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| L-Cysteine Hcl Mono |
| Molecular formula:
C3H7NO2S¡¤HCL¡¤H2O |
| CAS
NO.7048-04-6 |
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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 |
FCC4 |
| Assay |
99.0 ~ 100.5 % |
98.5 ~
101.5 % |
98.0 ~
101.5 % |
| PH |
1.5 ~ 2.0 |
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| Specific
rotation[a]D20º |
+ 5.5º~ + 7.0º |
+ 5.7º~ +6.8º |
+ 5.0º~ +8.0º |
| Transmittance
(T430) |
¡Ý 98.0 % |
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| Chloride(CL) |
19.89 ~ 20.29 % |
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| Ammonium(NH4) |
¡Ü0.02 % |
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| Sulfate(SO4) |
¡Ü0.020 % |
¡Ü0.03 % |
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| Iron(Fe) |
¡Ü10ppm |
¡Ü30ppm |
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| Heavy metals |
¡Ü10ppm |
¡Ü15ppm |
¡Ü20ppm |
| Lead(pb) |
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|
¡Ü10ppm |
| Arsenic |
¡Ü1ppm(
AS2O3) |
|
¡Ü3ppm |
| Other amino
acids |
Conforms |
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| Loss on
drying |
8.5 ~ 12.0 % |
8.0 ~ 12.0 % |
8.0 ~ 12.0 % |
| Residue on
ignition |
¡Ü0.10 % |
¡Ü0.4 % |
¡Ü0.1 % |
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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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