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tert-Butyl formate

CAS 762-75-4HCOOC(CH3)3Chemical Synthesis

Tert-Butyl formate (CAS: 762-75-4) is an organic compound with the linear formula HCOOC(CH3)3 and a molecular weight of 102.13 g/mol. This flammable ester, recognised for its characteristic odour, serves as a valuable building block and intermediate in chemical synthesis. It is commonly employed in organic chemistry laboratories for various reactions and is a useful reagent for introducing the tert-butoxycarbonyl (Boc) protecting group.

IUPAC
Formic acid tert-butylester
Synonyms
Formic acid tert-butylestertert-Butyl methanoate
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tert-Butyl formate (HCOOC(CH3)3) — chemical structure, CAS 762-75-4; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksC2 to C5Carbonyl CompoundsChemical SynthesisEsters
01 /Applications

Organic Synthesis Reagent

Tert-Butyl formate is widely used in organic synthesis as a reagent for introducing the tert-butoxycarbonyl (Boc) protecting group onto amines. This protection strategy is fundamental in peptide synthesis and the preparation of complex organic molecules.

Building Block for Fine Chemicals

As a versatile C2 to C5 ester, tert-butyl formate functions as a key building block in the synthesis of various fine chemicals and pharmaceutical intermediates. Its reactivity allows for diverse transformations in multi-step synthetic routes.

Laboratory Research

In academic and industrial research laboratories, tert-butyl formate is utilized for its properties as a carbonyl compound and ester. It facilitates the development of new synthetic methodologies and the exploration of novel chemical entities.

02 /Properties
Molecular weight102.13
Linear formulaHCOOC(CH3)3
Assay≥98.5% (GC)
Boiling point82-83 °C(lit.)
Density0.872 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.379(lit.)n20/D 1.380
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point-9 °C / 15.8 °F
Transport (UN / ADR)UN 3272 3 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,Xi
Risk statements (R)11-36/37
Safety statements (S)9-16-24-33

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
762-75-4
MDL number
MFCD00003290
PubChem substance
24856398
Beilstein registry
1738871
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is tert-Butyl formate used for?

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Tert-Butyl formate is primarily used as a reagent in organic synthesis for introducing the tert-butoxycarbonyl (Boc) protecting group, acting as a building block for fine chemicals and in laboratory research.

What is the CAS number and formula for tert-Butyl formate?

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The CAS number for tert-Butyl formate is 762-75-4, and its linear formula is HCOOC(CH3)3.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies tert-Butyl formate with a purity of ≥98.5% (GC). This is a technical grade suitable for research and synthesis; TSS does not represent it as USP, BP, or EP grade.

How should tert-Butyl formate be handled safely?

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Tert-Butyl formate is a highly flammable liquid and vapour (H225) and can cause serious eye irritation (H319) and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and use in a well-ventilated area away from ignition sources.

How is tert-Butyl formate packed and exported?

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Tert-Butyl formate is shipped internationally by Tech Serve Solutions in compliance with transport regulations (UN 3272, Class 3, PGII), ensuring safe handling and export.

How can I request a sample or quote for tert-Butyl formate?

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To request a sample or obtain a quote for tert-Butyl formate, please contact our sales department via the website or direct phone line.

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