1-Ethylpyrazole Property

Melting point:

82.75°C (estimate)

Boiling point:

137°C(lit.)

Density 

0.9537

refractive index 

1.4670 to 1.4710

storage temp. 

Sealed in dry,Room Temperature

pka

2.27±0.10(Predicted)

form 

clear liquid to cloudy liquid

color 

Colorless to Light yellow

Safety

RIDADR 

UN 1993 3/PG III

HazardClass 

IRRITANT

PackingGroup 

III

HS Code 

2933998090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

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

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.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

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

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

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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

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

1-Ethylpyrazole Chemical Properties,Usage,Production

Synthesis Reference(s)

Synthetic Communications, 20, p. 2849, 1990 DOI: 10.1080/00397919008051498