1,2,3-BENZOTHIADIAZOLE Property

Melting point:

295 °C (decomp)

Boiling point:

220.5±23.0 °C(Predicted)

Density 

1.368±0.06 g/cm3(Predicted)

storage temp. 

Sealed in dry,Room Temperature

pka

-2.83±0.50(Predicted)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H225Highly Flammable liquid and vapour

H260In contact with water releases flammable gases which may ignite spontaneously

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

H335May cause respiratory irritation

H351Suspected of causing cancer

H371May cause damage to organs

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P223Keep away from any possible contact with water, because of violent reaction and possible flash fire.

P231+P232Handle under inert gas. Protect from moisture.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P242Use only non-sparking tools.

P243Take precautionary measures against static discharge.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P335+P334Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.

P363Wash contaminated clothing before reuse.

P370+P378In case of fire: Use … for extinction.

P402+P404Store in a dry place. Store in a closed container.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P403+P235Store in a well-ventilated place. Keep cool.

P405Store locked up.

1,2,3-BENZOTHIADIAZOLE Chemical Properties,Usage,Production

Purification Methods

1,2,3-Benzothiadiazole crystallises from pet ether, and has at 264 and 306nm in hexane. [Overberger et al. J Org max Soc 24 1407 1959, Beilstein 27 III/IV 7113.]