
- II
- Packing group (IATA)
- II
- Packing group (ADN)
- II
- Packing group (RID)
- II
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
Pyridine is widely used as a solvent and base catalyst in acylation reactions, particularly in the synthesis of pharmaceuticals and agrochemicals. It serves as a building block in the production of various nitrogen-containing compounds, including herbicides, insecticides, and pharmaceuticals. Additionally, pyridine is utilized in the manufacture of dyes, rubber, and plastics, showcasing its versatility across multiple industries. Its role as a reagent in organic synthesis makes it indispensable in laboratories and industrial settings.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL01279
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 79.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | ≥ 98% | 98.5% |
| Water Content | ≤ 0.5% | 0.3% |
| Residue on Ignition | ≤ 0.1% | 0.05% |
| Related Substances | Not more than 1% | 0.8% |
| Appearance | Colorless to pale yellow liquid | Pale yellow liquid |
The above product is expected to comply with 98% grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 98% | ≥ 98% | -41.6°C / 115.2°C | ≤ 0.5% | ≤ 0.1% | Not more than 1% | Soluble in water, alcohol, and ether |
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