4-Methylaniline hydrochloride

Product Name: 4-Methylaniline hydrochloride
CAS No.: 540-23-8
Chemical Name: 4-Methylaniline hydrochloride
Synonyms: P-TOLUIDINE HCL;4-methylaniline HCL;Toluidinium chloride;P-TOLUIDINIUM CHLORIDE;p-Toluidine hydrochlori;ρ-Toluidine hydrochliride;4-methylaniliniumchloride;4-TOLUIDINE HYDROCHLORIDE;P-TOLUIDINE HYDROCHLORIDE;p-methylaniliniumchloride
CBNumber: CB9689488
Molecular Formula: C7H10ClN
Formula Weight: 143.61
MOL File: 540-23-8.mol

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4-Methylaniline hydrochloride Property

Melting point:: 243-245 °C(lit.)
Density: 1.193 g/cm3
storage temp.: Store below +30°C.
Water Solubility: Soluble in water
solubility: DMSO (Sparingly), Methanol (Slightly)
form: powder to crystal
color: White to Gray to Red
BRN: 3557540
Stability:: Hygroscopic
InChI: 1S/C7H9N.ClH/c1-6-2-4-7(8)5-3-6;/h2-5H,8H2,1H3;1H
InChIKey: JQKBUTDZZRGQDR-UHFFFAOYSA-N
SMILES: Cl[H].Cc1ccc(N)cc1
CAS DataBase Reference: 540-23-8(CAS DataBase Reference)
EPA Substance Registry System: p-Toluidine hydrochloride (540-23-8)

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Safety

Hazard Codes: T,N
Risk Statements: 23/24/25-36-40-43-50
Safety Statements: 28-36/37-45-61
RIDADR: UN 2811 6.1/PG 1
WGK Germany: 3
RTECS: XU7525000
TSCA: TSCA listed
HazardClass: 6.1(a)
PackingGroup: II
HS Code: 29214300
Storage Class: 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications: Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Carc. 2
Eye Irrit. 2
Skin Sens. 1

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H317May cause an allergic skin reaction

H319Causes serious eye irritation

H351Suspected of causing cancer

H400Very toxic to aquatic life

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P391Collect spillage. Hazardous to the aquatic environment

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 89650
Product name: p-Toluidine hydrochloride
Purity: purum, ≥99.0% (AT)
Packaging: 100g
Price: $104
Updated: 2026/04/30

Sigma-Aldrich

Product number: 89650
Product name: p-Toluidine hydrochloride
Purity: purum, ≥99.0% (AT)
Packaging: 500g
Price: $476
Updated: 2026/04/30

TCI Chemical

Product number: T0303
Product name: p-Toluidine Hydrochloride
Purity: >98.0%(HPLC)(N)
Packaging: 25g
Price: $23
Updated: 2026/04/30

TCI Chemical

Product number: T0303
Product name: p-Toluidine Hydrochloride
Purity: >98.0%(HPLC)(N)
Packaging: 500g
Price: $152
Updated: 2026/04/30

Chem-Impex

Product number: 49347
Product name: 4-Methylaniline hydrochloride
Purity: ≥99%(Assaybytitration)
Packaging: 5G
Price: $13.8
Updated: 2026/05/19

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4-Methylaniline hydrochloride Chemical Properties,Usage,Production

Chemical Properties

white to light beige crystalline powder, crystals

Uses

p-Toluidine Hydrochloride acts as a reagent for the preparation and biological activity of N-acylleucine (arylaminoethyl)amides as non-covalent inhibitors of cathepsin K, L and S. Catalyst in the chemistry of azasteroids.

General Description

Off-white to grayish-white crystals.

Air & Water Reactions

Water soluble. May be sensitive to moisture.

Reactivity Profile

4-Methylaniline hydrochloride reacts with oxidizing and alkali materials. .

Fire Hazard

Flash point data for 4-Methylaniline hydrochloride are not available, but 4-Methylaniline hydrochloride is probably combustible.

Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and tumorigenic data. When heated to decomposition it emits very toxic fumes of NOx and HCl. See also p-TOLUIDINE.

Purification Methods

Crystallise the salt from MeOH containing a few drops of conc HCl or aqueous EtOH. Dry it under vacuum over paraffin chips. [Beilstein 12 II 587, 12 III 2021, 12 IV 1869.]

4-Methylaniline hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Methylaniline hydrochloride Suppliers

Austria 1 China 66 Europe 1 Germany 4 India 11 Japan 4 Switzerland 2 United Kingdom 4 United States 25 Global 118

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
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Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
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Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42934
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Shandong Xiya Chemical Co., Ltd

Tel: 13355009207 13355009207
Fax: 0539-6365991
Email: 3007715519@qq.com
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Syntechem Co.,Ltd

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Sichuan Kulinan Technology Co., Ltd

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Fax: 028-84555506 800101999
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Tianjin heowns Biochemical Technology Co., Ltd.

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Maya High Purity Chemicals

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Spectrum Chemical Manufacturing Corp.

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Chengdu Ai Keda Chemical Technology Co., Ltd.

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View Lastest Price from 4-Methylaniline hydrochloride manufacturers

Career Henan Chemical Co

Product: 4-Methylaniline hydrochloride 540-23-8
Price: US $1.00/kg
Min. Order: 1kg
Purity: 95%-99%
Supply Ability: 100kg
Release date: 2018-12-24

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