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11-0705

Sigma-Aldrich

Formaldehyde neutral buffer solution

3.7% formaldehyde in H2O

Synonym(s):

Formaldehyde solution, Formalin

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About This Item

Linear Formula:
HCHO
CAS Number:
50-00-0
Molecular Weight:
30.03
Beilstein/REAXYS Number:
1209228
MDL number:
MFCD00003274
UNSPSC Code:
12161700
PubChem Substance ID:
329749307
vapor pressure:
52 mmHg ( 37 °C)

vapor density

1.03 (vs air)

vapor pressure

52 mmHg ( 37 °C)

form

liquid

autoignition temp.

572 °F

availability

available only in Japan

concentration

3.7% formaldehyde in H2O

dilution

(for analytical testing)

pH

7.10-7.30 (20 °C)

density

1.09 g/mL at 25 °C (lit.)

SMILES string

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2

InChI key

WSFSSNUMVMOOMR-UHFFFAOYSA-N

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Carc. 1B - Muta. 2 - Skin Sens. 1

Storage Class

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
U5343
L1330
L1326
L1325
L6262

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Biochimica et biophysica acta, 1830(8), 4102-4116 (2013-05-01)
Chronic formaldehyde exposure leads to memory impairment and abnormal elevation of endogenous formaldehyde has been found in the brains of Alzheimer's disease (AD) patients. Hyperphosphorylated Tau protein with subsequent aggregates as neurofibrillary tangles (NFTs) is one of the typical pathological
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