RonasChemical
L-Cysteine Hydrochloride Monohydrate
Product Name: L-Cysteine Hydrochloride Monohydrate
CAS NO: 7048-04-6
Molecular Formula: C3H10CINO3S
Molecular Weight: 175.63g/mol
Structure:
Specification:
|
ITEM |
SPECIFICATION |
|
APPEARANCE |
WHITE CRYSTALS OR CRYSTALLINE POWDER |
|
IDENTIFICATION |
INFRARED ABSORPTION SPECTRUM |
|
ASSAY |
99.0~100.5% |
|
SPECIFIC ROTATION(a)D20- |
+5.5O~+7.0O |
|
STATE OF SOLUTION TRANSMITTANCE |
CLEAR AND COLORLESS 98.0% MIN. |
|
CHLORIDE(AS CL) |
19.89~20.29% |
|
AMMONIUM((AS NH4) |
0.02% MAX. |
|
SULFATE(AS SO4) |
0.02% MAX. |
|
IRON(AS FE) |
10PPM MAX. |
|
HEAVY METALS |
10PPM MAX. |
|
ARSENIC(AS AS2O3) |
1PPM MAX. |
|
LOSS ON DRYING |
8.5~12.0% |
|
PH |
1.5~2.0 |
|
OTHER AMINO ACID |
CHROMATOGRAPHICALLY NOT DETECTABLE |
|
RESIDUE ON IGNITION |
0.10% MAX. |
Physical
description:
White crystals or
crystalline powder, with a little special odor. Melting point: 175℃.
It is soluble in water,
alcohol, ammonium and acetic acid. It is non-soluble in benzene, diethyl ether,
acetone, ethyl acetate and carbon tetrachloride. PH is 1.7 for 1% water
solution.
Mesh: 12
Shelf life: two years
Function:
Fermentation accelerator
to accelerate the form of glutelin from being aged. Max dosage: 0.0.6g/kg. Also
it could be used in the field such as pharmaceutical aspect,
food aspect and cosmetic
aspect.
Packing
and storage: 25kg paper drums with 2 pieces polyethylene
intermediate layer. It should be stored in dry, normal room temperature
condition and no direct sunshine.
