o-Toluidine
- CAS Number
- 95-53-4
- HSN Code
- 29214330
- Molecular Formula
- C7H9N
- Catalogue Number
- AL1534A
- Purity
- 99.5%
- Molecular Weight
- 107.16 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
o-Toluidine, also known as 2-toluidine, is an aromatic amine with the molecular formula C7H9N. This AR-grade o-toluidine has a purity of 99.5%, ensuring it meets stringent analytical requirements. It is notable for its use in various chemical syntheses and as a precursor in the production of dyes and pharmaceuticals. Due to its carcinogenic properties, it is essential to handle this compound with care, adhering to strict safety protocols.
Also known as 2-Toluidine, o-Aminotoluene.
- Catalogue No.
- AL1534A
- CAS Number
- 95-53-4
- Molecular Formula
- C7H9N
- Molecular Weight
- 107.16 g/mol
- HSN Code
- 29214330
- Grade
- AR (Analytical Reagent)
- Product Form
- Substance
o-Toluidine is a colorless to pale yellow liquid with a density of 1.008 g/mL at 20°C. It has a boiling point of approximately 110-112°C and a melting point of -39°C. The compound is soluble in water and has a characteristic amine odor. Its vapor pressure is about 0.5 mmHg at 20°C, indicating it can release vapors into the air, necessitating proper ventilation during use.
- Appearance
- -
- Shelf Life
- -
- Packaging
- -
- Storage
- Store in a cool, dry, well-ventilated area away from incompatible materials. Keep container tightly closed when not in use.
1.1 — Product identifier
- Chemical Name
- o-Toluidine
- Catalogue No.
- AL1534A
- Product form
- Substance
- CAS Number
- 95-53-4
- EC Number
- 202-453-1
- Grade
- AR
- EC Index Number
- 612-002-00-7
- Chemical Formula
- C7H9N
- HSN Code
- 29214330
- Synonyms
- 2-Toluidine, o-Aminotoluene
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used in analytical applications and as a chemical intermediate.
- 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
- May cause respiratory irritation. Prolonged exposure may cause damage to organs.
3.1 — Substance
- Name
- o-Toluidine
- CAS No.
- 95-53-4
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. 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. 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
- Symptoms of exposure may include headache, dizziness, nausea, and skin 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
- Combustible liquid. 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. Contain spill and prevent entry into waterways. Use appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Absorb spill 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
- Handle under a fume hood. Use appropriate personal protective equipment (PPE) including gloves and goggles.
- 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 heat 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 a NIOSH-approved respirator if exposure limits are exceeded.
9.1 — Information on basic physical and chemical properties
- Physical state
- Liquid
- Colour
- Colorless to pale yellow
- Odour
- Amine-like
- Odour threshold
- Not established
- pH value
- Not applicable
- Relative evaporation rate (butylacetate=1)
- Not established
- Melting point
- -39°C
- Freezing point
- Not established
- Boiling point
- 110-112°C
- Flash point
- 31°C
- Auto-ignition temperature
- Not established
- Decomposition temperature
- Not established
- Flammability (solid, gas)
- Not applicable
- Vapour pressure
- 0.5 mmHg at 20°C
- Relative vapour density at 20°C
- 3.7
- Density
- 1.008 g/mL
- Solubility
- Soluble in water, alcohol, and ether
- Log Pow
- 1.5
- Viscosity, kinematic
- Not established
- Viscosity, dynamic
- Not established
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not established
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
- LD50 (oral, rat) = 500 mg/kg; highly toxic if ingested or inhaled.
- Skin corrosion/irritation
- Causes skin irritation.
- Serious eye damage/irritation
- Causes serious eye irritation.
- Respiratory or skin sensitisation
- May cause allergic skin reaction.
- Germ cell mutagenicity
- Not classified
- Carcinogenicity
- Not classified
- Specific target organ toxicity (single exposure)
- May cause damage to organs through prolonged or repeated exposure.
- 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)
- 1708
- UN-No. (IMDG)
- 1708
- UN-No. (IATA)
- 1708
- UN-No. (ADN)
- 1708
- UN-No. (RID)
- 1708
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- o-Toluidine
- Proper Shipping Name (IMDG)
- o-Toluidine
- Proper Shipping Name (IATA)
- o-Toluidine
- Proper Shipping Name (ADN)
- o-Toluidine
- Proper Shipping Name (RID)
- o-Toluidine
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
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
o-Toluidine is primarily used in analytical chemistry for the synthesis of various organic compounds, including dyes, pigments, and pharmaceuticals. It serves as an intermediate in the production of toluene diisocyanate, which is used in the manufacture of flexible and rigid polyurethane foams. Additionally, it is utilized in the rubber industry as a curing agent and in the production of antioxidants. Its applications extend to the field of histology as a reagent for staining tissues.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1534A
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 107.16 g/mol
| Test | Standard | Observed |
|---|---|---|
| Purity | 99.5% min | 99.7% |
| Density | 1.008 g/mL | 1.008 g/mL |
| Boiling Point | 110-112°C | 111°C |
| Melting Point | -39°C | -39°C |
| Moisture Content | <0.5% | 0.3% |
| Residue on Ignition | <0.1% | 0.05% |
| Related Substances | None detected | None detected |
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% | -39°C / 110-112°C | <0.5% | <0.1% | None detected | Soluble in water and organic solvents |
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