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tert-Butyl formate

Also known as: Formic acid tert-butylester, t-Butyl Formate, tert-butyl methanoate, 1,1-dimethylethylformate, tert-Butyl formate (TBF), MFCD00003290, EINECS 212-105-0

tert-Butyl formate (CAS 762-75-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a boiling point of 82-83ºC(lit.), a density of 0.872 g/mL at 25ºC(lit.) and a flash point of -9.4 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
762-75-4
Jingsj CID
J-1354558-9
Molecular Formula
C5H10O2
Molecular Weight
102.13200 g/mol
Category
Organic Acids
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point82-83ºC(lit.)
Density0.872 g/mL at 25ºC(lit.)
Flash Point-9.4 °C
Exact Mass102.06800
PSA26.30000
LogP1.59380
Refractive Indexn20/D 1.379(lit.)

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of tert-Butyl formate?

The CAS number of tert-Butyl formate is 762-75-4.

What are the molecular formula and molecular weight of tert-Butyl formate?

tert-Butyl formate has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.

Is tert-Butyl formate hazardous?

tert-Butyl formate has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of tert-Butyl formate?

For tert-Butyl formate, Upstream Products: tert-butyl chloride, Carbon dioxide, Di-tert-butyl dicarbonate; Downstream Products: N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl ester, Z-L-aspartic acid di-tert-butyl ester, tert-butyl N-[(3S)-2-oxopyrrolidin-3-yl]carbamate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "tert-Butyl formate (CAS 762-75-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354558-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.