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Naphthol AS-D-chloroacetate

CAS 35245-26-2 C20H16ClNO3 MW 353.80 Made to order

Naphthol AS-D-chloroacetate is a reactive dye intermediate used in the production of azo dyes and colorants for textiles and plastics. It is a crystalline solid with a molecular formula of C20H16ClNO3 and a molecular weight of 353.80 g/mol. It must be stored at temperatures between -15 and -20 °C. The substance is classified with a warning signal word due to potential hazards. Molekula supplies Naphthol AS-D-chloroacetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Naphthol AS-D-chloroacetate is a reactive dye intermediate used in the production of azo dyes and colorants for textiles and plastics. It is a crystalline solid with a molecular formula of C20H16ClNO3 and a molecular weight of 353.80 g/mol. It must be stored at temperatures between -15 and -20 °C. The substance is classified with a warning signal word due to potential hazards. Molekula supplies Naphthol AS-D-chloroacetate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance White needles
Purity ≥98.0% TLC
Storage Long term storage at -20 Deg C
Solution Test 5% solution in acetone is clear and colourless

Storage & handling

Property Value
Storage Temperature -15 to -20 °C
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 35245-26-2
Molecular Formula C20H16ClNO3
Molecular Weight 353.80
SMILES CC1=CC=CC=C1NC(=O)C2=CC3=CC=CC=C3C=C2OC(=O)CCl
REACH Code Y113
HTS Code 29242977
Tariff Code 2924297099

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
  • P302+352 IF ON SKIN: Wash with soap and water
  • 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

  • 1 g

    £112.63 · per pack

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 Naphthol AS-D-chloroacetate used for?

It is primarily used as a reactive dye intermediate in the production of azo dyes for textiles and other materials.

What is the chemical formula and molecular weight?

The formula is C20H16ClNO3 with a molecular weight of 353.80 g/mol.

How should Naphthol AS-D-chloroacetate be stored?

It must be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.

What grade is available?

Available in technical grade; specific purity details can be provided upon request.

Can Molekula supply it in bulk?

Yes, bulk quantities are available—please contact our sales team for pricing and availability.

What documentation comes with the order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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