TRIS (Tris(hydroxymethyl)aminomethane), ACS Grade
(90025403 | 77-86-1)

CAS: 77-86-1
Molecular Formula: NH2C(CH2OH)3
Molecular Weight: 121.14
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
TRIS (Tris(hydroxymethyl)aminomethane), ACS Grade Chemical Structure

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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 90025403
Product Name TRIS (Tris(hydroxymethyl)aminomethane), ACS Grade
Categories Biochemicals Buffers Diagnostic Raw Materials
CAS 77-86-1
Molecular Formula NH2C(CH2OH)3
Molecular Weight 121.14
Storage Details Ambient
Harmonised Tariff Code 2922190090

Product Specification
Assay/Purity 99.8%min
Melting Point 168°C to 172°C
Grade ACS Reagent
Heavy metals 5ppm max
pH (5%aqueous):10.0to11.5
Fe 1ppm max
Loss on Drying 0.5%min
Solubility Clear, colourless
Residue on Ignition 0.1%max
Appearance White crystalline powder
Water (Karl Fischer) <2%

Safety Information
Exclamation Mark
Signal word warning
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/

  • P280: Wear: protective gloves/ clothing & eye 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