Product Name

  • Name

    5-Carboxymethyl-3-methyl-2H-1,3,5-thiadiazine-2-thione

  • EINECS
  • CAS No. 3655-88-7
  • Article Data4
  • CAS DataBase
  • Density 1.5g/cm3
  • Solubility
  • Melting Point
  • Formula C6H10 N2 O2 S2
  • Boiling Point 362°Cat760mmHg
  • Molecular Weight 206.30
  • Flash Point 172.7°C
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and SOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 3655-88-7 (5-Carboxymethyl-3-methyl-2H-1,3,5-thiadiazine-2-thione)
  • Hazard Symbols
  • Synonyms 3-Methyl-5-carboxymethyltetrahydro-1,3,5-thiadiazine-2-thione;D 3520; Terracur; Thiodiazinthion
  • PSA 101.17000
  • LogP 0.12730

N-Methyl-tetrahydrothiamidinthione acetic acid Chemical Properties

IUPAC Name: 2-(5-methyl-6-sulfanylidene-1,3,5-thiadiazinan-3-yl)acetic acid 
Synonyms of N-Methyl-tetrahydrothiamidinthione acetic acid (CAS NO.3655-88-7): 5-Carboxymethyl-3-methyl-2H-1,3,5-thiadiazine-2-thione ; 5-Methyl-6-thioxotetrahydro-3-thiadiazineacetic acid ; AI3-25778 ; BRN 1074968 ; D 3520 ; Terracur ; Thiadiazinthion ; 2H-1,3,5-Thiadiazine-3(4H)-acetic acid, dihydro-5-methyl-6-thioxo- ; 4H,6H-1,3,5-Thiadiazineacetic acid, 5-methyl-6-thioxo- 
CAS NO: 3655-88-7
Molecular Formula of N-Methyl-tetrahydrothiamidinthione acetic acid (CAS NO.3655-88-7): C6H10N2O2S2
Molecular Weight: 206.2858
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 2
Polar Surface Area: 90.17 Å2
Index of Refraction: 1.69
Molar Refractivity: 52.32 cm3
Molar Volume: 136.7 cm3
Surface Tension: 84.5 dyne/cm
Density: 1.5 g/cm3
Flash Point: 172.7 °C
Enthalpy of Vaporization: 66.77 kJ/mol
Boiling Point: 362 °C at 760 mmHg
Vapour Pressure: 3.17E-06 mmHg at 25°C
Molecular Structure:

N-Methyl-tetrahydrothiamidinthione acetic acid Uses

 N-Methyl-tetrahydrothiamidinthione acetic acid (CAS NO.3655-88-7) is used as pesticide.

N-Methyl-tetrahydrothiamidinthione acetic acid Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 intraperitoneal 300mg/kg (300mg/kg)   Pesticide Manual. Vol. 1, Pg. 71, 1968.
rat LD50 oral 1gm/kg (1000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C298, 1991.

N-Methyl-tetrahydrothiamidinthione acetic acid Safety Profile

Poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and SOx.

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