Pyridine
- CAS Number
- 110-86-1
- HSN Code
- 29333100
- Molecular Formula
- C5H5N
- Catalogue Number
- AL1279A
- Purity
- 99.5%
- 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 99.5% AR is a high-purity aromatic heterocyclic organic compound characterized by a six-membered ring containing one nitrogen atom. This AR-grade pyridine is notable for its stringent purity control, making it suitable for analytical and precision synthesis applications where higher purity is essential compared to technical or synthesis grades. Pyridine is a colorless to pale yellow liquid with a distinctive, unpleasant odor, and it is widely used in the production of agrochemicals, pharmaceuticals, and as a solvent in various chemical reactions. Its molecular structure contributes to its reactivity and utility in organic synthesis, making it a valuable reagent in laboratories and industrial settings.
Also known as Azabenzene, Pyridine, 1-Azabenzene.
- Catalogue No.
- AL1279A
- CAS Number
- 110-86-1
- Molecular Formula
- C5H5N
- Molecular Weight
- 79.10 g/mol
- HSN Code
- 29333100
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
Pyridine 99.5% AR 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 compound is soluble in water, ethanol, and ether, and has a flash point of 30°C. Pyridine has a characteristic malodorous scent, which is a key identifier of its presence. Its vapor pressure is about 15 mmHg at 20°C, indicating its volatility. The compound has a refractive index of 1.507 and a viscosity of 0.89 mPa·s at 20°C.
- Appearance
- Colorless to pale yellow liquid
- Shelf Life
- 2 years
- Packaging
- Available in 1L and 5L glass bottles
- Storage
- Store in a cool, well-ventilated area away from sources of ignition.
1.1 — Product identifier
- Chemical Name
- Pyridine
- Catalogue No.
- AL1279A
- Product form
- Substance
- CAS Number
- 110-86-1
- EC Number
- 203-809-0
- Grade
- AR
- EC Index Number
- 613-002-00-2
- Chemical Formula
- C5H5N
- HSN Code
- 29333100
- Synonyms
- Azabenzene, Pyridine, 1-Azabenzene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Solvent, reagent in organic synthesis, analytical applications
- 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 and vapor; may cause respiratory 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 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. Continue rinsing. Seek medical attention if irritation persists.
- 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, respiratory irritation.
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 ventilate. Use appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Contain spill with inert material and 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 sources and incompatible materials.
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
- Malodorous
- 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
- Miscible with water, ethanol, and ether
- Log Pow
- 0.46
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- 0.89 mPa·s at 20°C
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- 1.8 - 7.6 vol% in air
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; reacts 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): 2000 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)
- 1282
- UN-No. (IMDG)
- 1282
- UN-No. (IATA)
- 1282
- UN-No. (ADN)
- 1282
- UN-No. (RID)
- 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 99.5% AR is extensively used in analytical chemistry for the synthesis of various compounds, including pharmaceuticals and agrochemicals. It serves as a solvent and reagent in organic synthesis, particularly in the preparation of heterocyclic compounds and as a catalyst in chemical reactions. Additionally, pyridine is utilized in the production of dyes, rubber, and plastics, and it plays a role in the extraction of certain metals. Its high purity makes it ideal for applications in laboratories where precision and accuracy are paramount.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1279A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 79.10 g/mol
| Test | Standard | Observed |
|---|---|---|
| Assay | 99.5% min | 99.7% |
| Water Content | <0.5% | 0.3% |
| Related Substances | <0.5% | 0.2% |
| Residue on Ignition | <0.1% | 0.05% |
The above product is expected to comply with AR grade specification.
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| AR | 99.5% | -41.6 °C / 115.2 °C | <0.5% | <0.1% | <0.5% | Miscible with water, ethanol, and ether |
Related Products
View AllWhy buy from Alpha Chemika
What Our Scientific & Industrial Customers Say
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“One shop stop for all laboratory chemicals requirements.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“Exactly as advertised.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Alpha Chemika products are of excellent quality. Highly satisfied.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“From ordering to shipping, every course of action was smooth. Timely delivery.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“Completely satisfied with the products and services.”
“Speedy delivery, professional staff.”
“One shop stop for all laboratory chemicals requirements.”
FAQs
Common Questions About Laboratory Chemicals & Solutions
Find answers to common questions about laboratory chemicals, product selection, documentation, ordering, and technical support. Whether you are sourcing chemicals for research, testing, education, manufacturing, or industrial applications, these FAQs can help you make informed purchasing decisions.
Alpha Chemika offers a wide range of laboratory chemicals, reagents, solvents, and specialty products for research, testing, educational, pharmaceutical, and industrial applications.
Product selection depends on factors such as application, required purity, grade, specifications, and intended use. Our team can help you identify suitable products based on your technical requirements.
Yes. Relevant product information and technical documentation can be provided to help you evaluate products for quality, handling, compliance, and application requirements.
Yes. You can share your product list, required quantities, specifications, and delivery requirements with our team for a tailored quotation.
Yes. We support requirements from research laboratories, educational institutions, pharmaceutical companies, manufacturers, distributors, and other scientific and industrial organizations.
Connect with Us for Your Requirements
Have a specific product requirement or need help finding the right chemical for your application? Share your requirements with our team, and we will help you identify suitable products, specifications, quantities, and procurement options.
