1,3-Bis(4-methoxyphenyl)thiourea

1,3-双(4-甲氧基苯基)硫脲

Also known as: N,N'-Bis(4-methoxyphenyl)thiourea, Thiourea, N,N'-bis(4-methoxyphenyl)-, 4,4'-Dimethoxythiocarbanilide, 1,3-Bis(p-methoxyphenyl)thiourea, NSC 164990

1,3-Bis(4-methoxyphenyl)thiourea (CAS 1227-45-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H16N2O2S and a molecular weight of 288.36500 g/mol. It is also known as N,N'-Bis(4-methoxyphenyl)thiourea, Thiourea, N,N'-bis(4-methoxyphenyl)- and 4,4'-Dimethoxythiocarbanilide. Key properties include a melting point of 188 °C, a boiling point of 421.9ºC at 760mmHg, a density of 1.277g/cm3 and a flash point of 209ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1227-45-8
Jingsj CID
J-1500640-6
Molecular Formula
C15H16N2O2S
Chinese Name
1,3-双(4-甲氧基苯基)硫脲
Molecular Weight
288.36500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point188 °C
Boiling Point421.9ºC at 760mmHg
Density1.277g/cm3
Flash Point209ºC
Exact Mass288.09300
PSA74.61000
LogP3.65870
Vapor Pressure2.51E-07mmHg at 25°C
Refractive Index1.683

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. 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 1,3-Bis(4-methoxyphenyl)thiourea?

The CAS number of 1,3-Bis(4-methoxyphenyl)thiourea is 1227-45-8.

What are the molecular formula and molecular weight of 1,3-Bis(4-methoxyphenyl)thiourea?

1,3-Bis(4-methoxyphenyl)thiourea has molecular formula C15H16N2O2S and molecular weight 288.36500 g/mol.

What are the upstream and downstream products of 1,3-Bis(4-methoxyphenyl)thiourea?

For 1,3-Bis(4-methoxyphenyl)thiourea, Upstream Products: Carbon disulphide, p-Anisidine, 4-Methoxyphenyl isothiocyanate; Downstream Products: 5-Methoxyisatin, p-Anisidine, 4-Methoxy-N-methylaniline.

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

Last updated:

How to cite: Jingsj. "1,3-Bis(4-methoxyphenyl)thiourea (CAS 1227-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500640-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.