苯甲酸

Benzoic acid is an important precursor for the preparation of many other organic substances viz. benzoyl chloride, benylbenzoate, phenol, sodium benzoate, benzyl alcohol as well as benzoate plasticizers such as glycol-, diethhyleneglycol- and triethyleneglycol esters. Benzoic acid and its salts are used as food preservatives. It is involved in rubber polymerization as an activator and a retardant. It is the main component of benzoin resin and is a constituent of Whitfield?’s ointment, which is used for the treatment of fungal skin diseases such as tinea, ringworm and athlete?’s foot. It is widely used in cosmetics, dyes, plastics and insect repellents.

Incompatible with strong oxidizing agents, reducing agents and strong bases.

MFCD00002398

200-618-2

C₇H₆O₂

122.12

121-124°

249°

121°(250°F)

1.32

Ambient temperatures.

Crystalline

Soluble in acetone, benzene, chloroform, alcohol, diethyl ether, hexane and liquid ammonia. Slightly soluble in water.

636131

14,1091

22-37-41
Harmful if swallowed.Irritating to respiratory system.Risk of serious damage to eyes.

Maximum level of impurities: Freezing point 122?-123?, Residue after ignition 0.005%, Insoluble in methanol 0.005%, Chlorine compounds (as Cl) 0.005%, Sulfur compounds (as S) 0.002%, Heavy Metals (as Pb) 5ppm, Substances reducing permanganate P.T.

26-36/39-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and eye/face protection,This material and its container must be disposed of as hazardous waste

DG0875000

 

是

  

H302-H318-H335
Harmful if swallowed.Causes serious eye damage.May cause respiratory irritation.

P280f-P305+P351+P338
Wear protective clothing.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.