252549

Formaldeide

ACS reagent, 37 wt. % in H₂O, contains 10-15% Methanol as stabilizer (to prevent polymerization)

• Sinonimo/i: Formalina
• Formula condensata: HCHO
• Numero CAS: 50-00-0
• Peso molecolare: 30.03
• Beilstein: 1209228
• Numero MDL: MFCD00003274
• Codice UNSPSC: 12352114
• ID PubChem: 24855218
• NACRES: NA.21

Proprietà

• Grado: ACS reagent
• Livello qualitativo: 200
• Densità del vapore: 1.03 (vs air)
• Tensione di vapore: 52 mmHg ( 37 °C); 52 mmHg ( 37 °C)
• Forma fisica: liquid
• Temp. autoaccensione: 572 °F
• contiene: 10-15% Methanol as stabilizer (to prevent polymerization)
• Concentrazione: 36.5-38.0%; 37 wt. % in H₂O
• Impurezze: ≤0.006 meq/g Titr. acid
• Residuo alla calcinazione: ≤0.005%
• Colore: APHA: ≤10
• Indice di rifrazione: n20/D 1.3765
• Densità: 1.09 g/mL at 25 °C (lit.)
• Anioni in tracce: chloride (Cl^-): ≤5 ppm; sulfate (SO₄^2-): ≤0.002%
• Cationi in tracce: Fe: ≤5 ppm; heavy metals: ≤5 ppm (by ICP-OES)
• Compatibilità: suitable for manufacturing use (Laboratory chemicals)
• Stringa SMILE: [H]C([H])=O
• InChI: 1S/CH2O/c1-2/h1H2; WSFSSNUMVMOOMR-UHFFFAOYSA-N

Descrizione

Descrizione generale

Formaldehyde (formalin) is produced by oxidation of methanol. It is made of 37% formaldehyde and impurities such as methanol, small amounts of formic acid, aldehydes and ketones. It is used as a denaturant in formaldehyde-agarose gel electrophoresis of RNA.

Applicazioni

Formaldehyde solution has been used as a fixing agent to fix cells during immunofluorescence imaging and for cross-linking cells during chromatin immunoprecipitation (ChIP) assay.

Formaldehyde solution has been used for cross-linking/fixing of cells in ChIP (chromatin immunoprecipitation) assay. It has been used for fixing of cells for imaging.

Stato fisico

This product is a solution of approximately 37% by weight of formaldehyde gas in water.

Informazioni sulla sicurezza

• Pittogrammi: GHS02,GHS06,GHS08,GHS05
• Avvertenze: Danger
• Indicazioni di pericolo: H226,H301 + H311,H314,H317,H330,H335,H341,H350,H370
• Consigli di prudenza: P202 - P210 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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): 132.8 °F - closed cup
• Punto d’infiammabilità (°C): 56 °C - closed cup