2011年4月15日星期五

Benzoic Acid

Benzoic acid
Details:
Benzoic acid
Molecular formula: C6H5COOH
CAS NO: 65-85-0
Molecular Formula: C6H5COOH
Molecular Weight: 122
Character: It is white, silkete squama or acercse crystal. It has aslightle smell of benzoin of benzaldehyde. It sublimates at about 100° C, relative density is 1.316, boiliy point is 249.2° C, melting point is
121.7° C-123° C. It is difficult to dissolve water(0.34g/100ml, 25° C), It can dissolve boiling water(4.55g/100ml, 90° C)ethand, chloroform and ether, fixed oil and naphtha.

Use: Dye intermediate. It is used in food and medical antiseptic, antimicrobialsant, plasticizer and
Organically synthetic stuff.
The project
The index
Industry grade
The content of benzoic acid ( %)
≥ 98.0
The point(¡ æ )
121-123
Dissolve the form
/
Exchange oxides
/
Exchange the carbide
/
The chemical compound of
chlorine (C1-%)
≤ 0.1
Burn and burn the residue(%)
≤ 0
Heavy metal(Pb, %)
/
Arsenic(%)
/
Two formic acid of benzene(%)
≤ 0.5
Moisture content is qualified(%)
≤ 0.5

  Resource:

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