Spiro[indoline-3,4'-piperidine]

Also known as: 1,2-Dihydrospiro[3H-indole-3,4'-piperidine], 1,2-Dihydro-1'H-spiro[indole-3,4'-piperidine], Spiro[3H-indole-3,4'-piperidine], 1,2-dihydro-

Spiro[indoline-3,4'-piperidine] (CAS 171-75-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H16N2 and a molecular weight of 188.269 g/mol. Key properties include a boiling point of 345.3±42.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 217.0±19.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 171-75-5
Jingsj CID: J-1166760-0
Molecular Formula: C₁₂H₁₆N₂
Molecular Weight: 188.269 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	345.3±42.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	217.0±19.7 °C
Exact Mass	188.131348
PSA	24.06000
LogP	1.57
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.610

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 Spiro[indoline-3,4'-piperidine]?

The CAS number of Spiro[indoline-3,4'-piperidine] is 171-75-5.

What are the molecular formula and molecular weight of Spiro[indoline-3,4'-piperidine]?

Spiro[indoline-3,4'-piperidine] has molecular formula C12H16N2 and molecular weight 188.269 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Spiro[indoline-3,4'-piperidine] (CAS 171-75-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1166760-0 (accessed 2026-11-09).

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