Perchloric acid Property

Melting point:

-18 °C

Boiling point:

19°C at 11 mm

Density 

1.768 at 22°C

vapor density 

3.5 (vs air)

vapor pressure 

9 hPa at 20 °C

form 

Liquid

color 

Colorless, fuming, unstable, mobile liquid

Odor

Odorless

Water Solubility 

Infinitely soluble

Safety

Risk Statements 

R5-8-35

Safety Statements 

S23-26-36-45

PackingGroup 

I

Toxicity

LD50 orl-rat: 1100 mg/kg GTPZAB17(8),33,73

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H271May cause fire or explosion; strong oxidiser

H290May be corrosive to metals

H302Harmful if swallowed

H314Causes severe skin burns and eye damage

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

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

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

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

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

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

P371+P380+P375in case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.

Perchloric acid Chemical Properties,Usage,Production

Safety Profile

Poison by ingestion and subcutaneous routes. A severe irritant to the eyes, skin, and mucous membranes. A powerful oxidizer. A severe explosion hazard; the anhydrous form can explode spontaneously. Potentially explosive reaction with acetic anhydride + ac