Certificate of Analysis
|
Product Name |
Methyl Sulfonyl Methane (MSM) |
Country of Origin |
China |
|
CAS No |
67-71-0 |
Molecular Formula |
C2H6O2S |
|
Batch No. |
MSM-2020417 |
Batch Quantity |
1000kgs |
|
Manufacturing Date |
Apr 17, 2021 |
Expiry Date |
Apr 16, 2023 |
|
Items |
Specification |
Result |
|
Assay |
99.90%Min |
99.93% |
|
PHYSICAL CHARACTERISTICS |
||
|
Appearance |
White crystalline powder |
White crystalline powder |
|
Water Content |
0.20%Max |
0.15% |
|
Mesh size |
60-80mesh |
60-80mesh |
|
Residue on ignition |
0.10%Max |
<0.01% |
|
Bulk density |
≥0.65g/ml |
0.68 |
|
Melting point |
108.0-110.0ºC |
108.5ºC |
|
CHEMICAL CHARACTERISTICS |
||
|
Heavy metals (Pb) |
5ppmMax |
<5ppm% |
|
Lead (Pb) |
3ppmMax |
<3ppm |
|
Arsenic (As) |
1ppmMax |
<1ppm |
|
** (Hg) |
0.1ppmMax |
<0.1 ppm |
|
Cardmiu (Cd) |
1ppmMax |
<1ppm |
|
DMSO Content |
Free |
Free |
|
Microbiological Characteristics |
||
|
Total plate count |
≤1000cfu/g |
<10cfu/g |
|
Yeast/Mold |
<100cfu/g |
<10cfu/g |
|
Salmonella |
Negative |
Negative |
|
E.Coli |
Negative |
Negative |
|
Staphylococcus |
Negative |
Negative |
|
Packing and Storage |
|
|
|
Conclusion |
The product complies with above standards. |
|
Store in tight, light-resistant containers, avoid exposure to direct sunlight, moisture and heat.
