Millipore Sigma Vibrant Logo

800885 Trimethyl orthoformate

Trimethyl orthoformate for synthesis. CAS 149-73-5, EC Number 205-745-7, chemical formula CH(OCH₃)₃.

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

Synonyms: Methyl orthoformate, Orthoformic acid trimethyl ester

CAS #: 149-73-5 EC Number: 205-745-7 Molar Mass: 106.12 g/mol Chemical Formula: CH(OCH₃)₃ Hill Formula: C₄H₁₀O₃
View Products on Sigmaaldrich.com
800885
View Pricing & Availability

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar Mass
149-73-5205-745-7C₄H₁₀O₃CH(OCH₃)₃106.12 g/mol

Pricing & Availability

Catalogue Number AvailabilityPackaging Qty/Pack Price Quantity
8008850250
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 250 ml
      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
      		 —
      8008851000
      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 1 l
          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 Number800885
          SynonymsMethyl orthoformate, Orthoformic acid trimethyl ester
          DescriptionTrimethyl orthoformate
          References
          Product Information
          CAS number149-73-5
          EC number205-745-7
          Hill FormulaC₄H₁₀O₃
          Chemical formulaCH(OCH₃)₃
          Molar Mass106.12 g/mol
          HS Code2915 90 90
          Structure formula ImageStructure formula Image
          Quality LevelMQ200
          Applications
          ApplicationTrimethyl orthoformate for synthesis. CAS 149-73-5, EC Number 205-745-7, chemical formula CH(OCH₃)₃.
          Biological Information
          Physicochemical Information
          Boiling point102 °C (1013 hPa)
          Density0.96 g/cm3 (20 °C)
          Explosion limit1.4 - 44.6 %(V)
          Flash point13 °C
          Ignition temperature255 °C
          Melting Point-53 °C
          Vapor pressure10 hPa (7 °C)
          Solubility10 g/l Hydrolysis
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 3130 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Statement(s)H225: Highly flammable liquid and vapour.
          H319: Causes serious eye irritation.
          H335: May cause respiratory irritation.
          Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
          P233: Keep container tightly closed.
          P240: Ground and bond container and receiving equipment.
          P241: Use explosion-proof electrical/ ventilating/ lighting equipment.
          P242: Use non-sparking tools.
          P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
          P403 + P235: Store in a well-ventilated place. Keep cool.
          Signal WordDanger
          Storage class3 Flammable liquids
          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 dangerhighly flammable, irritant
          Product Usage Statements
          Storage and Shipping Information
          StorageStore below +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 3272 , 3, II
          Declaration (transport by air) IATA-DGRUN 3272 , 3, II
          Declaration (transport by sea) IMDG-CodeUN 3272 , 3, II
          Supplemental Information
          Specifications
          Assay (GC, area%)≥ 98.0 % (a/a)
          Density (d 20 °C/ 4 °C)0.968 - 0.970
          Identity (IR)passes test
          Global Trade Item Number
          Catalogue Number GTIN
          8008850250 04022536363684
          8008851000 04022536363691

          Documentation

          Trimethyl orthoformate SDS

          Title

          Safety Data Sheet (SDS) 

          Trimethyl orthoformate Certificates of Analysis

          Product Number PackagingLot Number
          8008850250 Glass bottle
          8008851000 Glass bottle

          Related Products & Applications

          Categories

          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Carboxylic Acid Derivatives > Orthocarboxylic Acid Esters
          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Products for Pharma > Organic Synthesis Building Blocks and Reagents for Pharma > Carboxylic Acid Derivatives > Orthocarboxylic Acid Esters
          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Coupling Reagents and Additives
          Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Protecting Groups
          Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Protecting Groups
          Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Carboxylic Acid Derivatives > Orthocarboxylic Acid Esters
          Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Coupling Reagents and Additives