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31669

Sigma-Aldrich

Tin(II) chloride dihydrate

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥98%

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Synonym(s):
Stannous chloride dihydrate
Linear Formula:
SnCl2 · 2H2O
CAS Number:
Molecular Weight:
225.65
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent
puriss. p.a.

Agency

USP/NF
reag. ISO
reag. Ph. Eur.

Assay

≥98%

form

fine crystals

impurities

≤0.002% ammonium (NH4)
≤0.005% insoluble in hydrochloric acid
≤0.01% other heavy metals (as Pb)
≤0.05% subst. not precip. by H2S (SO4)

bp

652 °C (lit.)

mp

37-38 °C (dec.) (lit.)

anion traces

sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤1 mg/kg
Ca: ≤50 mg/kg
Cu: ≤10 mg/kg
Fe: ≤20 mg/kg
K: ≤50 mg/kg
Mg: ≤50 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤50 mg/kg

SMILES string

O.O.Cl[SnH2]Cl

InChI

1S/2ClH.2H2O.Sn/h2*1H;2*1H2;/q;;;;+2/p-2

Inchi Key

FWPIDFUJEMBDLS-UHFFFAOYSA-L

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1 of 4

This Item
2435234747621.07815
Tin(II) chloride dihydrate puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥98%

Sigma-Aldrich

31669

Tin(II) chloride dihydrate

Essential Grade
Tin(II) chloride dihydrate ACS reagent, 98%

Sigma-Aldrich

243523

Tin(II) chloride dihydrate

Essential Grade
Tin(II) chloride dihydrate for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Supelco

1.07815

Tin(II) chloride dihydrate

-
assay

≥98%

assay

98%, 98.0-103.0% (ACS specification)

assay

≥99.97% trace metals basis

assay

98.0-103.0% (SnCl2.2H2O basis, iodometric)

form

fine crystals

form

powder or crystals

form

-

form

solid

impurities

≤0.002% ammonium (NH4), ≤0.005% insoluble in hydrochloric acid, ≤0.01% other heavy metals (as Pb), ≤0.05% subst. not precip. by H2S (SO4)

impurities

-

impurities

-

impurities

≤0.05% Substances not precipitated with H2S (as sulphates)

mp

37-38 °C (dec.) (lit.)

mp

37-38 °C (dec.) (lit.)

mp

37-38 °C (dec.) (lit.)

mp

38 °C (anhydrous substance)

anion traces

sulfate (SO42-): ≤20 mg/kg

anion traces

sulfate (SO42-): passes test (lim. ~0.003%)

anion traces

-

anion traces

sulfate (SO42-): ≤0.002%

General description

Tin(II) chloride dihydrate is the hydrated salt of tin(II). Its crystals are monoclinic and their structure has been investigated by single crystal X-ray diffraction method. Cell parameters were reported to be: a=9.313, b=7.250, c=8.970Å, β=114°55′ and Z=4.

Application

Tin(II) chloride dihydrate may be used in the following studies:
  • Synthesis of indoles.
  • Preparation of aldehydes.
  • As Lewis acid catalyst for the synthesis of 3-aminoimidazo[1,2-a]pyridines, via multi-component reactions.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Oral - STOT SE 3

Target Organs

Cardio-vascular system, Respiratory system

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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An X-Ray Redetermination of the Crystal Structure of Tin (II) Chloride Dihydrate.
Kiriyama H, et al.
BuMed News Letter, 46(5), 1389-1395 (1979)
Anupam Bandyopadhyay et al.
Organic & biomolecular chemistry, 8(21), 4855-4860 (2010-08-25)
A facile synthetic route for the preparation of N-protected γ-amino β-keto esters from amino aldehydes and ethyl diazoacetate is described. The two component coupling is facilitated by tin(II) chloride followed by semipinacol rearrangement leading to the product in quantitative yield.
Tin (II) chloride dihydrate: A mild and efficient reagent for cleaving acetals.
Ford KL and Roskamp EJ.
Tetrahedron Letters, 33(9), 1135-1138 (1992)
Tin (II) Chloride Dihydrate Catalyzed Groebke Condensation: An Efficient Protocol for the Synthesis of 3-Aminoimidazo[1,2-a]pyridines.
Shaabani A, et al.
Chin. J. Chem., 27(2), 369-371 (2009)

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