p-Toluidine hydrochloride

For Synthesis For Laboratory Use
CAS Number
540-23-8
HSN Code
29214350
Molecular Formula
C7H9N·HCl
Catalogue Number
AL4620
Purity
≥ 99%
Molecular Weight
143.62 g/mol

Complies with : IP | BP | USP | EP | ACS

ISO 9001 ISO 14001 GMP COA with every batch

Sign In

Sign in to view pricing and place your order.

Don't have an account? Create one

Key Properties

Appearance Off-white to grayish-white crystals
Shelf Life 2 years
Packaging Available in: 100 gm glass bottle, 250 gm glass bottle
Storage Store in a cool, dry place, away from moisture and incompatible materials.

P-toluidine hydrochloride appears as off-white to grayish-white crystals.

Also known as p-Toluidine HCl, 4-Methylaminobenzene hydrochloride.

Catalogue No.
AL4620
CAS Number
540-23-8
Molecular Formula
C7H9N·HCl
Molecular Weight
143.62 g/mol
HSN Code
29214350
Grade
For Synthesis
Product Form
Substance

Melting point: 243 °C; Boiling point: 258 °C at 760 mmHg; Solubility: greater than or equal to 100 mg/mL at 68 °F.

Appearance
Off-white to grayish-white crystals
Shelf Life
2 years
Packaging
Available in: 100 gm glass bottle, 250 gm glass bottle
Storage
Store in a cool, dry place, away from moisture and incompatible materials.

1.1 — Product identifier

Chemical Name
p-Toluidine hydrochloride
Catalogue No.
AL4620
Product form
Substance
CAS Number
540-23-8
EC Number
208-740-8
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

2.1 — Classification of the substance or mixture

Classification according to Regulation (EC) No 1272/2008
Carc. 2; Acute Tox. 3 *; Eye Irrit. 2; Skin Sens. 1; Aquatic Acute 1
Classification source
CLP Annex VI via PubChem CID 10891

2.2 — Label elements

Hazard pictograms
Acute Toxic, Health Hazard, Environmental Hazard
Signal word
Danger
Hazard statements
H301: Toxic if swallowed; H311: Toxic in contact with skin; H317: May cause an allergic skin reaction; H319: Causes serious eye irritation; H331: Toxic if inhaled; H351: Suspected of causing cancer; H400: Very toxic to aquatic life
Precautionary statements
P203, P261, P262, P264, P264+P265, P270, P271, P272, P273, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P318, P321, P330, P333+P317, P337+P317, P361+P364, P362+P364, P391, P403+P233, P405, P501

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
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water.
First-aid measures after eye contact
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center.
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
243 °C
Freezing point
Not specified
Boiling point
258 °C at 760 mmHg
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
greater than or equal to 100 mg/mL at 68 °F
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
Not classified (based on available data)
Serious eye damage/irritation
H319: Causes serious eye irritation
Respiratory or skin sensitisation
H317: May cause an allergic skin reaction
Germ cell mutagenicity
Not classified (based on available data)
Carcinogenicity
H351: Suspected of causing cancer
Specific target organ toxicity (single exposure)
Not classified (based on available data)
Specific target organ toxicity (repeated exposure)
Not classified (based on available data)

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% m.p. 243 °C; b.p. 258 °C at 760 mmHg ≤ 0.5% ≤ 0.1% None detected greater than or equal to 100 mg/mL at 68 °F
View full Technical Data Sheet

Related Products

View All

Why buy from Alpha Chemika

Trusted Quality ISO 9001:2015 Certified
Global Supply 125+ Countries Served
Complete Documentation COA, MSDS, TDS & more
Expert Support We're here to help

What Our Scientific & Industrial Customers Say

“Speedy delivery, professional staff.”

Sonica Lokhandwala

“One shop stop for all laboratory chemicals requirements.”

Adebowale Idris

“Exactly as advertised.”

Babatunde Ugwuanyi

“Alpha Chemika products are of excellent quality. Highly satisfied.”

Jack Roberts

“From ordering to shipping, every course of action was smooth. Timely delivery.”

Priti Mourya

“Completely satisfied with the products and services.”

Hitu Kunjathur
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.

Email Address info@alphachemika.net
Phone Number +91 9769472001

Request a Quote

Tell us about your requirement, and our team will get back to you with the right product recommendations and technical support.

  • No countries found

Fields marked * are required. By submitting this form you agree to be contacted by Alpha Chemika regarding your enquiry.

Alpha Chemika Assistant Product search & quotations
Thinking…

items in your quote

Your Quote Request ( items)

Currency: