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| CAS No.: | 56-24-6 | |
|---|---|---|
| Name: | TRIMETHYLTIN HYDROXIDE | |
| Molecular Structure: | ||
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|
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| Formula: | C3H10 O Sn | |
| Molecular Weight: | 180.822 | |
| Synonyms: | Tin,hydroxytrimethyl- (7CI); Trimethyltin hydroxide (6CI);Hydroxytrimethylstannane; Hydroxytrimethyltin; Trimethylhydroxytin;Trimethylstannanol; Trimethylstannyl hydroxide | |
| Density: | g/cm3 | |
| Melting Point: | 118°C | |
| Boiling Point: | 80°C | |
| Flash Point: | °C | |
| Solubility: | Soluble in water. | |
| Hazard Symbols: | A poison. TWA 0.1 mg(Sn)/m3; STEL 0.2 mg(Sn)/m3 (skin). | |
| Risk Codes: | T+:Very toxic; ">  T+:Very toxic; |
|
| Safety: | Poison by subcutaneous route. When heated to decomposition it emits acrid smoke and irritating fumes. See also TIN COMPOUNDS. | |
Analytical Methods: | For occupational chemical analysis use NIOSH: Organotin Compounds 5504. |
|
| PSA: | 20.23000 | |
| LogP: | 0.81360 | |
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- 27640-06-8
(CH3)3SnCH2C6H4-m-Cl
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With sodium hydroxide In ethanol; water byproducts: m-chlorotoluene; refluxing for 52 h;; | 85% |
| With NaOH In ethanol; water byproducts: m-chlorotoluene; refluxing for 52 h;; | 85% |
| In methanol; deuteromethanol byproducts: m-chlorotoluene; alkaline decompn. at 50°C;; | |
| In methanol; deuteromethanol byproducts: m-chlorotoluene; alkaline decompn. at 50°C;; |
- 1692-18-8
bis(trimethyltin)oxide
- 74-86-2
acetylene
A
- 1112-00-1
trimethylstannylacetylene
B
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| at 8-12 atm in a sealed tube;; | A 65.5% B n/a |
- 697-91-6
2,6-dichloro-1,4-benzoquinone
- 661-69-8
hexamethyldistannane
A
- 76279-09-9
C6Cl2H2(OSn(CH3)3)2
B
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| In benzene keeping at room temp. (N2) for 4 d; various yields in various conditions; evapn.; elem. anal.; | A 63% B n/a |
- 7029-29-0
tris(trimethylstannyl)stibine
A
- 1692-18-8
bis(trimethyltin)oxide
B
- 68354-51-8
tetrakis(trimethylstannyl)distibane
C
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With oxygen In neat (no solvent) stibane left in air for 3 d; suspending in Ar-satd. acetone, decanting, recrystn. of red residue from toluene (2nd and 3rd product isolated from acetone suspn.); elem. anal.; | A n/a B 47% C n/a |
- 16393-88-7
trimethyl(trimethylstannyl)silane
A
- 107-46-0
Hexamethyldisiloxane
B
- 661-69-8
hexamethyldistannane
C
- 1631-73-8
trimethylstannane
D
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With bromobenzene; calcium In water for 1h; Ambient temperature; Further byproducts given; | A 36% B 8% C 42% D 10% |
- 16393-88-7
trimethyl(trimethylstannyl)silane
A
- 107-46-0
Hexamethyldisiloxane
B
- 934-56-5
trimethyl(phenyl)stannane
C
- 661-69-8
hexamethyldistannane
D
- 1631-73-8
trimethylstannane
E
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With bromobenzene; water; calcium In gas Ca vaporized at 900°C in vac. (ca. 5E-3 Torr), Me3SiSnMe3 introduced as vapor, mixed vapor condensed on cold (77 K) walls, warmed to room temp., excess of C6H5Br admitted as vapor, left to stand for 1 h, hydrolyzed with water; org. layer extd. with ether, products identified by GC-MASS, GLC; | A 36% B 2% C 8% D 42% E 10% |
- 1066-44-0
trimethyltin bromide
A
- 7440-31-5
tin
B
- 594-27-4
tetramethylstannane
C
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With zinc In water | |
| With Zn In water |
| Conditions | Yield |
|---|---|
| With F(1-) or Cl(1-) or CN(1-) In water byproducts: C6F5H; | |
| With F(1-) or Cl(1-) or CN(1-) In ethanol; water byproducts: C6F5H; | |
| With NaF or NaOH In water byproducts: C6HF5; |
- 86108-56-7
2-(trimethylstannyl)-1-methylimidazole
A
- 616-47-7
1-methyl-1H-imidazole
B
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With water |
- 108202-42-2
((methyl)3tin)2C(CON(methyl)2)2
- 56-24-6
trimethyltin(IV) hydroxide
| Conditions | Yield |
|---|---|
| With water byproducts: N,N,N',N'-tetramethylmalondiamide; hydrolysis; |
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Chemistry
IUPAC Name: Trimethyl tin hydrate (56-24-6)
Synonyms: Trimethyltin hydrate ; Hydroxytrimethyl-stannan ; Hydroxytrimethylstannane ; Hydroxytrimethyl-ti ; Hydroxytrimethyltin ; Trimethylhydroxytin ; Trimethylstannanol
CAS: 56-24-6
Molecular Formula of Trimethyl tin hydrate (56-24-6): C3H10OSn
Molecular Weight of Trimethyl tin hydrate (56-24-6) :180.82
Molecular Structure of Trimethyl tin hydrate (56-24-6) :
Mol File: 56-24-6.mol
Flash Point: 25.8 °C
Enthalpy of Vaporization: 41.64 kJ/mol
Boiling Point: 119.1 °C at 760 mmHg
Melting point: 118°C
Vapour Pressure: 7.91 mmHg at 25°C
Toxicity Data With Reference
| 1. | scu-mus LDLo:1800 µg/kg | JPETAB Journal of Pharmacology and Experimental Therapeutics. 28 (1926),367. |
Safety Profile
Risk Statements 20/21/22
20/21/22: Trimethyl tin hydrate (56-24-6) is harmful by inhalation, in contact with skin and if swallowed
Safety Statements 22-36/37/39-45
22: Do not breathe dust
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
RIDADR 3146
HazardClass 6.1
PackingGroup III
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.