2-Thiophenecarboxylic acid hydrazide, ≥98%

About 2-Thiophenecarboxylic acid hydrazide, ≥98%

2-Thiophenecarboxylic acid hydrazide is a sulfur heterocycle carrying the CAS registry number 2361-27-5 at a purity of ≥98%. Its molecular formula is C5H6N2OS and its molecular weight is 142.18 g/mol. Its systematic (IUPAC) name is thiophene-2-carbohydrazide. Alternative names: Thiophene-2-carboxylic acid hydrazide and 2-Thiophenecarboxylic acid, hydrazide.

It is supplied as a white to light yellow powder. Literature values give a melting point of 136-139 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is commonly used for organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 2-Thiophenecarboxylic acid hydrazide in 1 g, 5 g, 25 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Thiophenecarboxylic acid hydrazide, ≥98%
Catalogue No.	VQ-012311
CAS Number	2361-27-5
IUPAC name	thiophene-2-carbohydrazide
Molecular formula	C₅H₆N₂OS
Molecular weight	142.18 g/mol
Exact mass	142.0201
Purity / assay	≥98%
HSN code	29349900
InChIKey	SOGBOGBTIKMGFS-UHFFFAOYSA-N
SMILES	C1=CSC(=C1)C(=O)NN
PubChem CID	73098

Physical properties
Physical form	Powder
Appearance	White to light yellow powder
Melting point	136-139 °C
LogP (XLogP3)	0.6
H-bond donors / acceptors	2 / 3
TPSA	83.4 Å²
Synonyms	Thiophene-2-carboxylic acid hydrazide, 2-Thiophenecarboxylic acid, hydrazide, 2-Thenoylhydrazine, 2-Thiophenecarbohydrazide, Thiophene-2-carboxylic hydrazide, 2-Thiophenecarboxylic hydrazide, 2-Thiophenecarbohydrazonic acid, 2-Thiophenecarboxylicacidhydrazide, 2-Thienylcarboxylic acid hydrazide, 2-Thenoic hydrazide, 2-thiophene carboxylic acid hydrazide, 2thiophenecarboxylic hydrazide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 2-Thiophenecarboxylic acid hydrazide, ≥98%?

The CAS Registry Number of 2-Thiophenecarboxylic acid hydrazide, ≥98% is 2361-27-5. It is also known as Thiophene-2-carboxylic acid hydrazide, 2-Thiophenecarboxylic acid, hydrazide, 2-Thenoylhydrazine.

What is the molecular formula and molecular weight of 2-Thiophenecarboxylic acid hydrazide, ≥98%?

2-Thiophenecarboxylic acid hydrazide, ≥98% has the molecular formula C5H6N2OS and a molecular weight of 142.18 g/mol. Its IUPAC name is thiophene-2-carbohydrazide.

Which grade and pack sizes of 2-Thiophenecarboxylic acid hydrazide, ≥98% can I order?

We supply 2-Thiophenecarboxylic acid hydrazide, ≥98% in (≥98%) grade, in 1 g, 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Thiophenecarboxylic acid hydrazide, ≥98%?

Yes. Every lot of 2-Thiophenecarboxylic acid hydrazide, ≥98% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 2-Thiophenecarboxylic acid hydrazide, ≥98% be shipped internationally?

Yes. 2-Thiophenecarboxylic acid hydrazide, ≥98% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.