GB -
CAS No. No. 100-21-0
Molecular Formula C₈H₆O k4; HOOCC₆H₄COOH
molecular 166.13

white crystals or powder; flash point> ; 110 ° C; the temperature> 300 ° C; solubility : not soluble in water, soluble in carbon tetrachloride, ether, acid, ethanol-soluble and insoluble carbon liquid; density : relative density (water = 1) 1.51; Stability : stability; dangerous labeling ; the main purposes : for the manufacture of synthetic resins, acid fibroblasts and plasticizers such

2. The impact on the environment
a health hazard

pathways : inhaled, ingested, percutaneous absorption.
health hazards : the eyes, skin, mucous membrane and upper respiratory tract is exciting role, and no occupational poisoning reported.

two, toxicology information and environmental behavior

toxicity : is low toxicity category.
acute toxicity : LD₅₀1670mg/kg (mice); 3200mg/kg (rat oral); 3550mg/kg (mice) are
hazardous characteristics : high fever case, fire or contact with oxidants, cause a fire danger.
combustion (decomposition) products : carbon monoxide, carbon dioxide.

3. Scene emergency monitoring methods

4. Laboratory monitoring methods
UV spectrophotometry, "the air of harmful substances Determination" (second edition) Hang Shi-ping editor

5. Environmental standards in the former Soviet Union workshop
harmful substances in the air that the maximum allowable concentration 0.1mg/m3
the former Soviet Union (1975) Harmful Substances in Water maximum allowable concentration 0.1mg/L

6. Emergency treatment and disposal methods
a leakage contingency

cut off the fire source. Wearing gas masks and gloves. Open to collect and transport the Department burned. If large spills, recycling or collection of sound waste treatment.

two protective measures

respiratory protection : higher concentration in air, wearing gas masks.
eye protection : to use safety masks.
protective clothing : wearing overalls.
hand protection : if necessary, wearing anti-chemical gloves.
other : work, take a bath. Pay attention to personal hygiene.

three, and emergency measures

contact with the skin : the pollution off clothing, mobile water rinse.
eye contact : immediately open from top to bottom eyelid, mobile water rinse for 15 minutes. Medical treatment.
INHALED : from the scene to fresh air. Medical treatment. Fresh into
: wrongly were found to blues or egg white and medical treatment.

fire fighting methods : water mist, foam, carbon dioxide, dry, sandy soil.