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1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid

Also known as: 1,4-Di-Boc-piperazine-2-carboxylic acid, 1,4-Bis(N-boc)piperazine-2-carboxylic acid, 1,4-Bis{[(1,1-dimethylethyl)oxy]carbonyl}-2-piperazinecarboxylic acid, 1,4-DI-BOC-PIPERAZINE-2-(+/-)-CARBOXYLIC ACID, 1-N-Boc-4-N-Boc-piperazine-2-carboxylic acid, N,N'-di-tert-butyloxycarbonylpiperazine-2-carboxylic acid, piperazine-1,2,4-tricarboxylic acid 1,4-di-tert-butyl ester, 1,4-bis-Boc-piperazine-2-carboxylic acid, 1,4-di-tert-butoxycarbonylpiperazine-2-(R)-carboxylic acid, (+/-)-1,4-bis{[(1,1-dimethylethyl)oxy]carbonyl}-piperazinecarboxylic acid

1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid (CAS 181955-79-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H26N2O6 and a molecular weight of 330.377 g/mol. Key properties include a melting point of 142-148°C, a boiling point of 443.9±40.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 222.3±27.3 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
181955-79-3
Jingsj CID
J-1116177-6
Molecular Formula
C15H26N2O6
Molecular Weight
330.377 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point142-148°C
Boiling Point443.9±40.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point222.3±27.3 °C
Exact Mass330.179077
PSA96.38000
LogP1.39
Vapor Pressure0.0±2.3 mmHg at 25°C
Refractive Index1.503
Storage Conditions2-8°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid?

The CAS number of 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid is 181955-79-3.

What are the molecular formula and molecular weight of 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid?

1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid has molecular formula C15H26N2O6 and molecular weight 330.377 g/mol.

Is 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid hazardous?

1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid?

For 1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid, Upstream Products: 2-Piperazinecarboxylic acid, Di-tert-butyl dicarbonate, Piperazine-2-carboxylic acid dihydrochloride; Downstream Products: Di-tert-butyl 2-(hydroxymethyl)piperazine-1,4-dicarboxylate, tert-Butyl 3-benzylpiperazine-1-carboxylate, tert-Butyl 3-oxotetrahydro-1H-oxazolo[3,4-a]pyrazine-7(3H)-carboxylate.

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

Last updated:

How to cite: Jingsj. "1,4-Bis(tert-butoxycarbonyl)piperazine-2-carboxylic acid (CAS 181955-79-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116177-6 (accessed 2026-11-09).

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