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Molekula

Isophthaloyl dichloride

CAS 99-63-8 C6H4(COCl)2 MW 203.02 In stock

Isophthaloyl dichloride is a reactive organic compound used in the synthesis of polyamides, polyesters, and other high-performance polymers. It serves as a key intermediate in the production of specialty resins and engineering plastics. Available with a CAS number of 99-63-8, molecular formula C6H4(COCl)2, and molecular weight 203.02 g/mol, it is stored at ambient temperature. This product carries a signal word of Danger due to its corrosive and hazardous nature. Molekula supplies Isophthaloyl dichloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Isophthaloyl dichloride is a reactive organic compound used in the synthesis of polyamides, polyesters, and other high-performance polymers. It serves as a key intermediate in the production of specialty resins and engineering plastics. Available with a CAS number of 99-63-8, molecular formula C6H4(COCl)2, and molecular weight 203.02 g/mol, it is stored at ambient temperature. This product carries a signal word of Danger due to its corrosive and hazardous nature. Molekula supplies Isophthaloyl dichloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Off-white crystals
Melting Point 43 - 46°C
Purity ≥ 99%

Storage & handling

Property Value
Storage Temperature Ambient
Transport Class 8 (6.1)
Packing Group I
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 99-63-8
Molecular Formula C6H4(COCl)2
Molecular Weight 203.02
SMILES C1=CC(=CC(=C1)C(=O)Cl)C(=O)Cl
EC / UN Number 2923
REACH Code Y110
TSCA Listed Yes
HTS Code 29173920
Tariff Code 2917392000

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • EUH014 Reacts violently with water
  • EUH029 Contact with water liberates toxic gas
  • H290 May be corrosive to metals
  • H312 Harmful in contact with skin
  • H314 (sub cat. 1A) Causes severe skin burns and eye damage
  • H331 Toxic if inhaled

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P310 Immediately call a POISON CENTER or doctor/physician

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 isophthaloyl dichloride used for?

It is primarily used as a building block in the synthesis of polyamides, polyesters, and other specialty polymers for high-performance materials.

What is the chemical formula and molecular weight of isophthaloyl dichloride?

The formula is C6H4(COCl)2 and the molecular weight is 203.02 g/mol.

How should isophthaloyl dichloride be stored?

It should be stored at ambient temperature in a dry, well-ventilated area, away from moisture and incompatible substances.

What grade of isophthaloyl dichloride does Molekula supply?

Molekula supplies isophthaloyl dichloride in technical grade; custom grades are available upon request.

Can Molekula supply isophthaloyl dichloride in bulk?

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

What documentation comes with an order of isophthaloyl dichloride?

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

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