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| S-Carboxymethyl-L-Cysteine |
| Molecular
formula:C5H9NO4S
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| CAS NO.638-23-3 |
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| Description: |
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| White crystals or crystalline
powder , strongly acid taste. |
| Specifications: |
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| Item\Specifications |
AJI92 |
USP24 |
| Assay |
98.5 ~ 101.0 % |
98.5 ~ 101.0 % |
| PH |
2.0 ~ 3.5 |
2.8 ~ 3.0 |
| Specific
rotation[a]D20º |
-33.5º~ -36.5º |
-32.5º~ -35.5º |
| Transmittance
(T430) |
¡Ý 98.0 % |
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| Chloride(CL) |
¡Ü0.04 % |
¡Ü0.15 % |
| Ammonium(NH4) |
¡Ü0.02 % |
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| Sulfate(SO4) |
¡Ü0.02 % |
¡Ü300ppm |
| Iron(Fe) |
¡Ü30ppm |
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| Heavy metals |
¡Ü10ppm |
¡Ü10ppm |
| Arsenic |
¡Ü1ppm |
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| Other amino acids |
Conforms |
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| Loss on drying |
¡Ü0.30 % |
¡Ü0.5 % |
| Residue on ignition |
¡Ü0.1 % |
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| Sulphated ash |
|
¡Ü0.3 % |
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| Package: |
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| Fiber drum double polyethylene
bags inside (25kgs). |
| Storage: |
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| Cool, dry, dark in closed
containers, recommended limit 1 years. |
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