4-HYDRAZINO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE

4-HYDRAZINO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE - Names and Identifiers

Name	4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine
Synonyms	4-Hydrazino-5,6-dimethylthieno[2,3-d]pyrimidine 4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine 4-Hydrazinyl-5,6-diMethylthieno[2,3-d]pyriMidine (5,6-Dimethylthieno[2,3-d]pyrimidin-4-yl)hydrazine Thieno[2,3-d]pyrimidine, 4-hydrazinyl-5,6-dimethyl-
CAS	63894-54-2
InChI	InChI=1/C8H10N4S/c1-4-5(2)13-8-6(4)7(12-9)10-3-11-8/h3H,9H2,1-2H3,(H,10,11,12)

4-HYDRAZINO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE - Physico-chemical Properties

Molecular Formula	C8H10N4S
Molar Mass	194.26
Density	1.401g/cm³
Boling Point	425.4°C at 760 mmHg
Flash Point	211°C
Vapor Presure	1.93E-07mmHg at 25°C
Storage Condition	2-8°C
Refractive Index	1.755

4-HYDRAZINO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE - Risk and Safety

Risk Codes	20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
Safety Description	36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
HS Code	29335990

4-HYDRAZINO-5,6-DIMETHYLTHIENO[2,3-D]PYRIMIDINE - Introduction

4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine is an organic compound with the chemical formula C8H10N4S.

Its properties are as follows:
-Appearance: colorless crystal
-Melting point: 165-169°C

Use of the 4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine:
-It can be used as an intermediate for glyphosate (Glyphosate, a commonly used broad-spectrum herbicide).
-It can also be used as a nitrogen source in organic synthesis reactions.

Preparation of 4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine:
The compound can be synthesized by the following steps:
1. 3-bromo-4-methylthiophene and KCNS were reacted in acetonitrile to obtain 5,6-dimethylthieno [2,3-d] pyrimidine -4-carboxylic acid.
2. The above product was treated with hydrazine ethanol solution, and 4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine was obtained by acid-base neutralization reaction.

Regarding the safety information of 4-hydrazinyl-5,6-dimethylthieno[2,3-d]pyrimidine, there is currently no complete data for reference. However, since it is a chemical reagent, the following points should be noted when using it:
-Avoid direct contact with skin and eyes.
-Pay attention to good ventilation conditions during use.
-Take appropriate personal protective measures, such as wearing chemical safety gloves, goggles and laboratory coats.
-Follow relevant laboratory safety procedures during use, handling and storage.

Last Update：2024-04-10 22:29:15