White Powder 2-Amino-5-mercapto-1,3,4-thiadiazole CAS 2349-67-9

The substance corresponding to CAS 2349-67-9 is 2-Amino-5-mercapto-1,3,4-thiadiazole. Other names include 5-Amino-1,3,4-thiadiazole-2-thiol, 5-amino-1,3,4-thialiazoline-2(3H)-thione, etc. The molecular formula is C₂H₃N₃S₂, and the molecular weight is 133.19.

{{0}}Amino-5-mercapto-1,3,4-thiadiazole is a white or light-yellow to cream-colored powder. The melting point is 233-235 degree (with decomposition). The boiling point is 242.3 degree at 760 mmHg, the flash point is 100.3 degree , the density is 2.04 g/cm³, the vapor pressure is 0.0342 mmHg at 25 degree , the refractive index is 1.99, and it is insoluble in water.

Pharmaceutical field: 2-Amino-5-mercapto-1,3,4-thiadiazole is an important intermediate for the synthesis of acetazolamide diuretics. It can also be used to synthesize a variety of other pharmaceutical products, playing a key role in pharmaceutical research and development and production, and providing a basis for the development of therapeutic drugs for some diseases.

Other fields: It is an intermediate of the fungicide thiodiazole copper , which is of great significance for the prevention and control of some plant diseases in agricultural planting. It may also play a role in the synthesis of some fine-chemical products, such as being used to synthesize certain organic materials with special properties.

Xi - Irritant
Xn - Hazardous

R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed.
R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.

S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S36/37 - Wear suitable protective clothing and gloves.
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