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923-32-0

Name DL-Cystine
CAS 923-32-0
EINECS(EC#) 213-094-5
Molecular Formula C6H12N2O4S2
MDL Number MFCD00084652
Molecular Weight 240.3
MOL File 923-32-0.mol
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Chemical Properties

Appearance white to off-white powder
Melting point  227 °C (dec.)(lit.)
Boiling point  468.2±45.0 °C(Predicted)
density  1.358 (estimate)
refractive index  1.6000 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  1 M HCl: soluble
form  Powder
pka 2.1(at 35℃)
color  White
Water Solubility  Soluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol.
Merck  2782
BRN  1728095
LogP -4.340 (est)
CAS DataBase Reference 923-32-0(CAS DataBase Reference)
NIST Chemistry Reference Dl-cystine(923-32-0)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
Safety Statements 
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
WGK Germany  3
HS Code  29309090

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