L-Cysteine

Min.Order / FOB Price:Get Latest Price

1 Gram	FOB Price: USD 66.0000

1 Gram

FOB Price: USD 66.0000

Min.Order :1 Gram
Purity: 99%
Payment Terms : T/T,Other

Keywords

L-Cysteine 52-90-4 99%

Quick Details

Appearance:powder
Application:intermediate
PackAge:according to your need for packing
ProductionCapacity:1|Metric Ton|Day
Storage:Store at RT.
Transportation:sea,air,courier

Superiority:

L-Cysteine Chemical Properties
Melting point    240 °C (dec.) (lit.)
alpha    8.75 º (c=12, 2N HCl)
Boiling point    293.9±35.0 °C(Predicted)
density    1.197 (estimate)
FEMA    3263 | L-CYSTEINE
refractive index    8.8 ° (C=8, 1mol/L HCl)
storage temp.    Store at RT.
solubility    H2O: 25 mg/mL
pka   1.92(at 25℃)
form    Solid
color    White
PH   4.5-5.5 (100g/l, H2O, 20℃)
optical activity   Optical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C).
Water Solubility    280 g/L (25 ºC)
λmax   λ: 260 nm Amax: 1.5
λ: 280 nm Amax: 0.2
Sensitive    Air Sensitive
Merck    14,2781
JECFA Number   1419
BRN    1721408
Stability:   Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
CAS DataBase Reference   52-90-4(CAS DataBase Reference)
NIST Chemistry Reference   L-Cysteine(52-90-4)
EPA Substance Registry System   L-Cysteine (52-90-4)

Details:

L-Cysteine Basic information
description Chemical properties Amino acids health benefits Uses Cysteine Metabolism Production methods synthesis physiological effects
Product Name:   L-Cysteine
Synonyms:   (R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Cysteine - animal origin
CAS:   52-90-4
MF:   C3H7NO2S
MW:   121.16
EINECS:   200-158-2
Mol File:   52-90-4.mol

Safety Information
Hazard Codes    Xn,Xi
Risk Statements    22-36/37/38-20/21/22
Safety Statements    36-37/39-26-24/25
WGK Germany    3
RTECS    HA1600000
F    10-23
Autoignition Temperature   420 °C
TSCA    Yes
HS Code    29309012
Hazardous Substances Data   52-90-4(Hazardous Substances Data)
Toxicity   LD50 orally in Rabbit: 1890 mg/kg

View All