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Merck

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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1 L

₪298.00

2.5 L

₪598.00

5 L

₪904.00

25 KG

₪1,315.00

₪298.00


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About This Item

Linear Formula:
HCHO
CAS Number:
Molecular Weight:
30.03
UNSPSC Code:
12352114
eCl@ss:
39021101
PubChem Substance ID:
NACRES:
NA.21
Beilstein/REAXYS Number:
1209228
MDL number:

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Product Name

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

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

vapor density

1.03 (vs air)

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

Quality Level

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This Item
47608252549F1635
Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

density

1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 20 °C, 1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

vapor pressure

52 mmHg ( 37 °C)

autoignition temp.

572 °F

autoignition temp.

572 °F

autoignition temp.

572 °F

autoignition temp.

572 °F

quality

meets analytical specification of USP

quality

-

quality

-

quality

-

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.[1] It may be used in the preparation of nanocrystalline metal (Cu, Hg, Zn, Bi, Pb) sulfides having different shapes and different particle sizes.[2]

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.[3] Formaldehyde solution reacts with silyl enol ethers to afford the corresponding hydroxymethylated adducts in high yields.[4]

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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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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Microwave synthesis of nanocrystalline metal sulfides in formaldehyde solution.
Liao X-H, et al.
Materials Science and Engineering, B, 85(1), 85-89 (2001)
Lanthanide Trifluoromethanesulfonates as Stable Lewis Acids in Aqueous Media. Yb (OTf)3 Catalyzed Hydroxymethylation Reaction of Silyl Enol Ethers with Commercial Formaldehyde Solution.
Kobayashi S.
Chemistry Letters (Jpn), 12, 2187-2190 (1991)
Lanthanide triflates as water-tolerant Lewis acids. Activation of commercial formaldehyde solution and use in the aldol reaction of silyl enol ethers with aldehydes in aqueous media.
Kobayashi S and Hachiya I.
The Journal of Organic Chemistry, 59(13), 3590-3596 (1994)
Opas Bunkoed et al.
Analytica chimica acta, 659(1-2), 251-257 (2010-01-28)
We report the development of transparent sol-gels with entrapped sensitive and selective reagents for the detection of formaldehyde. The sampling method is based on the adsorption of formaldehyde from the air and reaction with beta-diketones (for example acetylacetone) in a
Cindy S Ma et al.
The Journal of experimental medicine, 205(7), 1551-1557 (2008-07-02)
Hyper-immunoglobulin E syndrome (HIES) is a primary immune deficiency characterized by abnormal and devastating susceptibility to a narrow spectrum of infections, most commonly Staphylococcus aureus and Candida albicans. Recent investigations have identified mutations in STAT3 in the majority of HIES

Questions

  1. What is the storage conditions of Formaldehyde solution 15512-1L-R STBL0225

    1 answer
    1. This product may be stored at room temperature. For products with no specified storage temperature given on the label or product page, ambient storage may be assumed. Products that require controlled temperature storage, such as refrigeration or freezer conditions, storage temperatures are published on the product label, Certificate of Analysis, and the Safety Data Sheet (SDS).

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