焦棓酸

Pyrogallol is used in hair dying and suturing materials dying. It is used as a developing agent in black and white developers, as a metal-complexing agent and is involved in oxygen absorption in gas analysis. It exhibits antiseptic properties. Its alkaline solution is used to absorb oxygen from air, thereby it plays a vital role to calculate the amount of oxygen in air.

Air and light sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, alkalis, metal oxides, ammonia, iodine, lime water, potassium permanganate and strong bases.

MFCD00002192

201-762-9

C₆H₆O₃

126.11

131-135°

309°

1.45

Air Sensitive. Light Sensitive. Ambient temperatures.

Crystalline powder

Soluble in ethanol, water and ether. Slightly soluble in chloroform.

907431

14,8000

III

20/21/22-68-52/53
Harmful by inhalation, in contact with skin and if swallowed.Possible risk of irreversible effects.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

6.1

36/37-61
Wear suitable protective clothing and gloves.Avoid release to the environment. Refer to special instructions/safety data sheets.

UX2800000

 

是

  

H302-H312-H332-H341-H412
Harmful if swallowed.Harmful in contact with skin.Harmful if inhaled.Suspected of causing genetic defects.Harmful to aquatic life with long lasting effects.

P201-P261-P280-P304+P340-P405-P501a
Obtain special instructions before use.Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves/protective clothing/eye protection/face protection.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.