This product should be stored at ambient temperature in a tightly closed container, in a dry, well ventilated area away from heat and ignition sources. Provided that the material is stored properly and not contaminated, opening the bottle does impact the assigned expiry date.
47608
Formaldeído
Molecular Biology, BioReagent, ≥36.0% in H2O (T)
Sinônimo(s):
Formalina
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Sobre este item
Fórmula linear:
HCHO
Número CAS:
Peso molecular:
30.03
UNSPSC Code:
12352114
NACRES:
NA.52
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1209228
Grade:
Molecular Biology
Technique(s):
electrophoresis: suitable
Vapor pressure:
52 mmHg ( 37 °C)
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Molecular Biology
Quality Segment
vapor density
1.03 (vs air)
vapor pressure
52 mmHg ( 37 °C)
product line
BioReagent
form
liquid
autoignition temp.
572 °F
contains
~10% methanol as stabilizer
concentration
≥36.0% in H2O (T), 36.0-38.0% (aldehyde method)
technique(s)
electrophoresis: suitable
impurities
≤0.03% free acid (as HCOOH)
ign. residue
≤0.05% (as SO4)
pH
2.8-4.0
density
1.09 g/mL at 20 °C, 1.09 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤10 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
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
UV absorption
λ: 260 nm Amax: 0.01, λ: 280 nm Amax: 0.01
suitability
in accordance for electrophoresis of RNA in agarose gels
storage temp.
room temp
SMILES string
[H]C([H])=O
InChI
1S/CH2O/c1-2/h1H2
InChI key
WSFSSNUMVMOOMR-UHFFFAOYSA-N
General description
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.
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.
Application
Formaldehyde solution is suitable for:
- denaturation and separation of RNA molecules
- anti-bacterial treatment
- fixation of cells
- 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.
Biochem/physiol Actions
Formaldehyde disrupts the secondary structure of RNA and allows separation and identification of RNA species based on charge migration.
Disclaimer
may contain precipitate (paraformaldehyde)
1 of 1
Este Item | |||
|---|---|---|---|
| description Molecular Biology, BioReagent, ≥36.0% in H2O (T) | description Molecular Biology, 36.5-38% in H2O | description ACS reagent, 37 wt. % in H2O, contains 10-15% Methanol as stabilizer (to prevent polymerization) | description meets analytical specification of USP, ≥34.5 wt. % |
| technique(s) electrophoresis: suitable | technique(s) ChIP: suitable, immunofluorescence: suitable, immunohistochemistry: suitable | technique(s) - | technique(s) - |
| grade Molecular Biology | grade Molecular Biology | grade ACS reagent | grade - |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
| form liquid | form liquid | form liquid | form - |
| UV absorption λ: 260 nm Amax: 0.01, λ: 280 nm Amax: 0.01 | UV absorption - | UV absorption - | UV absorption - |
| vapor pressure 52 mmHg ( 37 °C) | vapor pressure 52 mmHg ( 37 °C) | vapor pressure 52 mmHg ( 37 °C) | vapor pressure 52 mmHg ( 37 °C) |
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Danger
Hazard Classifications
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
target_organs
Eyes,Central nervous system, Respiratory system
Classe de armazenamento
3 - Flammable liquids
wgk
WGK 3
flash_point_f
133.0 °F - closed cup
flash_point_c
56.11 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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