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Salicylaldehyde thiosemicarbazone

Also known as: 1-Salicylidenethiosemicarbazide, 2-(2-Hydroxybenzylidene)hydrazine-1-carbothioamide, 2-Hydroxybenzaldehyde thiosemicarbazone, o-Hydroxybenzaldehyde thiosemicarbazone, Hydrazinecarbothioamide, 2-[(2-hydroxyphenyl)methylene]-, 2-[(2-Hydroxyphenyl)methylene]hydrazinecarbothioamide, Salicylaldehyde monothiosemicarbazone, N'-Salicylidenemercaptoformamide hydrazone

Salicylaldehyde thiosemicarbazone (CAS 5351-90-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H9N3OS and a molecular weight of 195.24200 g/mol. Key properties include a melting point of >230ºC, a boiling point of 353.3ºC at 760 mmHg, a density of 1.467g/cm3 and a flash point of 167.5ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
5351-90-6
Jingsj CID
J-1519838-6
Molecular Formula
C8H9N3OS
Molecular Weight
195.24200 g/mol
Category
Organic Compounds
Last updated
11/3/2026

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Physicochemical Properties

Melting Point>230ºC
Boiling Point353.3ºC at 760 mmHg
Density1.467g/cm3
Flash Point167.5ºC
Exact Mass195.04700
PSA102.73000
LogP1.65050
Refractive Index1.781

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 Salicylaldehyde thiosemicarbazone?

The CAS number of Salicylaldehyde thiosemicarbazone is 5351-90-6.

What are the molecular formula and molecular weight of Salicylaldehyde thiosemicarbazone?

Salicylaldehyde thiosemicarbazone has molecular formula C8H9N3OS and molecular weight 195.24200 g/mol.

What are the upstream and downstream products of Salicylaldehyde thiosemicarbazone?

For Salicylaldehyde thiosemicarbazone, Downstream Products: Salicylaldehyde hydrazone, Salicylaldehyde azine.

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

Last updated:

How to cite: Jingsj. "Salicylaldehyde thiosemicarbazone (CAS 5351-90-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519838-6 (accessed 2026-11-09).

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