Millipore Sigma Vibrant Logo

840130 4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl

4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (free radical) for synthesis. CAS 2226-96-2, pH 8.2 (20 g/l, H₂O, 20 °C).

MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: 4-Hydroxy-TEMPO

CAS #: 2226-96-2 EC Number: 218-760-9 Molar Mass: 172.25 g/mol Hill Formula: C₉H₁₉NO₂
View Products on Sigmaaldrich.com
840130
View Pricing & Availability

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
2226-96-2218-760-9C₉H₁₉NO₂172.25 g/mol

Pricing & Availability

Catalogue Number AvailabilityPackaging Qty/Pack Price Quantity
8.40130.0025
Retrieving availability...
—
Limited Availability Limited Availability
In Stock 
Discontinued
Limited Quantities Available
Availability to be confirmed
    Remaining : Will advise
      Remaining : Will advise
      Will advise
      Contact Customer Service
      Contact Customer Service

      		 Glass bottle 25 g
      Retrieving price...
      Price could not be retrieved
      Minimum Quantity is a multiple of
      Maximum Quantity is
      Upon Order Completion More Information
      You Saved ()
       
      —
      Request Pricing
      		 —
      8.40130.0100
      Retrieving availability...
      —
      Limited Availability Limited Availability
      In Stock 
      Discontinued
      Limited Quantities Available
      Availability to be confirmed
        Remaining : Will advise
          Remaining : Will advise
          Will advise
          Contact Customer Service
          Contact Customer Service

          		 Glass bottle 100 g
          Retrieving price...
          Price could not be retrieved
          Minimum Quantity is a multiple of
          Maximum Quantity is
          Upon Order Completion More Information
          You Saved ()
           
          —
          Request Pricing
          		 —
          8.40130.9999
          Retrieving availability...
          —
          Limited Availability Limited Availability
          In Stock 
          Discontinued
          Limited Quantities Available
          Availability to be confirmed
            Remaining : Will advise
              Remaining : Will advise
              Will advise
              Contact Customer Service
              Contact Customer Service

              		 0
              Retrieving price...
              Price could not be retrieved
              Minimum Quantity is a multiple of
              Maximum Quantity is
              Upon Order Completion More Information
              You Saved ()
               
              —
              Request Pricing
              		 —
              Description
              Catalogue Number840130
              Synonyms4-Hydroxy-TEMPO
              References
              Product Information
              CAS number2226-96-2
              EC number218-760-9
              Hill FormulaC₉H₁₉NO₂
              Molar Mass172.25 g/mol
              HS Code2933 39 99
              Structure formula ImageStructure formula Image
              Quality LevelMQ200
              Applications
              Application4-Hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl (free radical) for synthesis. CAS 2226-96-2, pH 8.2 (20 g/l, H₂O, 20 °C).
              Biological Information
              Physicochemical Information
              Density1.127 g/cm3 (20 °C)
              Flash point146 °C DIN 51758
              Ignition temperature260 °C DIN 51794
              Melting Point69 - 71 °C
              pH value8.2 (20 g/l, H₂O, 20 °C)
              Vapor pressure0.025 Pa (20 °C)
              Solubility1670 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 1053 mg/kg
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Statement(s)H302: Harmful if swallowed.
              H318: Causes serious eye damage.
              H373: May cause damage to organs through prolonged or repeated exposure if swallowed.
              Precautionary Statement(s)P260: Do not breathe dust.
              P264: Wash skin thoroughly after handling.
              P280: Wear eye protection/ face protection.
              P301 + P312: IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell.
              P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              P314: Get medical advice/ attention if you feel unwell.
              P501: Dispose of contents/ container to an approved waste disposal plant.
              Signal WordDanger
              Storage class10 - 13 Other liquids and solids
              WGKWGK 1 slightly hazardous to water
              Disposal3
              Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
              Safety Information
              Categories of dangerharmful, irritant
              Product Usage Statements
              Storage and Shipping Information
              StorageStore below +30°C.
              Packaging Information
              Transport Information
              Supplemental Information
              Specifications
              Assay (GC, area%)≥ 95.0 % (a/a)
              Melting range (lower value)≥ 67 °C
              Melting range (upper value)≤ 71 °C
              Identity (IR)passes test
              Global Trade Item Number
              Catalogue Number GTIN
              8.40130.0025 04022536625263
              8.40130.0100 04022536625270
              8.40130.9999 04027269000141

              Related Products & Applications

              Categories

              Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Amines and Ammonium Compounds > Aliphatic, Alicyclic and Araliphatic Amines and Hydroxyl Amines > Tertiary Amines and Nitroxides
              Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Amines and Ammonium Compounds > Aliphatic, Alicyclic and Araliphatic Amines and Hydroxyl Amines > Tertiary Amines and Nitroxides
              Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Products for Pharma > Organic Synthesis Building Blocks and Reagents for Pharma > Amines and Ammonium Compounds > Aliphatic, Alicyclic and Araliphatic Amines and Hydroxyl Amines > Tertiary Amines and Nitroxides