Structural formula

Business number	0179
Molecular formula	(H2NCH2CH2S)2·2HCl
Molecular weight	225.2
label	Cystamine dihydrochloride, 2,2′-Diaminodiethyl disulfide dihydrochloride, 2,2′-Dithiobis(ethylamine) dihydrochloride, Decarboxycystine dihydrochloride

• Numbering system
• Physical property data
• Toxicological data
• Ecological data
• Molecular structure data
• Computing chemical data
• More
  • Properties and Stability
  • Storage method
  • Synthesis method
  • Purpose

Numbering system

CAS number:56-17-7

MDL number:MFCD00012905

EINECS number:200-260-7

RTECS number:KR7260000

BRN number:3616850

PubChem number:24893096

Physical property data

1. Characteristics: White needle-like or flake crystals.

2. Density ( g/mL,25/4℃) ： Undetermined

3. Relative vapor density (g/mL,AIR=1): Undetermined

4. Melting point ( ºC): 203~214

5. Boiling point ( ºC,Normal pressure): Undetermined

6. Boiling point ( ºC,5.2kPa): Undetermined

7. Refractive Index: Undetermined

8. Flashpoint (ºC): Undetermined

9. Specific optical rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Not OK

11. Vapor pressure (kPa,25ºC): Undetermined

12. Saturation vapor pressure (kPa,60ºC): Undetermined

13. heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical Pressure (KPa): Undetermined

16. Oil and water (octanol/Water) partition coefficient pair Value: Undetermined

17. Explosion limit (%,V/V): Undetermined

18. Lower explosion limit (%,V/V): Not OK

19. Solubility: easy to deliquesce. Easily soluble in water, slightly soluble in hot ethanol and ether.

Toxicological data

1, acute toxicity: rat oral LD50: 896mg/kg; rat subcutaneously LDLo: 200mg/kg; mouse via Oral LD50: 874mg/kg; mouse abdominal cavity LD50: 405mg/kg;
Cat subcutaneous LDLo: 200mg/kg; guinea pig subcutaneous LDLo：300mg/kg
2, reproductive toxicity: female rats Oral TDLo: 1250mg/kg, 13-17 days later to conceive SPAN>

Ecological data

None

Molecular structure data

5. Molecular property data:

1. Molar refractive index: 43.64

2. Molar volume (m ³/mol):129.8

3. isotonic specific volume (90.2K):350.6

4. Surface Tension (dyne/cm):53.1

5. Polarizability（10^-24cm³):17.30

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP):-1

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 2

4. Number of rotatable chemical bonds: 5

5. Number of tautomers:

6. Topological molecular polar surface area (TPSA):52

7. Number of heavy atoms: 8

8. Surface charge: 0

9. Complexity ：37

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. The number of uncertain atomic stereocenters: 0

13. Determine the number of stereocenters of chemical bonds: 0

14. Uncertain number of chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None

Storage method

This product should be sealed and stored in a dry and dark place.

Synthesis method

None

Purpose

For biochemical research, heparin antagonist, fructose bisphosphatase activation. Pharmaceuticals.

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