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Formaldehyde solution

SIAL/15512 - meets analytical specification of USP, ≥34.5 wt. %

Synonym: Formalin

CAS Number: 50-00-0
Empirical Formula (Hill Notation): CH2O
Molecular Weight: 30.03
MDL Number: MFCD00003274
Linear Formula: HCHO
Product Type: Chemical

Catalog Number PKG Qty. Price Quantity
45-15512-1L-R 1 L
$71.90
1/EA
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45-15512-2.5L-R 2.5 L
$125.00
1/EA
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45-15512-5L-R 5 L
$199.00
1/EA
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autoignition temp. 572 °F
concentration ≥34.5 wt. %
  25-50%
contains 9.0-15.0% methanol as stabilizer (GC)
density 1.09 g/mL at 25 °C (lit.)
ign. residue ≤0.01% (as SO4)
impurities acidic reac. substances, complies
  residual solvents, complies
InChI 1S/CH2O/c1-2/h1H2
InChI key WSFSSNUMVMOOMR-UHFFFAOYSA-N
quality meets analytical specification of USP
Quality Level 200 
SMILES string [H]C([H])=O
suitability corresponds for identity
vapor density 1.03 (vs air)
vapor pressure 52 mmHg ( 37 °C)
Application: Formaldehyde solution was used to prepare the formaldehyde stock solution for the development of transparent sol-gels with entrapped sensitive and selective reagents for the detection of formaldehyde in air. It may be used in the preparation of nanocrystalline metal (Cu, Hg, Zn, Bi, Pb) sulfides having different shapes and different particle sizes.
General description: Formaldehyde solution commercially formaldehyde solution is an aqueous solution containing 37% formaldehyde and 8-10% methanol. Formaldehyde solution can be activated by adding the catalytic amount of lanthanide triflate. This activated formaldehyde solution was employed for the smooth hydroxymethylation reaction of silyl enol ethers. Formaldehyde solution reacts with silyl enol ethers to afford the corresponding hydroxymethylated adducts in high yields.
Other Notes: The article number 15512-4X2.5L-R will be discontinued. Please order the single bottle 15512-2.5L-R which is physically identical with the same exact specifications.
The article number 15512-6X1L-R will be discontinued. Please order the single bottle 15512-1L-R which is physically identical with the same exact specifications.
Density 1.09 g/mL at 25 °C (lit.)
UNSPSC 12352114

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