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31669

Sigma-Aldrich

Tin(II) chloride dihydrate

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

Synonym(s):

Stannous chloride dihydrate

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About This Item

Linear Formula:
SnCl2 · 2H2O
CAS Number:
10025-69-1
Molecular Weight:
225.65
EC Number:
231-868-0
MDL number:
MFCD00149863
UNSPSC Code:
12352302
PubChem Substance ID:
329753876
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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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Hedieh Saffari et al.
Mayo Clinic proceedings, 95(3), 449-458 (2020-03-07)
To determine if heparin labeled with 99mTechnetium (99mTc) could be an imaging probe to detect eosinophil-related inflammation in eosinophilic esophagitis and to determine the biodistribution and radiation dosimetry of 99mTc-heparin oral administration using image-based dosimetry models with esophageal modeling. Freshly
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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