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15512

Formaldehyde solution

≥34.5 wt. in H₂O, solution, meets analytical specification of USP, contains 9-15% methanol as stabilizer (to prevent polymerization)

Synonym(s):

Formalin

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About This Item

Linear Formula:
HCHO
CAS Number:
50-00-0
Molecular Weight:
30.03
UNSPSC Code:
12352114
eCl@ss:
39021101
PubChem Substance ID:
57647382
NACRES:
NA.21
Beilstein/REAXYS Number:
1209228
MDL number:
MFCD00003274
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Product Name

Formaldehyde solution, meets analytical specification of USP, ≥34.5 wt. %

vapor density

1.03 (vs air)

Quality Segment

vapor pressure

52 mmHg ( 37 °C)

autoignition temp.

572 °F

quality

meets analytical specification of USP

contains

9.0-15.0% methanol as stabilizer (GC)

concentration

≥34.5 wt. %, 25-50%

impurities

acidic reac. substances, complies, residual solvents, complies

ign. residue

≤0.01% (as SO4)

density

1.09 g/mL at 25 °C (lit.)

suitability

corresponds for identity

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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.

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.

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.

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Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3

Target Organs

Eyes,Central nervous system, Respiratory system

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point (°F)

143.6 °F - closed cup

Flash Point (°C)

62 °C - closed cup

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