Basic information
- Name:
Carbamimidothioic acid,2-aminoethyl ester, hydrobromide (1:2)
- Superlist Name:
- 2-(2-Aminoethyl)isothiourea dihydrobromide
- CAS No.:
56-10-0
- Molecular Structure:

- Formula:
- C3H9N3S.2HBr
- Molecular Weight:
- 281.05
- Synonyms:
- Carbamimidothioicacid, 2-aminoethyl ester, dihydrobromide (9CI);Pseudourea, 2-(2-aminoethyl)-2-thio-,dihydrobromide (8CI);2-(2-Aminoethyl)-2-thiopseudourea dihydrobromide;2-(2-Aminoethyl)-2-thiopseudourea hydrobromide;2-(b-Aminoethyl)isothiuronium bromide hydrobromide;AET;Antiradon;Ixecur;NSC 22877;S-(2-Aminoethyl)isothiuronium bromidehydrobromide;S-(b-Aminoethyl)isothiuroniumbromide hydrobromide;Surrectan;
- EINECS:
- 200-257-0
- Melting Point:
- 190-196 °C(lit.)
- Boiling Point:
- 231.1 °C at 760 mmHg
- Flash Point:
- 93.6 °C
- Hazard Symbols:
Xn- Risk Codes:
- 22-36/37/38
- Safety Description:
- 26-36/37-22 Details
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Chemistry
Chemical Name: 2-(2-Aminoethyl)isothiourea dihydrobromide
IUPAC NAME: 2-aminoethyl carbamimidothioate dihydrobromide
CAS No.: 56-10-0
EINECS: 200-257-0
RTECS: UM0175000
Molecular Formula: C3H11Br2N3S
Molecular Weight: 281.01 g/mol
Melting Point: 190-196 °C(lit.)
Flash Point: 93.6 °C
Boiling Point: 231.1 °C at 760 mmHg
Following is the structure of 2-β-AMINOETHYLISOTHIOUREA(56-10-0):

The chemical synonymous of 2-β-AMINOETHYLISOTHIOUREA(56-10-0) are (2-aminoethyl)-2-thio-pseudouredihydrobromide;2-(2-aminoethyl)-2-thiopseudoureahydrobromide;2-(beta-aminoethyl)isothiouroniumbromidehydrobromide;2-aminoethylisothiourea;2-aminoethylisothioureahydrobromide;2-aminoethylisothiouroniumdibromide;2-aminoethylisothiuroniumbromidehydrobromide;2-aminoethylisothiuroniumdihydrobromide.
Uses
Toxicity Data With Reference
| dog | LD50 | intraperitoneal | 113mg/kg (113mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 142, Pg. 510, 1963. |
| dog | LD50 | oral | 177mg/kg (177mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 142, Pg. 510, 1963. |
| guinea pig | LD50 | intraperitoneal | 356mg/kg (356mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Journal of Pharmacology and Experimental Therapeutics. Vol. 129, Pg. 218, 1960. |
| mouse | LD50 | intraperitoneal | 400mg/kg (400mg/kg) | National Technical Information Service. Vol. AD277-689, | |
| mouse | LD50 | intravenous | 85400ug/kg (85.4mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Journal of Pharmacology and Experimental Therapeutics. Vol. 129, Pg. 218, 1960. |
| mouse | LD50 | oral | 815mg/kg (815mg/kg) | BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Journal of Pharmacology and Experimental Therapeutics. Vol. 129, Pg. 218, 1960. |
| mouse | LD50 | subcutaneous | 242mg/kg (242mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 576, 1957. | |
| rabbit | LD50 | intraperitoneal | 236mg/kg (236mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 142, Pg. 510, 1963. |
| rat | LD50 | intraperitoneal | 288mg/kg (288mg/kg) | Archives Internationales de Pharmacodynamie et de Therapie. Vol. 142, Pg. 198, 1963. | |
| rat | LD50 | intravenous | 85mg/kg (85mg/kg) | Casopis Lekaru Ceskych. Journal of Czech Physicians. Vol. 105, Pg. 1165, 1966. |
Consensus Reports
Safety Profile
Hazard Codes:
Xn: Harmful

Risk Statements about 2-β-AMINOETHYLISOTHIOUREA(56-10-0):
R22 Harmful if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements about 2-β-AMINOETHYLISOTHIOUREA(56-10-0):
S22 Do not breathe dust.
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37: Wear suitable protective clothing and gloves.

