Skip to content
Molekula

Molekula

Homophthalic acid (2-Carboxyphenylacetic acid)

CAS 89-51-0 C6H4(CH2COOH)2 MW 180.16 Made to order

Homophthalic acid, also known as 2-carboxyphenylacetic acid, is a dicarboxylic acid used in organic synthesis and as an intermediate in pharmaceutical and polymer production. It appears as a white to off-white crystalline powder. CAS: 89-51-0, Molecular Formula: C6H4(CH2COOH)2, Molecular Weight: 180.16 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Homophthalic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Homophthalic acid, also known as 2-carboxyphenylacetic acid, is a dicarboxylic acid used in organic synthesis and as an intermediate in pharmaceutical and polymer production. It appears as a white to off-white crystalline powder. CAS: 89-51-0, Molecular Formula: C6H4(CH2COOH)2, Molecular Weight: 180.16 g/mol, Storage: Ambient, Signal Word: Warning. Molekula supplies Homophthalic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Solid

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 89-51-0
Molecular Formula C6H4(CH2COOH)2
Molecular Weight 180.16
SMILES C1=CC=C(C(=C1)CC(=O)O)C(=O)O
REACH Code Y110
TSCA Listed Yes
HTS Code 2917.39.7000
Tariff Code 2917398590

Safety & GHS

Warning
  • GHS pictogram — Explosive Explosive GHS01

Hazard statements

  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation

Precautionary statements

  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P264 Wash thoroughly after handling
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Homophthalic acid used for?

Homophthalic acid is primarily used as an intermediate in the synthesis of specialty chemicals and polymers, including resins and pharmaceuticals.

What is the chemical formula and molecular weight of Homophthalic acid?

The formula is C6H4(CH2COOH)2 with a molecular weight of 180.16 g/mol.

How should Homophthalic acid be stored?

It should be stored at ambient temperature, protected from moisture and direct sunlight.

What grade of Homophthalic acid does Molekula supply?

Molekula supplies Homophthalic acid in technical grade; custom grades available upon request.

Can Molekula supply Homophthalic acid in bulk?

Yes, Molekula can supply Homophthalic acid in bulk quantities; please contact sales for pricing and availability.

What documentation comes with a Homophthalic acid order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation available upon request.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

Talk to a chemist
Documents Pricing
Request a quote
Tell us what you need and our sales team will come back with pricing and lead times.
Full name
Email
Product
Quantity
Note