D-Cystine

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. :Keep in dark place,Inert atmosphere,Room temperature
solubility :Aqueous Acid (Slightly), Aqueous Base (Slightly)
pka :1.70±0.10(Predicted)
form :Fine Crystalline Powder
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
Major Application :peptide synthesis
InChI :1S/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
InChIKey :LEVWYRKDKASIDU-QWWZWVQMSA-N
SMILES :N[C@H](CSSC[C@@H](N)C(O)=O)C(O)=O
LogP :1.230 (est)
CAS DataBase Reference :349-46-2(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.