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47608

Sigma-Aldrich

Formaldeide

for molecular biology, BioReagent, ≥36.0% in H2O (T)

Sinonimo/i:

Formalina

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About This Item

Formula condensata:
HCHO
Numero CAS:
50-00-0
Peso molecolare:
30.03
Beilstein:
1209228
Numero MDL:
MFCD00003274
Codice UNSPSC:
12352114
ID PubChem:
329757328
NACRES:
NA.52

Grado

for molecular biology

Livello qualitativo

100

Densità del vapore

1.03 (vs air)

Tensione di vapore

52 mmHg ( 37 °C)

Nome Commerciale

BioReagent

Forma fisica

liquid

Temp. autoaccensione

572 °F

contiene

~10% methanol as stabilizer

Concentrazione

≥36.0% in H2O (T)
36.0-38.0% (aldehyde method)

tecniche

electrophoresis: suitable

Impurezze

≤0.03% free acid (as HCOOH)

Residuo alla calcinazione

≤0.05% (as SO4)

pH

2.8-4.0

Densità

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

Anioni in tracce

chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤20 mg/kg

Cationi in tracce

Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Na: ≤100 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/mL

λ

2 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

Compatibilità

in accordance for electrophoresis of RNA in agarose gels

Temperatura di conservazione

room temp

Stringa SMILE

[H]C([H])=O

InChI

1S/CH2O/c1-2/h1H2
WSFSSNUMVMOOMR-UHFFFAOYSA-N

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Descrizione generale

Formaldehyde is a molecular biology reagent that denaturates RNA during electrophoresis when incorporated in agarose gels.
It is an aliphatic aldehyde that is widely used in industrial applications for the synthesis of several chemicals such as melamine formaldehyde, urea-formaldehyde, phenol formaldehyde and industrial resins, paraformaldehyde, polyols, chelating agents, slow release fertilizers, 1,4-butanediol and hexamethylenetetramine.

Applicazioni

Formaldehyde solution is suitable for:
  • denaturation and separation of RNA molecules
  • anti-bacterial treatment
  • fixation of cells
Formaldehydesolution has been used:
  • in the fixation of human spermatogonial stem cell transplantation (SSCT).
  • to crosslink T- cell acute lymphoblastic leukemia protein/DNA complex during chromatin immunoprecipitation.
  • in fixing zebra fish larvae for neutrophil staining.

Avvertenza

may contain precipitate (paraformaldehyde)

Principio

Formaldehyde disrupts the secondary structure of RNA and allows separation and identification of RNA species based on charge migration.

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Avvertenze

Danger

Classi di pericolo

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

Organi bersaglio

Eyes,Central nervous system, Respiratory system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

133.0 °F - closed cup

Punto d’infiammabilità (°C)

56.11 °C - closed cup

Dispositivi di protezione individuale

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

Certificati d'analisi (COA)

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Jin Qian et al.
Virology, 474, 10-18 (2014-12-03)
Interferon-induced transmembrane (IFITM) proteins inhibit the entry of a large number of viruses. Not surprisingly, many viruses are refractory to this inhibition. In this study, we report that different strains of HIV and SIV are inhibited by human IFITM proteins
Y Jiang et al.
Oncogene, 34(50), 6079-6091 (2015-03-10)
Epstein-Barr virus (EBV) causes human lymphoid malignancies, and the EBV product latent membrane protein 1 (LMP1) has been identified as an oncogene in epithelial carcinomas such as nasopharyngeal carcinoma (NPC). EBV can epigenetically reprogram lymphocyte-specific processes and induce cell immortalization.
John N Griffin et al.
PLoS genetics, 11(3), e1005018-e1005018 (2015-03-11)
The production of ribosomes is ubiquitous and fundamental to life. As such, it is surprising that defects in ribosome biogenesis underlie a growing number of symptomatically distinct inherited disorders, collectively called ribosomopathies. We previously determined that the nucleolar protein, NOL11
Dannis G van Vuurden et al.
Neuro-oncology, 16(7), 946-959 (2014-01-29)
Glial brain tumors cause considerable mortality and morbidity in children and adults. Innovative targets for therapy are needed to improve survival and reduce long-term sequelae. The aim of this study was to find a candidate tumor-promoting protein, abundantly expressed in
Kerstin Hahn et al.
PloS one, 10(11), e0141824-e0141824 (2015-11-12)
Clinical, pathological and genetic examination revealed an as yet uncharacterized juvenile-onset neuroaxonal dystrophy (NAD) in Spanish water dogs. Affected dogs presented with various neurological deficits including gait abnormalities and behavioral deficits. Histopathology demonstrated spheroid formation accentuated in the grey matter
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