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349-46-2

Name D-Cystine
CAS 349-46-2
EINECS(EC#) 206-486-2
Molecular Formula C6H12N2O4S2
MDL Number MFCD00002610
Molecular Weight 240.3
MOL File 349-46-2.mol
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Chemical Properties

Appearance White crystals
Melting point  265 °C (dec.) (lit.)
alpha  214 º (c=1, 1 N HCl)
Boiling point  468.2±45.0 °C(Predicted)
density  1.358 (estimate)
refractive index  1.6000 (estimate)
storage temp.  Store at RT.
solubility  Aqueous Acid (Slightly), Aqueous Base (Slightly)
form  Fine Crystalline Powder
pka 1.70±0.10(Predicted)
color  White
optical activity [α]20/D +212°, c = 1 in 1 M HCl
Water Solubility  0.057 g/L (25 ºC)
Merck  14,2782
BRN  1728093
InChIKey LEVWYRKDKASIDU-QWWZWVQMSA-N
LogP 1.230 (est)
CAS DataBase Reference 349-46-2(CAS DataBase Reference)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
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 .
S36:Wear suitable protective clothing .
WGK Germany  3
HS Code  29309010

Hazard Information

Material Safety Data Sheet(MSDS)

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