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HomeProduct name listDibutyltin dichloride

Dibutyltin dichloride

Synonym(s):Dibutyldichlorostannane, Dibutyldichlorotin;Dibutyldichlorotin;Dibutyltin dichloride

  • CAS NO.:683-18-1
  • Empirical Formula: C8H18Cl2Sn
  • Molecular Weight: 303.84
  • MDL number: MFCD00000518
  • EINECS: 211-670-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
Dibutyltin dichloride Structural

What is Dibutyltin dichloride?

Chemical properties

Dibutyltin dichloride is a white to beige crystalline low melting mass. soluble in organic solvents such as benzene, toluene, ether and alcohols. It is difficult to dissolve in water. Decomposition (hydrolysis) occurs in hot water. Dibutyltin dichloride is flammable, low volatile and has a pungent odor.

The Uses of Dibutyltin dichloride

Dibutyltin dichloride is used as an organotin intermediate. It serves as heat and light stabilizer for polyvinyl chloride plastics. It is also used in the preparation of methyl 2-(methoxycarbonylmethyl)-5-iodobenzene by reacting with 2,5-diiodobenzoic acid. It acts as an esterification catalyst and a veterinary vermicide and tapeworm remedy. Further, it is used as ion exchange agent, process regulators and processing aids.

Preparation

Dibutyltin dichloride is manufactured from crude tetrabutyltin and tin tetrachloride and is usually catalysed with aluminium trichloride (Blunden & Evans, 1989; Gaver, 1997; Thoonen et al., 2001)

Safety Profile

Poison by ingestion, intravenous, and intraperitoneal routes. Moderately toxic by skin contact. A severe skin and eye irritant. Experimental reproductive effects. Mutation data reported. See also TIN COMPOUNDS. Combustible when exposed to heat or flame. A dangerous material; emits highly toxic fumes of HCl; wdl react with water or steam to produce heat and toxic fumes; can react vigorously with oxidizing materials. To Poison by ingestion, intravenous, and intraperitoneal routes. Moderately toxic by skin contact. A severe skin and eye irritant. Experimental reproductive effects. Mutation data reported. See also TIN COMPOUNDS. Combustible when exposed to heat or flame. A dangerous material; emits highly toxic fumes of HCl; wdl react with water or steam to produce heat and toxic fumes; can react vigorously with oxidizing materials. Tofight fue, use water, foam, CO2, dry chemical.

Properties of Dibutyltin dichloride

Melting point: 39 °C
Boiling point: 135 °C10 mm Hg(lit.)
Density  1.4
vapor pressure  0.0016 hPa (25 °C)
refractive index  1.4991
Flash point: >230 °F
storage temp.  Store below +30°C.
solubility  0.32g/l
form  Crystalline
color  White
Specific Gravity 1.36
Water Solubility  320 mg/L, hydrolises in hot water
Sensitive  Moisture Sensitive
BRN  3535484
Exposure limits ACGIH: TWA 0.1 mg/m3; STEL 0.2 mg/m3 (Skin)
NIOSH: IDLH 25 mg/m3; TWA 0.1 mg/m3
CAS DataBase Reference 683-18-1(CAS DataBase Reference)
NIST Chemistry Reference Di-n-butyltindichloride(683-18-1)
EPA Substance Registry System Dibutyltin dichloride (683-18-1)

Safety information for Dibutyltin dichloride

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H301:Acute toxicity,oral
H312:Acute toxicity,dermal
H314:Skin corrosion/irritation
H317:Sensitisation, Skin
H330:Acute toxicity,inhalation
H341:Germ cell mutagenicity
H370:Specific target organ toxicity, single exposure
H372:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Dibutyltin dichloride

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