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3,5-Diisopropylsalicylic acid

Also known as: 2-Hydroxy-3,5-diisopropylbenzoic acid, 2-hydroxy-3,5-di(propan-2-yl)benzoic acid, 3,5-Bis(isopropyl)-2-hydroxybenzoic acid, 3,5-Diisopropylsalicylate, 3,5-di-isopropylsalicylic acid, Propofol Impurity 2

3,5-Diisopropylsalicylic acid (CAS 2215-21-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H18O3 and a molecular weight of 222.28000 g/mol. Key properties include a melting point of 113-115 °C(lit.), a boiling point of 324.5ºC at 760mmHg, a density of 1.108g/cm3 and a flash point of 164.3ºC. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2215-21-6
Jingsj CID
J-44251-3
Molecular Formula
C13H18O3
Molecular Weight
222.28000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point113-115 °C(lit.)
Boiling Point324.5ºC at 760mmHg
Density1.108g/cm3
Flash Point164.3ºC
Exact Mass222.12600
PSA57.53000
LogP3.33720
Vapor Pressure0.0001mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918290000
SummaryHS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3,5-Diisopropylsalicylic acid?

The CAS number of 3,5-Diisopropylsalicylic acid is 2215-21-6.

What are the molecular formula and molecular weight of 3,5-Diisopropylsalicylic acid?

3,5-Diisopropylsalicylic acid has molecular formula C13H18O3 and molecular weight 222.28000 g/mol.

Is 3,5-Diisopropylsalicylic acid hazardous?

3,5-Diisopropylsalicylic acid has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,5-Diisopropylsalicylic acid (CAS 2215-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44251-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.