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| CAS No.: | 60-23-1 |
|---|---|
| Name: | 2-AMINOETHANETHIOL |
| Article Data: | 63 |
| Molecular Structure: | |
|
|
|
| Formula: | C2H7NS |
| Molecular Weight: | 77.1503 |
| Synonyms: | 1-Amino-2-mercaptoethane;2-Amino-1-ethanethiol;2-Aminoethanethiol;2-Aminoethyl mercaptan;2-Aminoethylthiol;2-Mercaptoethanamine;2-Mercaptoethylamine;Becaptan;Cystagone;Cysteamine;Cysteinamine;Decarboxycysteine;L 1573;Lambraten;Lambratene;MEA;MEA (mercaptan);Mercamin;Mercamine;Mercaptamin;Mercaptamine;Mercaptoethylamine;Merkamin;NSC 647528;Riacon;Thioethanolamine;WR 347;b-Aminoethanethiol;b-Aminoethylthiol;b-MEA;b-Mercaptoethylamine;cysteamine HCL; |
| EINECS: | 200-463-0 |
| Density: | 0.973 g/cm3 |
| Melting Point: | 95°C |
| Boiling Point: | 133.6 °C at 760 mmHg |
| Flash Point: | 34.6 °C |
| Solubility: | Soluble in water |
| Appearance: | white powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22-36/37/38 |
| Safety: | 26-36 |
| Transport Information: | UN 3335 |
| PSA: | 64.82000 |
| LogP: | 0.57520 |
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| Conditions | Yield |
|---|---|
| With ammonia at 45℃; under 11251.1 Torr; for 0.666667h; Temperature; Pressure; | 97% |
| Conditions | Yield |
|---|---|
| With ethanol; hydrogen sulfide | |
| With hydrogen sulfide unter Kuehlung; |
| Conditions | Yield |
|---|---|
| With hydrogenchloride; water |
- 51-85-4
2,2'-dithio-bis[ethylamine]
- 151-50-8
potassium cyanide
A
- 1779-81-3
4,5-Dihydro-thiazol-2-ylamin
B
- 60-23-1
Cysteamine
- 22572-33-4
S-benzylcysteamine hydrochloride
- 60-23-1
Cysteamine
| Conditions | Yield |
|---|---|
| With ammonia; sodium |
- 70-18-8
GLUTATHIONE
- 51-85-4
2,2'-dithio-bis[ethylamine]
A
- 13244-81-0
(S)-2-Amino-4-[(R)-2-(2-amino-ethyldisulfanyl)-1-(carboxymethyl-carbamoyl)-ethylcarbamoyl]-butyric acid
B
- 60-23-1
Cysteamine
| Conditions | Yield |
|---|---|
| With sodium chloride In water-d2 at 25℃; Equilibrium constant; |
- 70-18-8
GLUTATHIONE
- 13244-81-0
(S)-2-Amino-4-[(R)-2-(2-amino-ethyldisulfanyl)-1-(carboxymethyl-carbamoyl)-ethylcarbamoyl]-butyric acid
A
- 27025-41-8
Oxidized glutathione
B
- 60-23-1
Cysteamine
| Conditions | Yield |
|---|---|
| With sodium chloride In water-d2 at 25℃; Equilibrium constant; |
| Conditions | Yield |
|---|---|
| With HO3SC6H4SH Equilibrium constant; pH 6.0; | |
| With rac-cysteine Equilibrium constant; pH 7.4, further thiols; | |
| With water; diothiothreitol |
| Conditions | Yield |
|---|---|
| With sulfuric acid In water for 0.5h; Heating; |
| Conditions | Yield |
|---|---|
| With hydrazine |
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Chemistry
Molecular Structure of Cysteamine (60-23-1):
EINECS: 200-463-0
IUPAC Name: 2-Aminoethanethiol
Molecular Formula: C2H7NS
Molecular Weight: 77.148680 g/mol
XLogP3-AA: -0.4
H-Bond Donor: 1
H-Bond Acceptor: 1
Canonical SMILES: C(CS)N
InChI: InChI=1S/C2H7NS/c3-1-2-4/h4H,1-3H2
InChIKey: UFULAYFCSOUIOV-UHFFFAOYSA-N
Index of Refraction: 1.485
Molar Refractivity: 22.74 cm3
Molar Volume: 79.2 cm3
Surface Tension: 34.8 dyne/cm
Density: 0.973 g/cm3
Flash Point: 34.6 °C
Enthalpy of Vaporization: 37.11 kJ/mol
Boiling Point: 133.6 °C at 760 mmHg
Vapour Pressure: 8.39 mmHg at 25 °C
Melting Point: 95 °C
Water Solubility: 1e+006 mg/L at 25 °C
Storage Temp.: 2-8 °C
Toxicity Data With Reference
| 1. | pic-esc 50 mg/L | APMBAY Applied Microbiology. 12 (1964),234. | ||
| 2. | cyt-ham:ovr 1 mmol/L | CALEDQ Cancer Letters (Shannon, Ireland). 5 (1978),199. | ||
| 3. | dns-ham:fbr 1 mmol/L | CALEDQ Cancer Letters (Shannon, Ireland). 5 (1978),199. | ||
| 4. | sce-ham:ovr 100 µmol/L | MUREAV Mutation Research. 68 (1979),351. | ||
| 5. | ipr-rat LD50:232 mg/kg | ARZNAD Arzneimittel-Forschung. Drug Research. 5 (1955),421. | ||
| 6. | scu-rat LD50:84 mg/kg | OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi. Journal of the Osaka City Medical Center. 5 (1956),128. | ||
| 7. | orl-mus LD50:625 mg/kg | JMCMAR Journal of Medicinal Chemistry. 18 (1975),798. | ||
| 8. | ipr-mus LD50:250 mg/kg | JMCMAR Journal of Medicinal Chemistry. 12 (1969),510. | ||
| 9. | scu-mus LD50:84 mg/kg | OSDIAF Osaka Shiritsu Daigaku Igaku Zasshi. Journal of the Osaka City Medical Center. 5 (1956),128. | ||
| 10. | ivn-mus LD50:190 mg/kg | CHDDAT Comptes Rendus Hebdomadaires des Seances de l’Academie des Sciences, Serie D. 262 (1966),206. |
Consensus Reports
EPA Genetic Toxicology Program.
Safety Profile
Safety Information of Cysteamine (60-23-1):
Hazard Codes: Xn .gif){kind=small}
Risk Statements: 22-36/37/38
22: Harmful if swallowed
36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 26-36
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
RIDADR: 3259
WGK Germany: 3
RTECS: KJ0175000
F: 1-3-10-13-34
Poison by intravenous, subcutaneous, and intraperitoneal routes. Moderately toxic by ingestion. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits very toxic fumes of SOx and NOx.
Specification
Cysteamine (60-23-1) is white powder, known as Cysteamine [USAN:BAN] ; Mercaptamine [INN] ; (2-Mercaptoethyl)amine ; 1-Amino-2-mercaptoethylamine ; 2-Amino-1-ethanethiol ; 2-Aminoethanethiol ; 2-Aminoethyl mercaptan ; 2-Mercaptoethanamine ; Becaptan ; CCRIS 3083 ; Cisteamina ; Cisteamina [Italian] ; Cystagon ; Cysteamin ; Cysteinamine ; Decarboxycysteine ; HSDB 7353 ; L 1573 ; L-1573 ; Lambraten ; Lambratene ; MEA ; MEA (mercaptan) ; Mercamine ; Mercaptamina ; Mercaptamina [INN-Spanish] ; Mercaptamine ; Mercaptaminum ; Mercaptaminum [INN-Latin] ; Mercaptoethylamine ; NSC 647528 ; Riacon ; Thioethanolamine ; UNII-5UX2SD1KE2 ; WR 347 ; beta-Aminoethanethiol ; beta-Aminoethylthiol ; beta-Mercaptoethylamine ; Ethanethiol, 2-amino- . Cysteamine (60-23-1) is used to form Coenzyme A by combining with pantothenate and adenosine triphosphate in the body. It is also used for treatment of radiation sickness and disorders of cystine excretion.