CAS No: 349-46-2, Chemical Name: D-Cystine
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349-46-2 D-Cystine

product Name D-Cystine
Synonyms D(+)-3,3-Dithiobis(2-aminopropanoic acid); H-D-(Cys)_2-OH~(+)-3,3-Dithiobis(2-aminopropionic acid)
Molecular Formula C6H12N2O4S2
Molecular Weight 240.3005
InChI InChI=1/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m1/s1
CAS Registry Number 349-46-2
EINECS 206-486-2
Molecular Structure 349-46-2 D-Cystine
Density 1.571g/cm3
Melting point 260℃
Boiling point 468.2°C at 760 mmHg
Refractive index 1.652
Flash point 237°C
Water solubility 0.057 g/L (25℃)
Vapour Pressur 4.62E-10mmHg at 25°C
Hazard Symbols  Xn:Harmful;
Risk Codes R22:;
R36/37/38:;
Safety Description S26:;
S37/39:;