应用
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.

Grade Specifications
Maximum level of impurities: Residue after ignition 0.005%, Cl 0.001%, SO₄ 0.005%, Heavy Metals (as Pb) 5 ppm, Fe 0.001%

备注
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.

基本信息

MDL
MFCD00002192

EINECS
201-762-9

分子式
C₆H₆O₃

分子量
126.11

熔点
131-135°

沸点
309°

密度
1.45

灵敏度
Light Sensitive. Air Sensitive. Ambient temperatures.

形态
Powder

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

Beilstein
907431

Merck
14,8000

GHS危害和防范说明

GHS符号

Hazard Statements
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.

Precautionary Statements
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.

安全信息

危险等级
6.1

包装组
III

危险类别
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.

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

欧盟危险品标志

RTECS
UX2800000

TSCA
是