4-Morpholinophenyl isothiocyanate

Also known as: 4-(4-Isothiocyanatophenyl)morpholine, 4-(Morpholin-4-yl)phenyl isothiocyanate, 4-Morpholinylphenyl isothiocyanate, Morpholin-4-ylphenyl isothiocyanate, Morpholine, 4-(4-isothiocyanatophenyl)-, NSC 13703

4-Morpholinophenyl isothiocyanate (CAS 51317-66-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2OS and a molecular weight of 220.291 g/mol. Key properties include a melting point of 84ºC, a boiling point of 394.4±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 192.3±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51317-66-9
Jingsj CID: J-1067972-8
Molecular Formula: C₁₁H₁₂N₂OS
Molecular Weight: 220.291 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	84ºC
Boiling Point	394.4±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	192.3±26.5 °C
Exact Mass	220.067032
PSA	56.92000
LogP	2.99
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.614

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 4-Morpholinophenyl isothiocyanate?

The CAS number of 4-Morpholinophenyl isothiocyanate is 51317-66-9.

What are the molecular formula and molecular weight of 4-Morpholinophenyl isothiocyanate?

4-Morpholinophenyl isothiocyanate has molecular formula C11H12N2OS and molecular weight 220.291 g/mol.

What are the upstream and downstream products of 4-Morpholinophenyl isothiocyanate?

For 4-Morpholinophenyl isothiocyanate, Upstream Products: 4-Morpholinoaniline, Thiophosgene; Downstream Products: 1-allyl-3-(4-morpholinophenyl)thiourea.

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. "4-Morpholinophenyl isothiocyanate (CAS 51317-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1067972-8 (accessed 2026-11-09).

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