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L-Cysteine hydrochloride anhydrous, EssentQ®

CAS: 52-89-1

Packaging	Reference	Stock	My Price
x 25 g :: Glass bottle	CI03050025	In stock	Buy

Other Packaging

Packaging	Reference	Stock	My Price
x 100 g :: Glass bottle	CI03050100	Check stock	Buy

Characteristic
Description : L-Cysteine ?hydrochloride anhydrous, extra pure
Type of packaging : glass flask
Presentation : 25g

- Synonyms: Thioserine
- C3H7NO2S·HCl
- M = 157,62 g/mol
- CAS [52-89-1]
- EINECS-No.: 200-157-7
- Solub. in water: (20 ºC): soluble
- Melting point: 175 - 178 ºC (decomposes)
- Tariff number: 2930 90 16 00
- Applications: in biochemistry, in food industry, antioxidant.

SPECIFICATIONS
assay (argentometric): min. 98 %
identity (IR-spectrum): passes test
specific rotation. ([a] 20°/D, c=1, 0,1N HCl): + 5.6 º - + 8.9 º
phosphates (as PO4): max. 0,005 %
sulfates (SO4): max. 0,005 %
ammonium (NH4): max. 0,01 %
arsenic (As): max. 0,0005 %
heavy metals (as Pb): max. 0,001 %
iron (Fe): max. 0,001 %
residue on ignition: max. 0,1 %
loss on drying (vacuum on P2O5): max. 2 %