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tert-Butyl (4-aminophenyl)carbamate

Also known as: 4-(tert-Butoxycarbonylamino)aniline, N-Boc-p-phenylenediamine, N-Boc-1,4-phenylenediamine, tert-Butyl 4-aminophenylcarbamate, (4-Aminophenyl)carbamic acid tert-butyl ester, N-(tert-Butoxycarbonyl)-1,4-phenylenediamine

tert-Butyl (4-aminophenyl)carbamate (CAS 71026-66-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H16N2O2 and a molecular weight of 208.257 g/mol. Key properties include a melting point of 113-115 °C, a boiling point of 295.4±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 132.5±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71026-66-9
Jingsj CID
J-1991386-1
Molecular Formula
C11H16N2O2
Molecular Weight
208.257 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point113-115 °C
Boiling Point295.4±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point132.5±22.6 °C
Exact Mass208.121185
PSA64.35000
LogP1.32
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.583

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction

Customs & Trade Information

HS Code2924299090
Summary2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of tert-Butyl (4-aminophenyl)carbamate?

The CAS number of tert-Butyl (4-aminophenyl)carbamate is 71026-66-9.

What are the molecular formula and molecular weight of tert-Butyl (4-aminophenyl)carbamate?

tert-Butyl (4-aminophenyl)carbamate has molecular formula C11H16N2O2 and molecular weight 208.257 g/mol.

Is tert-Butyl (4-aminophenyl)carbamate hazardous?

tert-Butyl (4-aminophenyl)carbamate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction.

What are the upstream and downstream products of tert-Butyl (4-aminophenyl)carbamate?

For tert-Butyl (4-aminophenyl)carbamate, Upstream Products: Di-tert-butyl dicarbonate, p-Phenylenediamine, tert-Butyl (4-nitrophenyl)carbamate; Downstream Products: N-(4-Aminophenyl)-2,2-dimethylpropanamide, 4-(N-Boc-amino)phenylboronic acid pinacol ester, Ethyl 4-aminocinnamate.

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 (4-aminophenyl)carbamate (CAS 71026-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991386-1 (accessed 2026-11-09).

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