30925-07-6

Name L-CYSTINE DIHYDROCHLORIDE
CAS 30925-07-6
EINECS(EC#) 250-391-9
Molecular Formula C6H14Cl2N2O4S2
MDL Number MFCD00070399
Molecular Weight 313.22
MOL File 30925-07-6.mol
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Chemical Properties

Melting point  228-232℃
alpha  [α]D20 -165～-175° (c=1, dil. HCl)
density  1.518[at 20℃]
vapor pressure  0Pa at 20℃
storage temp.  Store at RT.
solubility  0.5 M HCl: 50 mg/mL
form  Powder
color  White to Pale Yellow
Odor odorless
biological source synthetic
Optical Rotation [α]20/D -174 to -164 °, c =2 in 1 M HCl
Water Solubility  Soluble in hydrochloric acid. (0.5 M HCl: 50 mg/mL) Soluble in water.
InChI InChI=1/C6H12N2O4S2.ClH/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);1H/t3-,4-;/s3
InChIKey IOCJWNPYGRVHLN-QYDODFSFNA-N
SMILES [C@@H](N)(C(=O)O)CSSC[C@H](N)C(=O)O.Cl |&1:0,9,r|
LogP -5.08 at 25℃
CAS DataBase Reference 30925-07-6(CAS DataBase Reference)

Safety Data

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
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
TSCA  Yes
REACH Registrations Active
HS Code  29309090
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Eye Dam. 1
Skin Corr. 1B

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