Neutral Red (C.I. 50040)
(75227571 | 553-24-2)

CAS: 553-24-2
Molecular Formula: C15H17ClN4
Molecular Weight: 288.78
Availablility: In Stock
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Neutral Red (C.I. 50040) Chemical Structure

75227571-25g 25g £46.70
75227571-100g 100g £171.00
Bulk Order
75227571-25g 25g €65.40
75227571-100g 100g €239.40
Bulk Order
75227571-25g 25g $70.10
75227571-100g 100g $256.50
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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 75227571
Product Name Neutral Red (C.I. 50040)
Categories Stains & Indicators
CAS 553-24-2
Molecular Formula C15H17ClN4
Molecular Weight 288.78
Storage Details 2 to 8 °C
Harmonised Tariff Code 3212900000

Product Specification
pH 6.8 (red) - 8.0 (yellow)
Residue on Ignition ≤2%
Appearance Very dark-green to blackish-brown powder
Ethanol dissolution test Pass
Sensitivity Test Pass

Safety Information
Pictograms
Exclamation Mark
Danger to Health
Signal word warning
Hazard statements
  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation

  • H341: Suspected of causing genetic defects
Precautionary statements
  • P260: Do not breathe dust/fume/gas/mist/vapours

  • P280: Wear: protective gloves/ clothing & eye protection

  • P304+340: IF INHALED: Remove victim to fresh air & keep at rest in a position comfortable for breathing

  • P305+351+338: IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

  • P333+313: IF skin irritation or a rash occurs: Get medical advice/attention

  • P337+313: If eye irritation persists get medical advice/attention

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