CAS:2361-27-5 | Thiophene-2-carbohydrazide

Products Description

The substance with CAS number 2361 - 27 - 5 is Thiophene-2-carbohydrazide. Its molecular formula is C₅H₆N₂OS, with a molecular weight of 142.18. Its EC number is 219 - 107 - 0, and the MDL number is MFCD00005435.

In terms of physical and chemical properties, Thiophene-2-carbohydrazide is a light beige crystalline powder with white color. Its melting point ranges from 136 to 139°C, and it boils at 260°C under the pressure of 760 mmHg. The density is approximately 1.3 ± 0.1 g/cm³, the refractive index is 1.615, and the flash point is 117.8°C. Moreover, its PSA value is 83.36000 and the LogP value is - 0.15.

Basic Info

Safety Information

GHS classification: Skin irritation (category 2), eye irritation (category 2A), specific target organ systemic toxicity (single exposure) (category 3).
Hazard statement: H315 causes skin irritation, H319 causes serious eye irritation, and H335 may cause respiratory irritation.
Precautions: P261 Avoid inhalation of dust/fume/gas/mist/vapor/spray, P264 Clean skin thoroughly after handling, P271 Only use outdoors or in a well-ventilated place, P280 Wear protective gloves/eye protection/face protection, etc.
Storage conditions: Keep the container sealed and put it in a tight storage container in a cool and dry place to avoid contact with oxidizing agents. It can be stored at 2-8°C.

Uses

In the field of organic synthesis, Thiophene-2-carbohydrazide plays an important role as an intermediate. For instance, it can react with benzaldehyde compounds to synthesize corresponding acylhydrazone derivatives, among which (E)-N′-(benzo(d)(1,3)dioxolane-5-ylmethyl)thiophene-2-carbohydrazide is a typical one. Additionally, it participates in the Paal-Knorr pyrrole ring condensation reaction and is used to construct compounds containing heterocyclic rings such as thiophene and pyrrole, which are of great significance in related fields.

Company Profile

Gneechem, located in Henan Province, China, is part of the GNEE Group, with 22 years of experience in foreign trade, specializing in providing high-quality chemical raw materials and professional trading services to customers around the world. We supply basic chemical raw materials, fine chemicals and specialty chemicals for a wide range of industries.We are ISO9001 certified and have been recognized by a number of authoritative qualifications at home and abroad, making us a trusted partner of our customers.

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