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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:
1209228
MDL number:
MFCD00003274
UNSPSC Code:
12161700
PubChem Substance ID:
329749307

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

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

Signal Word

Danger

Hazard Statements

H317,H332,H341,H350

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Jing Lu et al.
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
Shona Kalkman et al.
American journal of clinical pathology, 142(1), 16-22 (2014-06-14)
A systematic review of the literature was performed to identify whether minimum formalin fixation time may be reduced for reliable immunohistochemical assessment of estrogen receptor (ER), progesterone receptor (PR), and human epidermal growth factor receptor 2 (HER2). PubMed, EMBASE, and
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The American journal of surgical pathology, 38(8), 1071-1078 (2014-04-08)
In patients with invasive breast carcinoma, estrogen receptor α (ERα) and progesterone receptor (PR) expressions need to be assessed in core-needle biopsies (CNBs) before the start of neoadjuvant systemic treatment. Current guidelines recommend a minimum formalin fixation time of 6
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