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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:
  • HarmfulXn
  • 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

2-β-AMINOETHYLISOTHIOUREA(56-10-0) is used in organic synthesis, enzyme activator, radiation, disease prevention, free radical antidote.The product as a drug can promote brain cell metabolism, increase the use of carbohydrates to enhance excitability. Patients with traumatic coma can quickly restore the brain's functions, and confrontation in central inhibition of drug effect. Applies to traumatic coma, cardiovascular diseases caused by coma, carbon monoxide poisoning, and stability drugs barbiturate poisoning, radiation injury and cerebral hypoxia and so on.

Toxicity Data With Reference

dogLD50intraperitoneal113mg/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.
dogLD50oral177mg/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 pigLD50intraperitoneal356mg/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.
mouseLD50intraperitoneal400mg/kg (400mg/kg) National Technical Information Service. Vol. AD277-689,
mouseLD50intravenous85400ug/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.
mouseLD50oral815mg/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.
mouseLD50subcutaneous242mg/kg (242mg/kg) Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 576, 1957.
rabbitLD50intraperitoneal236mg/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.
ratLD50intraperitoneal288mg/kg (288mg/kg) Archives Internationales de Pharmacodynamie et de Therapie. Vol. 142, Pg. 198, 1963.
ratLD50intravenous85mg/kg (85mg/kg) Casopis Lekaru Ceskych. Journal of Czech Physicians. Vol. 105, Pg. 1165, 1966.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by ingestion, intraperitoneal, subcutaneous, and intravenous routes. When heated to decomposition it emits very toxic NOx, SOx, and HBr.
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.
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