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Molekula

Molekula

Chlorophenol Red

CAS 4430-20-0 C19H12Cl2O5S MW 423.2666 In stock
CoA by batch

Overview

A high-purity stains & indicators supplied by Molekula across research and bulk scale.

Specifications

Property Value
Appearance Crystalline powder or chunks
Loss on Drying max 7.00%
Assay min 93.00%
Specific absorption min 1550.0
Solubility at 0.1% (95% Ethanol) Clear solution
pH Transition - Colour Change pH 4.8 (Brownish Yellow) - pH 6.4 (Violet)
Wavelength of Maximum Absorption in 0.1N NaOH 573.0 - 579.0nm

Storage & handling

Property Value
Storage Temperature Ambient
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 4430-20-0
Molecular Formula C19H12Cl2O5S
Molecular Weight 423.2666
SMILES C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl
REACH Code Y113
TSCA Listed Yes
HTS Code 29349990
Tariff Code 2934999090

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
  • 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
  • P308+313 IF exposed or concerned: Get medical advice/attention

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

  • 5 g

    £35.72 · 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

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