Identification \ Grade

FCC

USP

JP

BP

EP

E967

Assay                       %

98.5-101.0

98.5-101.0

 ≥98.0

98.0-102.0

  98.0-102.0

 ≥98.5

Other Polyols             %

 ≤2.0

 ≤2.0

 ≤2.0(Related Products)

≤1.0

Loss on Drying           %

 ≤0.5

 ≤0.5

 ≤1.0

 ≤1.0

 ≤1.0

 ≤0.5

Residue on Ignition     %

 ≤0.5

 ≤0.5

 ≤0.1

 ≤0.1

 ≤0.1

Reducing Sugar         %

 ≤0.2

 ≤0.2

To pass test

 ≤0.2

 ≤0.2

≤0.2

Heavy Metal(as Pb)    %

 ≤0.0010

 ≤0.0010

 ≤0.00005

 ≤0.00005

 ≤0.0010

Nickel                       %

To pass test

 ≤0.0001

 ≤0.0001

 ≤0.0002

Lead                         %

 ≤0.0001

 ≤0.0005

 ≤0.0005

 ≤0.0001

Acidity or Alkalinity

To pass test

pH

5.0-7.0

5.0-7.0

Sulfates                  %

 ≤0.006

 ≤0.02

Chloride                   %

 ≤0.005

 ≤0.01

Arsenic (as As2O3)   %

 ≤0.0003

 ≤0.00013

 ≤0.0003

Melting Range        

92-96

93.0-95.0

92-96

92-96

92-96

Conductivity      us/cm

 ≤20

 ≤20

Identification Test

To pass test

To pass test

Pass A, B ,C

Pass A, B,C

Bacterial Endotoxins    I.U./g

≤2.5 (≥100g/L)

≤4.0 (≤100g/L)