Methylene Blue trihydrate
(35018936 | 7220-79-3)

CAS: 7220-79-3
Molecular Formula: C16H18CIN3S·3H2O
Molecular Weight: 477.36
Availablility: In Stock
Downloads: Product Specification
Methylene Blue trihydrate Chemical Structure

35018936-100g 100g £37.70
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35018936-100g 100g $67.86
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Certificate of Analysis

Product Detail
Product Code 35018936
Product Name Methylene Blue trihydrate
Categories Stains & Indicators
CAS 7220-79-3
Molecular Formula C16H18CIN3S·3H2O
Molecular Weight 477.36
Storage Details Ambient
Harmonised Tariff Code 32129000

Product Specification
Identification To conform to standard
Loss on Drying <22%
Solubility Clear blue solution
Copper ≤200ppm
Residue on Ignition <1.2%
Appearance Dark green crystalline powder
Assay (dry basis) 98 - 103%
Assay (as is basis) >82%

Safety Information
Exclamation Mark
Signal word warning
Hazard statements
  • H302: Harmful if swallowed
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 cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing