4-(Chloromethyl)benzoic acid
Also known as: alpha-Chloro-p-toluic acid, p-Carboxybenzyl chloride, 4-(Chloromethyl)benzoic acid, 4-Carboxybenzyl chloride, α-Chloro-p-toluic acid, p-Carboxbenzyl chloride, 4-Chloro-p-toluic acid
4-(Chloromethyl)benzoic acid (CAS 1642-81-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.593 g/mol. Key properties include a melting point of 201-202 °C(lit.), a boiling point of 317.7±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 145.9±23.2 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1642-81-5
- Jingsj CID
- J-44223-9
- Molecular Formula
- C8H7ClO2
- Molecular Weight
- 170.593 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 201-202 °C(lit.) |
|---|---|
| Boiling Point | 317.7±25.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 145.9±23.2 °C |
| Exact Mass | 170.013458 |
| PSA | 37.30000 |
| LogP | 2.16 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.577 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H334 — May cause allergy or asthma symptoms if inhaled
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives 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-(Chloromethyl)benzoic acid?
The CAS number of 4-(Chloromethyl)benzoic acid is 1642-81-5.
What are the molecular formula and molecular weight of 4-(Chloromethyl)benzoic acid?
4-(Chloromethyl)benzoic acid has molecular formula C8H7ClO2 and molecular weight 170.593 g/mol.
Is 4-(Chloromethyl)benzoic acid hazardous?
4-(Chloromethyl)benzoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 4-(Chloromethyl)benzoic acid?
For 4-(Chloromethyl)benzoic acid, Upstream Products: 4-Methylbenzoic acid, 4-Carboxyphenylacetic acid, 4-(Chloromethyl)benzonitrile; Downstream Products: 4-((diethylamino)methyl)benzoic acid hydrochloride, Methyl 4-(chloromethyl)benzoate, Methyl 4-(methoxymethyl)benzoate.
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-(Chloromethyl)benzoic acid (CAS 1642-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44223-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.