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Merck
CN

31669-M

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:
Molecular Weight:
225.65
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-868-0
MDL number:
Assay:
≥98%
Form:
fine crystals
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agency

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

grade

ACS reagent, puriss. p.a.

assay

≥98%

form

fine crystals

impurities

≤0.005% insoluble in hydrochloric acid, ≤0.01% other heavy metals (as Pb), ≤0.05% subst. not precip. by H2S (SO4), ≤20 mg/kg ammonium (NH4)

bp

652 °C (lit.)

mp

37-38 °C (dec.) (lit.)

anion traces

sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤0.0001%, Ca: ≤0.005%, Cu: ≤0.001%, Fe: ≤0.002%, K: ≤0.005%, Mg: ≤0.005%, Mn: ≤0.0005%, Na: ≤0.005%, Ni: ≤0.0005%, Pb: ≤0.005%

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

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.


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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

8B - Non-combustible corrosive hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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