Bis(4-diethylaminophenyl)methanol

Also known as: 4,4'-Bis(diethylamino)benzhydrol, bis[4-(diethylamino)phenyl]methanol, 4,4'-Bis(diethylamino)benzhydryl alcohol, B-DAM, Ethylhydrol, 4,4'-Bis(diaethylamino)benzhydrol, Tetraaethyl-4.4'-diamino-benzhydrol, Bis[p-(diethylamino)phenyl]methanol, Bisdiethylaminophenylmethanol, EINECS 205-162-8, MFCD00035979

Bis(4-diethylaminophenyl)methanol (CAS 134-91-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H30N2O and a molecular weight of 326.47600 g/mol. Key properties include a melting point of 82ºC, a boiling point of 492ºC at 760 mmHg, a density of 1.056 g/cm3 and a flash point of 239.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 134-91-8
Jingsj CID: J-8614-9
Molecular Formula: C₂₁H₃₀N₂O
Molecular Weight: 326.47600 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	82ºC
Boiling Point	492ºC at 760 mmHg
Density	1.056 g/cm3
Flash Point	239.5ºC
Exact Mass	326.23600
PSA	26.71000
LogP	4.46070
Vapor Pressure	1.7E-10mmHg at 25°C
Refractive Index	1.589
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2922199090
Summary	2922199090. other amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; 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 Bis(4-diethylaminophenyl)methanol?

The CAS number of Bis(4-diethylaminophenyl)methanol is 134-91-8.

What are the molecular formula and molecular weight of Bis(4-diethylaminophenyl)methanol?

Bis(4-diethylaminophenyl)methanol has molecular formula C21H30N2O and molecular weight 326.47600 g/mol.

What are the upstream and downstream products of Bis(4-diethylaminophenyl)methanol?

For Bis(4-diethylaminophenyl)methanol, Upstream Products: 4,4'-Bis(diethylamino)benzophenone, 4,4'-Methylenebis(N,N-diethylaniline), acetic acid.

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. "Bis(4-diethylaminophenyl)methanol (CAS 134-91-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8614-9 (accessed 2026-11-06).

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