p-Toluidine hydrochloride
- CAS Number
- 540-23-8
- HSN Code
- 29214350
- Molecular Formula
- C7H9N·HCl
- Catalogue Number
- AL02578
- Purity
- ≥ 99%
- Molecular Weight
- 143.62 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
p-Toluidine hydrochloride (for synthesis) is a stable salt form of p-toluidine, a colorless to pale yellow liquid amine. It is primarily used as a synthetic intermediate in the production of various chemical compounds. This compound is notable for its role in the synthesis of azo dyes and pharmaceuticals, making it an important reagent in organic chemistry. With a high purity of 99%, it is suitable for laboratory and industrial applications where precision and quality are paramount.
Also known as p-Toluidine HCl, 4-Methylaminobenzene hydrochloride.
- Catalogue No.
- AL02578
- CAS Number
- 540-23-8
- Molecular Formula
- C7H9N·HCl
- Molecular Weight
- 143.62 g/mol
- HSN Code
- 29214350
- Grade
- For Synthesis
- Product Form
- Substance
p-Toluidine hydrochloride appears as a white to pale gray crystalline powder. It has a melting point of approximately 170-175 °C and is soluble in water, which facilitates its use in various aqueous reactions. The compound has a density of about 1.1 g/cm³ and exhibits a slight amine-like odor. Its hygroscopic nature means it can absorb moisture from the air, which should be considered during storage and handling.
- Appearance
- White to pale gray crystalline powder
- Shelf Life
- 2 years
- Packaging
- Available in 100g, 500g, and 1kg containers
- Storage
- Store in a cool, dry place, away from moisture and incompatible materials.
1.1 — Product identifier
- Chemical Name
- p-Toluidine hydrochloride
- Catalogue No.
- AL02578
- Product form
- Substance
- CAS Number
- 540-23-8
- EC Number
- 208-963-0
- Grade
- For Synthesis
- EC Index Number
- 612-007-00-6
- Chemical Formula
- C7H9N·HCl
- HSN Code
- 29214350
- Synonyms
- p-Toluidine HCl, 4-Methylaminobenzene hydrochloride
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Used as a synthetic intermediate in the production of dyes and pharmaceuticals.
- 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
- Suspected carcinogen; may cause skin and eye irritation.
3.1 — Substance
- Name
- p-Toluidine hydrochloride
- CAS No.
- 540-23-8
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
- 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
- Toxic fumes may be released in a fire. Use appropriate fire-fighting measures.
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. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Contain spill and collect using appropriate methods. 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 with gloves and in a well-ventilated area. Avoid contact with skin and eyes.
- 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 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 appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to pale gray
- Odour
- Slight amine-like
- Odour threshold
- Not specified
- pH value
- Not specified
- Relative evaporation rate (butylacetate=1)
- Not specified
- Melting point
- 170-175 °C
- Freezing point
- Not specified
- Boiling point
- Not specified
- Flash point
- Not specified
- Auto-ignition temperature
- Not specified
- Decomposition temperature
- Not specified
- Flammability (solid, gas)
- Not flammable under normal conditions
- Vapour pressure
- Not specified
- Relative vapour density at 20°C
- Not specified
- Density
- 1.1 g/cm³
- Solubility
- Soluble in water
- Log Pow
- Not specified
- Viscosity, kinematic
- Not specified
- Viscosity, dynamic
- Not specified
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidizing
- Explosive limits
- Not specified
10.1 — Reactivity
- Reactivity
- Stable under normal conditions; avoid 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 oxidizing agents, strong acids.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- Not specified
11.1 — Information on toxicological effects
- Acute toxicity
- Toxic if swallowed or inhaled; may cause respiratory irritation.
- 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)
- 2811
- UN-No. (IMDG)
- 2811
- UN-No. (IATA)
- 2811
- UN-No. (ADN)
- 2811
- UN-No. (RID)
- 2811
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Toxic solid, organic, n.o.s. (p-Toluidine hydrochloride)
- Proper Shipping Name (IMDG)
- Toxic solid, organic, n.o.s. (p-Toluidine hydrochloride)
- Proper Shipping Name (IATA)
- Toxic solid, organic, n.o.s. (p-Toluidine hydrochloride)
- Proper Shipping Name (ADN)
- Toxic solid, organic, n.o.s. (p-Toluidine hydrochloride)
- Proper Shipping Name (RID)
- Toxic solid, organic, n.o.s. (p-Toluidine hydrochloride)
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- III
- Packing group (IMDG)
- III
- Packing group (IATA)
- III
- Packing group (ADN)
- III
- Packing group (RID)
- III
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
p-Toluidine hydrochloride is widely used as a building block in the synthesis of azo dyes, which are important in the textile industry for coloring fabrics. Additionally, it serves as a pharmaceutical intermediate in the production of various drugs, including analgesics and anti-inflammatory agents. Its applications extend to research settings where it is utilized in organic synthesis and chemical analysis, making it a versatile compound in both industrial and laboratory environments.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL02578
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 143.62 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | Light brownish flakes/powder | Light brownish flakes |
| Assay (by argentometry) | Min. 99.0% | 99.1% |
| Melting range | 239 - 242°C Light brownish flakes | 240°C |
| Light brownish flakes |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| For Synthesis | ≥ 99% | 170-175 °C | ≤ 0.5% | ≤ 0.1% | None detected | Soluble in water |
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