Product Name

  • Name

    DIMETHYLTIN OXIDE

  • EINECS 218-881-7
  • CAS No. 2273-45-2
  • Article Data27
  • CAS DataBase
  • Density 1.260g/mLat 25°C(lit.)
  • Solubility insoluble in water
  • Melting Point 395°C(lit.)
  • Formula C2H6OSn
  • Boiling Point 224-225°C(lit.)
  • Molecular Weight 164.779
  • Flash Point >230°F
  • Transport Information UN 3146
  • Appearance white Powder
  • Safety 22-36/37/39
  • Risk Codes 20/21/22
  • Molecular Structure Molecular Structure of 2273-45-2 (DIMETHYLTIN OXIDE)
  • Hazard Symbols T
  • Synonyms Dimethyltinoxide (6CI);Tin, dimethyloxo- (7CI);Dimethyloxostannane;Dimethyloxotin;NSC105197;NSC 113249;
  • PSA 17.07000
  • LogP 0.66800

Dimethyloxostannane Consensus Reports

Reported in EPA TSCA Inventory.

Dimethyloxostannane Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Sn)/m3 (skin)
ACGIH TLV: TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin).
NIOSH REL: (Organotin Compounds) TWA 0.1 mg(Sn)/m3

Dimethyloxostannane Analytical Methods

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

Dimethyloxostannane Specification

The Dimethyloxostannane, with the CAS registry number 2273-45-2 and EINECS registry number 218-881-7, has the systematic name of dimethyl(oxo)stannane. It is a kind of organics, and should be stored in the dry and cool environment. And the molecular formula of the chemical is C2H6OSn. 

The physical properties of Dimethyloxostannane are as followings: (1)#H bond acceptors: 1; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 17.07 Å2. 

You should be cautious while dealing with this chemical. It is harmful by inhalation, in contact with skin and if swallowed. Therefore, you had better take the following instructions: Do not breathe dust; Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. 

You can still convert the following datas into molecular structure:
(1)SMILES: O=[Sn](C)C
(2)InChI: InChI=1/2CH3.O.Sn/h2*1H3;;/rC2H6OSn/c1-4(2)3/h1-2H3
(3)InChIKey: WNVQCJNZEDLILP-FCPKZDIOAY

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 100mg/kg (100mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#03809,

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