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| CAS No.: | 56-17-7 |
|---|---|
| Name: | Cystamine dihydrochloride |
| Molecular Structure: | |
|
|
|
| Formula: | C4H12N2S2.2HCl |
| Molecular Weight: | 225.207 |
| Synonyms: | Ethanamine,2,2'-dithiobis-, dihydrochloride (9CI);Ethylamine, 2,2'-dithiobis-,dihydrochloride (8CI);2,2'-Dithiobis[ethylamine] dihydrochloride;Bis(2-aminoethyl) disulfide dihydrochloride;Cystamine dichlorohydrate;Cystamine dihydrochloride;Cystamine hydrochloride;WR 352; |
| EINECS: | 200-260-7 |
| Density: | 1.172 g/cm3 |
| Melting Point: | 217-220 °C (dec.)(lit.) |
| Boiling Point: | 264.8 °C at 760 mmHg |
| Flash Point: | 114 °C |
| Solubility: | soluble in water |
| Appearance: | white powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-36/37/39 |
| PSA: | 102.64000 |
| LogP: | 3.28980 |
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| Conditions | Yield |
|---|---|
| Stage #1: C23H26N2O3S With hydrogenchloride In ethyl acetate at 60℃; for 4h; Stage #2: With oxygen In chloroform at 25℃; for 720h; Further stages.; | A n/a B 99% |
| Conditions | Yield |
|---|---|
| With dimethyl sulfoxide at 90℃; for 6h; | 98% |
| With di(benzothiazol-2-yl)disulfide In methanol; chloroform for 2h; Ambient temperature; | 96.9% |
| In methanol oxidation; | |
| With dimethyl sulfoxide In water | |
| In dimethyl sulfoxide at 90℃; for 8h; |
- 120-78-5
di(benzothiazol-2-yl)disulfide
- 156-57-0
2-mercaptoethylamine hydrochloride
A
- 56-17-7
cystamine dihydrochioride
| Conditions | Yield |
|---|---|
| In ethanol; chloroform Ambient temperature; |
A
- 56-17-7
cystamine dihydrochioride
| Conditions | Yield |
|---|---|
| In chloroform; dimethyl sulfoxide at 45℃; for 6h; | A 23 mg B 52 mg |
| Conditions | Yield |
|---|---|
| With triethylamine In tetrahydrofuran; water Ambient temperature; | 100% |
- 108-30-5
succinic acid anhydride
- 56-17-7
cystamine dihydrochioride
- 108725-86-6
N,N'-(3,4-dithia-hexanediyl)-bis-succinamic acid
| Conditions | Yield |
|---|---|
| With sodium hydroxide In water at 20℃; pH=10; | 100% |
| With sodium hydroxide In water pH=10; | 100% |
| Stage #1: succinic acid anhydride; cystamine dihydrochioride With sodium hydroxide In water at 20℃; pH=7 - ~ 10; Stage #2: With hydrogenchloride In water Product distribution / selectivity; | 90% |
| Stage #1: cystamine dihydrochioride With sodium hydroxide In water pH=10; Stage #2: succinic acid anhydride In water at 20℃; for 2h; pH=7 - 10; Stage #3: With hydrogenchloride In water | 90% |
- 56-17-7
cystamine dihydrochioride
- 17669-01-1, 56190-51-3, 15853-98-2
(+)-usnic acid
- 1428361-11-8
C40H40N2O12S2
| Conditions | Yield |
|---|---|
| Stage #1: cystamine dihydrochioride With pyridine In ethanol at 20℃; for 0.5h; Inert atmosphere; Stage #2: (+)-usnic acid With pyridine In ethanol for 8h; Reflux; | 100% |
| Conditions | Yield |
|---|---|
| Stage #1: cystamine dihydrochioride With pyridine In ethanol at 20℃; for 0.5h; Stage #2: (+)-usnic acid With pyridine In ethanol for 8h; Inert atmosphere; Reflux; | 100% |
- 56-17-7
cystamine dihydrochioride
- 4055-39-4
mitomycin A
- 93367-29-4
7-N,7'-N'-bis(2-ethyl)mitomycin C disulfide
| Conditions | Yield |
|---|---|
| With triethylamine In methanol | 99% |
| With triethylamine In methanol for 10h; Ambient temperature; | 99% |
| With TEA In methanol at 20℃; for 24h; | 99% |
| Conditions | Yield |
|---|---|
| With sodium hydroxide In water at 20℃; pH=10; | 99% |
| With sodium hydroxide In water pH=10; | 99% |
| Stage #1: glutaric anhydride,; cystamine dihydrochioride With sodium hydroxide In water at 20℃; pH=7 - ~ 10; Stage #2: With hydrogenchloride In water | 90% |
| Stage #1: cystamine dihydrochioride With sodium hydroxide In water pH=10; Stage #2: glutaric anhydride, In water at 20℃; for 2h; pH=7 - 10; Stage #3: With hydrogenchloride In water | 90% |
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Chemistry
IUPAC Name: 2-(2-Aminoethyldisulfanyl)ethanamine dihydrochloride
Molecular Formula: C4H14Cl2N2S2
Molecular Weight: 225.22g/mol
EINECS: 200-260-7
Density: 1.172g/cm3
Melting Point: 217-220 °C
Boiling Point: 264.8°C at 760mmHg
Flash Point: 114°C
Solubility: soluble
Chemical Properties: white powder
Freely Rotating Bonds: 7
Polar Surface Area: 57.08 Å2
Polarizability: 10-24cm3
Enthalpy of Vaporization: 50.27 kJ/mol
Vapour Pressure: 0.00949 mmHg at 25°C
Stability: stable,incompatible with strong oxidizing agents
The chemical synonyms of Cystamine dihydrochloride (56-17-7) are Bis-(2-aminoethyl)disulfide dihydrochloride ; 2,2'-Dithiodi(ethylammonium) dichloride ; 2,2'-Diaminodiethyl disulfide dihydrochloride ; 2,2'-Dithiobis(ethylamine) dihydrochloride ; Decarboxycystine dihydrochloride .Product categories of Cystamine dihydrochloride (56-17-7) are Pharmaceutical Intermediates .The molecular structure of Cystamine dihydrochloride (56-17-7) is 
.
Uses
It can be used in the synthesis of heparin antagonist body and fructose bisphosphatase .
Toxicity Data With Reference
| 1. | scu-rat LDLo:200 mg/kg | AEPPAE Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 185 (1937),461. | ||
| 2. | ipr-mus LD50:405 mg/kg | ARZNAD Arzneimittel-Forschung. Drug Research. 21 (1971),284. | ||
| 3. | scu-cat LDLo:200 mg/kg | AEPPAE Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 185 (1937),461. | ||
| 4. | scu-gpg LDLo:300 mg/kg | AEPPAE Naunyn-Schmiedebergs Archiv fuer Experimentelle Pathologie und Pharmakologie. 185 (1937),461. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
A poison by subcutaneous and intraperitoneal routes. Experimental reproductive effects. When heated to decomposition it emits very toxic fumes of HCl, SOx, and NOx. See also SULFIDES.
Hazard Codes: .gif)
Xn
Xn: Harmful
Risk Statements: 22-36/37/38
22: Harmful if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 37/39-26-36/37/39
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39: Wear suitable gloves and eye/face protection
36/37/39: Wear suitable protective clothing, gloves and eye/face protection