China L-Cysteine Hydrochloride Monohydrate/ L-Cysteine HCL Monohydrate Factory
L-Cysteine hcl monohydrate CAS No: 7048-4-6
L-Cysteine hydrochloride monohydrate Chemical Properties
Molecular Formula: C3H7NO2S·HCl·H2O
Molecular Weight: 175.64
Melting point:175°C
Alpha :+6.0～+7.5゜(20℃/D)(c=8,6mol/l HCl)(calculated on the dried basis)
Density:1.54 g/cm3
Vapor pressure:<0.1 hPa (20°C)
Refractive index:6°(C=8, 1mol/L HCl)
Storage temp:Store at RT.
SolubilityH2O: 1 M at 20°C, clear, colorless
PH:0.8-1.2 (100g/l, H2O, 20℃)
PH Range:1 - 2
Optical activity:[α]20/D +5.6±0.3°, c = 5% in 5 M HCl
Water Solubility:Soluble in cold water.
L-Cysteine hcl monohydrate Introduction:
H&Z® L-Cysteine hcl monohydrate is one of the important products the amino acid series. It is widely used in medical, chemical and food industries.
Used for biochemical reagent, foodstuff additive, antioxidant, antiseptics
L-Cysteine hcl monohydrate Specification:
|
L-Cysteine Hcl Monohydrate |
L-Cysteine Hcl Anhydrous |
|||
|
AJI92 |
USA index |
First grade |
AJI92 |
|
|
Assay |
99.0-100.5% |
98.5-101.5% |
≥98.5% |
98.0-10.2.0% |
|
PH |
1.5-2.0 |
/ |
1.5-2.0 |
1.5-2.0 |
|
Specific rotation[a]D20 |
+5.5°-+7.0° |
+5.7°-+6.8° |
+5.5°-+7.0° |
+5.6°-+8.9° |
|
Specific rotation[a]D25 |
/ |
/ |
/ |
/ |
|
Transmittance(T430) |
≥98.0% |
/ |
≥98.0% |
≥98.0% |
|
Chloride(Cl) |
19.89-20.29% |
/ |
19.8-20.8% |
/ |
|
Ammonium(NH4) |
≤0.02% |
/ |
≤0.02% |
/ |
|
Sulfate(SO4) |
≤0.02% |
≤0.03% |
/ |
/ |
|
Iron(Fe) |
≤10PPM |
≤30PPM |
≤10PPM |
/ |
|
Heavy metals(Pb) |
≤10PPM |
≤15PPM |
≤10PPM |
≤10PPM |
|
Arsenic |
≤1PPM |
/ |
≤1PPM |
≤1PPM |
|
Other amino acids |
conform |
individual impurities≤0.5% total impurities≤2.0% |
≤0.5% |
conform |
|
Ninhydrin-positive substances |
/ |
/ |
/ |
/ |
|
Loss on drying |
8.5-12.0% |
8.0-12.0% |
8.5-12.0% |
≤1.0% |
|
Residue on ignition |
≤0.10% |
≤0.4% |
≤0.10% |
≤0.1% |
|
Organic volatile impurities |
/ |
/ |
/ |
/ |
|
Endotoxin |
/ |
/ |
conform |
/ |
L-Cysteine hcl monohydrate Function:
1. L-Cysteine has an effective detoxification.
2. L-Cysteine can effectively prevent and treat radiation injury.
3. L-Cysteine can remove the skin melanin itself, change the nature of the skin itself, the skin becomes natural whitening. It is a kind of ideal natural whitening cosmetics.
4. L-Cysteine can improve the symptoms of inflammation and skin allergies.
5. L-Cysteine on horny skin disease is also effective hypertrophy.
6. L-Cysteine has a function to prevent biological aging.
7.Cysteine is a kind of natural amino acid, has many uses in food processing, it is mainly used for baking products, as a necessary component of dough improver
8.Cysteine is a kind of reductant, it can promote the formation of gluten, reduce the time needed for mixing and the energy required for medicinal, cysteine by changing the protein molecules and protein molecules between the internal disulfide bond, weaken the structure of the protein, this protein is stretched.
L-Cysteine hcl monohydrate Application:
1.L-Cysteine hcl monohydrate can be used as Animal Feed
2.L-Cysteine hcl monohydrate can be used as Baking Improver
3.L-Cysteine hcl monohydrate can be used as Flavors
4.L-Cysteine hcl monohydrate can be used as Formulations for Phamaceuticals
5.L-Cysteine hcl monohydrate can be used as Process Aids,Food
