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Basic information

  • Name:

  • 1,4-Dithiin,2,3-dihydro-5,6-dimethyl-, 1,1,4,4-tetraoxide

  • CAS No.:

  • 55290-64-7

  • Formula:
  • C6H10 O4 S2
  • Synonyms:
  • 2,3-Dihydro-5,6-dimethyl-1,4-dithiin1,1,4,4-tetroxide; 2,3-Dihydro-5,6-dimethyl-1,4-dithiine 1,1,4,4-tetroxide;Dimethipin; Harvade; Harvade 25F; Harvade F 25; Harveyd F-25; N 252;Oxidimethiin; Tetrathiin; Tetrathiin (desiccant); UBI-N 252

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Chemistry

Product Name: Oxidimethiin (CAS NO.55290-64-7)


Molecular Formula: C6H10O4S2
Molecular Weight: 210.27g/mol
Mol File: 55290-64-7.mol
EINECS: 259-572-7
Boiling point: 483.6 °C at 760 mmHg
Storage Temperature: Approx -4°C
Flash Point: 341.5 °C
Density: 1.412 g/cm3
Surface Tension: 42.5 dyne/cm
Enthalpy of Vaporization: 72.02 kJ/mol
Vapour Pressure: 4.87E-09 mmHg at 25°C
XLogP3-AA: -0.5
H-Bond Donor: 0
H-Bond Acceptor: 4
Structure Descriptors of Oxidimethiin (CAS NO.55290-64-7):
  IUPAC Name: 5,6-dimethyl-2,3-dihydro-1,4-dithiine 1,1,4,4-tetraoxide
  Canonical SMILES: CC1=C(S(=O)(=O)CCS1(=O)=O)C
  InChI: InChI=1S/C6H10O4S2/c1-5-6(2)12(9,10)4-3-11(5,7)8/h3-4H2,1-2H3 
  InChIKey: PHVNLLCAQHGNKU-UHFFFAOYSA-N
Product Categories: Alpha sort; D; DAlphabetic; DID - DINPesticides&Metabolites; Pesticides; Pesticides&Metabolites; Plant growth regulators

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 440mg/kg (440mg/kg)   Pesticide Manual. Vol. 9, Pg. 292, 1991.
rabbit LD50 skin 8gm/kg (8000mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C160, 1991.
rat LC50 inhalation > 20gm/m3/1H (20000mg/m3)   Pesticide Manual. Vol. 9, Pg. 292, 1991.
rat LD50 oral 1150mg/kg (1150mg/kg)   "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revisionVol. 3, Pg. 88, 1976/1977.

Safety Profile

Moderately toxic by ingestion. Low toxicity by inhalation and skin contact. When heated to decomposition it emits toxic vapors of SOx.
Safety Information of Oxidimethiin (CAS NO.55290-64-7):
Hazard Codes: FFlammable,XiIrritant,XnHarmful
Risk Statements: 11-36-66-67-22  
11:  Highly Flammable 
22:  Harmful if swallowed
36:  Irritating to the eyes
66:  Repeated exposure may cause skin dryness or cracking 
67:  Vapors may cause drowsiness and dizziness 
Safety Statements: 16-26-33
16:  Keep away from sources of ignition - No smoking 
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
33:  Take precautionary measures against static discharges
RIDADR: 2811
RTECS: JO5090000
HazardClass: 6.1(b)
PackingGroup: III

Specification

 Oxidimethiin , its CAS NO. is 55290-64-7, the synonyms are Dimethipin ; 1,4-Dithiin, 2,3-dihydro-5,6-dimethyl-, 1,1,4,4-tetraoxide ; 2,3-Dihydro-5,6-dimethyl-1,4-dithiin-1,1,4,4-tetraoxide ; 2,3-Dihydro-5,6-dimethyl-1,4-dithiine 1,1,4,4-tetraoxide ; Caswell No. 472AA ; Dimethipin ; EINECS 259-572-7 ; EPA Pesticide Chemical Code 118901 ; HSDB 6615 ; Harvade ; Harvade-5F (9CI) ; N 252 ; Tetrathiin ; UBI-N 252 ; UNI-N252 .

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