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| CAS No.: | 2767-47-7 | |
|---|---|---|
| Name: | DIMETHYLTIN DIBROMIDE | |
| Molecular Structure: | ||
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| Formula: | C2H6 Br2 Sn | |
| Molecular Weight: | 308.588 | |
| Synonyms: | Dimethyltindibromide (6CI); Tin, dibromodimethyl- (7CI); Dibromodimethylstannane;Dibromodimethyltin; Dimethyldibromotin; Dimethylstannyl dibromide | |
| Melting Point: | 75-213oC | |
| Boiling Point: | 208-213°C | |
| Flash Point: | 208-213°C | |
| Solubility: | It hydrolyzes slowly in water. | |
| Hazard Symbols: | A poison. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin). | |
| Risk Codes: | R23/24/25; R34 | |
| Safety: | Poison by intravenous route. When heated to decomposition it emits toxic fumes of Br−. See also TIN COMPOUNDS and BROMIDES. | |
Analytical Methods: | For occupational chemical analysis use NIOSH: Organotin Compounds 5504. |
|
| PSA: | 0.00000 | |
| LogP: | 2.47800 | |
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Chemistry
Molecule structure of Dimethyltin bromide (CAS NO.2767-47-7):
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IUPAC Name: Dibromo(dimethyl)stannane
Molecular Weight: 308.58704 g/mol
Molecular Formula: C2H6Br2Sn
Melting Point: 75-77 °C(lit.)
Boiling Point: 146.5 °C at 760 mmHg
Flash Point: 42.4 °C
Enthalpy of Vaporization: 36.77 kJ/mol
Vapour Pressure: 5.85 mmHg at 25 °C
Sensitive: moisture sensitive
Exact Mass: 309.783775
MonoIsotopic Mass: 307.785822
Heavy Atom Count: 5
Complexity: 30.6
Canonical SMILES: C[Sn](C)(Br)Br
InChI: InChI=1S/2CH3.2BrH.Sn/h2*1H3;2*1H;/q;;;;+2/p-2
InChIKey: DOHQOGRRQASQAR-UHFFFAOYSA-L
Toxicity Data With Reference
| 1. | ivn-mus LD50:56,200 µg/kg | CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02289 . |
Safety Profile
Hazard Codes: 
T
Risk Statements: 23/24/25-34
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
R34:Causes burns.
Safety Statements: 26-27-28-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S27:Take off immediately all contaminated clothing.
S28:After contact with skin, wash immediately with plenty of soap-suds.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
RTECS: WH6883000
HazardClass: 6.1
PackingGroup: II
Poison by intravenous route. When heated to decomposition it emits toxic fumes of Br−. See also TIN COMPOUNDS and BROMIDES.
Analytical Methods:
For occupational chemical analysis use NIOSH: Organotin Compounds 5504.
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
Analytical Methods
For occupational chemical analysis use NIOSH: Organotin Compounds 5504.
Specification
Dimethyltin bromide (CAS NO.2767-47-7) is also named as Tin, dimethyl-, dibromide ; Stannane, dibromodimethyl- . Dimethyltin bromide (CAS NO.2767-47-7) is white crystalline powder.