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Benzoic acid C7H6O2 | CAS#:65-85-0
 
Molecular formula  C7H6O2
  122.13
Properties white scaly or needle-like crystal ,  with slight odor of  benzoin   or benzaldehyde, sublimation  in 100?? , Relative density 1.316,Boiling point 249.2?? , Melting point 121.7?? ,
Uses  preservative, antimicrobial agent of food and medicine ; plasticizer and material
Dosage  Bread &  cake  0.25-0.5%;  chocolate product 0.2-0.4%;  jelly confectionery  jam 1% max ;  candy ,  cheese 0.1-0.3%;  soy 0.1-0.25%.
Limit  
Packing  Internal packing is PE film bag, ,  the external packing is PP woven bag, net wt 25KG
Quality standard
Index name
Industrial grade Q/TALH
Food grade GB1902-94
Pharmaceutical grade BP98
Assay(dry)
98%
99.5%
99.0-100.5%
Melting point
121 -124℃
121 -123℃
121 -124℃
Readily oxidizable substance
/
passed
passed
Readily carbonizable substance
/
passed
passed
Chloride
/
0.014%
0.03%
Heavy metals (as pb)
/
0.01%
0.001%
Vulcanizing residue
/
/
0.1%
As
/
0.0002%
/
Phthalic acid
/
0.0002%
/
Loss on dry
/
0.5%
/
Whiteness
/
meet the standard
meet the standard
     
     
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