4-Methylaniline hydrochloride
Also known as: p-Toluidine hydrochloride, p-Toluidine Hydrochloride, 4-TOLUIDINE HYDROCHLORIDE, 4-Methylbenzenamine hydrochloride, p-Toluidinium chloride, 4-Aminotoluene hydrochloride, 4-Methylanilinium chloride, MFCD00035497, EINECS 208-740-8
4-Methylaniline hydrochloride (CAS 540-23-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10ClN and a molecular weight of 143.61400 g/mol. Key properties include a melting point of 243-245 °C(lit.) and a boiling point of 200.4ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H317 — May cause an allergic skin reaction. It is listed by 2 suppliers, from 1.22 to 6.98 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 540-23-8
- Jingsj CID
- J-16519-2
- Molecular Formula
- C7H10ClN
- Molecular Weight
- 143.61400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 98% 500g | ¥610.00 | $0.18 /gBest ¥1.22/g CNY | CN China MOQ 500g | |
In Stock | >98.0%(LC)(N) 500g | ¥1,296.00 | $0.39 /g ¥2.59/g CNY | CN China MOQ 500g | |
Made to Order | 98% 25g | ¥70.00 | $0.42 /g ¥2.80/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 243-245 °C(lit.) |
|---|---|
| Boiling Point | 200.4ºC |
| Exact Mass | 143.05000 |
| PSA | 26.02000 |
| LogP | 2.96040 |
GHS Safety & Compliance
- 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
Customs & Trade Information
| HS Code | 2921430090 |
|---|---|
| Summary | HS:2921430090 toluidines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Methylaniline hydrochloride?
The CAS number of 4-Methylaniline hydrochloride is 540-23-8.
What are the molecular formula and molecular weight of 4-Methylaniline hydrochloride?
4-Methylaniline hydrochloride has molecular formula C7H10ClN and molecular weight 143.61400 g/mol.
Which suppliers offer 4-Methylaniline hydrochloride?
2 supplier(s) listed; reference unit price ¥1.22–6.98 /g.
Is 4-Methylaniline hydrochloride hazardous?
4-Methylaniline hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin; H317 — May cause an allergic skin reaction.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylaniline hydrochloride (CAS 540-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16519-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.