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Basic Information
CAS No.: 73940-86-0
Name: Cyanatotrimethylstannane
Molecular Structure:
Molecular Structure of 73940-86-0 (Cyanatotrimethylstannane)
Formula: C4H9NOSn
Molecular Weight: 205.83
Synonyms: Cyanic acid,trimethylstannyl ester;Trimethyltin cyanate;Stannane,cyanatotrimethyl;
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Hazard Symbols: A poison. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg/m3 (skin)
Safety: Poison by intravenous route. When heated to decomposition it emits toxic fumes of NOx and Sn.

Analytical Methods:

   

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

PSA: 44.02000
LogP: 0.83208
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Chemistry

Empirical Formula of Trimethyltin cyanate (CAS NO.73940-86-0): C4H10NOSn
Molecular Weight: 206.8383 g/mol
Structure of Trimethyltin cyanate (CAS NO.73940-86-0):
                      
IUPAC Name: Trimethylstannyl cyanate
Canonical SMILES: C[Sn](C)(C)OC#N
InChI: InChI=1S/CHNO.3CH3.Sn/c2-1-3;;;;/h3H;3*1H3;/q;;;;+1/p-1
InChIKey: UZCAYSISODUGCW-UHFFFAOYSA-M

Toxicity Data With Reference

1.    

ivn-mus LD50:5600 µg/kg

     CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#06276 .

Safety Profile

Poison by intravenous route. When heated to decomposition Trimethyltin cyanate (CAS NO.73940-86-0) emits toxic fumes of NOx and Sn.

Standards and Recommendations

OSHA PEL: TWA 0.1 mg(Sn)/m3 (skin)
ACGIH TLV: TWA 0.1 mg(Sn)/m3; STEL 0.2 mg/m3 (skin)
NIOSH REL: (Organotin Compound) 10H TWA 0.1 mg(Sn)/m3

Analytical Methods

For occupational chemical analysis use NIOSH: Organotin Compounds 5504.

Specification

 Trimethyltin cyanate , its cas register number is 73940-86-0. It also can be called Cyanic acid, trimethylstannyl ester ; and Stannane, cyanatotrimethyl- .