Hexahydro-1,3,5-triphenyl-1,3,5-triazine

Also known as: 1,3,5-Triphenylhexahydro-1,3,5-triazine, 1,3,5-Triphenylhexahydro-s-triazine, 1,3,5-Triphenyl-1,3,5-triazinane, 1,3,5-Triphenyl-1,3,5-triazacyclohexane, 1,3,5-Triazine, hexahydro-1,3,5-triphenyl-, s-Triazine, hexahydro-1,3,5-triphenyl-, Anhydroformaldehyde aniline, Formanil trimer, Methyleneaniline trimer, NSC 9419

Hexahydro-1,3,5-triphenyl-1,3,5-triazine (CAS 91-78-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H21N3 and a molecular weight of 315.41200 g/mol. Key properties include a melting point of 190-192°C, a boiling point of 424.2ºC at 760 mmHg and a flash point of 178.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 91-78-1
Jingsj CID: J-1087823-6
Molecular Formula: C₂₁H₂₁N₃
Molecular Weight: 315.41200 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	190-192°C
Boiling Point	424.2ºC at 760 mmHg
Flash Point	178.6ºC
Exact Mass	315.17400
PSA	9.72000
LogP	4.58730
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933699090
Summary	2933699090 other compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Hexahydro-1,3,5-triphenyl-1,3,5-triazine?

The CAS number of Hexahydro-1,3,5-triphenyl-1,3,5-triazine is 91-78-1.

What are the molecular formula and molecular weight of Hexahydro-1,3,5-triphenyl-1,3,5-triazine?

Hexahydro-1,3,5-triphenyl-1,3,5-triazine has molecular formula C21H21N3 and molecular weight 315.41200 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. "Hexahydro-1,3,5-triphenyl-1,3,5-triazine (CAS 91-78-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087823-6 (accessed 2026-11-09).

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