Product Name

  • Name

    CYSTEAMINE S-PHOSPHATE SODIUM SALT

  • EINECS
  • CAS No. 3724-89-8
  • Density 1.597g/cm3
  • Solubility
  • Melting Point 220 °C (dec.)(lit.)
  • Formula C2H8 N O3 P S . Na
  • Boiling Point 384.2°Cat760mmHg
  • Molecular Weight 179.112
  • Flash Point 186.2°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal route. Moderately toxic by ingestion and intramuscular routes. See also PHOSPHATES and ESTERS. When heated to decomposition it emits very toxic fumes of POx, SOx, NOx, and Na2O.
  • Risk Codes 22-36/37/38
  • Molecular Structure Molecular Structure of 3724-89-8 (CYSTEAMINE S-PHOSPHATE SODIUM SALT)
  • Hazard Symbols
  • Synonyms Ethanethiol,2-amino-, S-ester with phosphorothioic acid, monosodium salt (7CI); Ethanethiol,2-amino-, dihydrogen phosphate (ester), monosodium salt (9CI); Phosphorothioicacid, S-(2-aminoethyl) ester, monosodium salt (8CI); Cistaphos; Cystafos;Cystaphos; Cystaphos sodium salt; Monosodium b-aminoethyl thiophosphate; NSC 87174; S-(2-Aminoethyl)thiophosphate monosodium salt; Sodium hydrogen S-(2-aminoethyl) phosphorothioicacid; Sodium hydrogen S-(2-aminoethyl)phosphorothioate; Sodium b-aminoethyl thiophosphate;Tsistafos; WR 638
  • PSA 121.49000
  • LogP 0.90950

S-(2-Aminoethyl)thiophosphate monosodium salt Chemical Properties

IUPAC Name: Sodium 2-aminoethylsulfanyl(hydroxy)phosphinate
Synonyms of S-(2-Aminoethyl)thiophosphate monosodium salt (CAS NO.3724-89-8): Cistaphos ; Cystaphos sodium salt ; Ethanethiol, 2-amino-, dihydrogen phosphate(ester), monosodium salt ; Monosodium beta-aminoethyl thiophosphate ; Sodium beta-aminoethyl thiophosphate ; Sodium hydrogen S-(2-aminoethyl) phosphorothioic acid ; Tsistafos
InChI: InChI=1/C2H8NO3PS.Na/c3-1-2-8-7(4,5)6;/h1-3H2,(H2,4,5,6);/q;+1/p-1/rC2H7NNaO3PS/c3-1-2-9-8(5,6)7-4/h1-3H2,(H,5,6)
Product Categories: pharmacetical
CAS NO: 3724-89-8
Molecular Formula: C2H7NNaO3PS
Molecular Weight : 179.110411
Molecular Structure:
EINECS: 223-079-5
H bond acceptors: 4
H bond donors: 3
Freely Rotating Bonds: 6
Polar Surface Area: 107.66 Å2
Melting Point: 220 °C (dec.)(lit.)

S-(2-Aminoethyl)thiophosphate monosodium salt Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 intraperitoneal 358mg/kg (358mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.
mouse LD50 intramuscular 1003mg/kg (1003mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.
mouse LD50 intraperitoneal 806mg/kg (806mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.
mouse LD50 oral 1433mg/kg (1433mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.
rat LD50 intramuscular 505mg/kg (505mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.
rat LD50 intraperitoneal 555mg/kg (555mg/kg) BEHAVIORAL: TREMOR

BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD		 Radiobiologiya. Vol. 16, Pg. 249, 1976.

S-(2-Aminoethyl)thiophosphate monosodium salt Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 22-36/37/38
R22: Harmful if swallowed. 
R36/37/38: S-(2-Aminoethyl)thiophosphate monosodium salt (CAS NO.3724-89-8) is irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany: 3
RTECS: TE6483500

Poison by intraperitoneal route. Moderately toxic by ingestion and intramuscular routes. See also PHOSPHATES and ESTERS. When S-(2-Aminoethyl)thiophosphate monosodium salt (CAS NO.3724-89-8) is heated to decomposition, it emits very toxic fumes of POx, SOx, NOx, and Na2O.

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