F1635

Formaldehyde solution

contains 10-15% methanol as stabilizer, 37 wt. % in H₂O

• Synonym(s): Formalin
• Linear Formula: HCHO
• CAS Number: 50-00-0
• Molecular Weight: 30.03
• Beilstein: 1209228
• MDL number: MFCD00003274
• UNSPSC Code: 12352114
• PubChem Substance ID: 329799685
• NACRES: NA.21

Properties

• vapor density: 1.03 (vs air)
• vapor pressure: 52 mmHg ( 37 °C)
• form: liquid
• autoignition temp.: 572 °F
• contains: 10-15% methanol as stabilizer
• concentration: 37 wt. % in H₂O; 37-38%
• technique(s): tissue processing: suitable
• impurities: ≤0.03% free acid (as HCOOH)
• color: APHA: ≤10
• pH: 2.8-4.0
• bp: 97 °C
• mp: -15 °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

Description

General description

This product is 37wt% solution of formaldehyde in water. It contains 10-15% methanol as stabilizer.

Application

Formaldehyde solution has been used to prepare formaldehyde fixation/permeabilization solution that is employed to fix tissue samples.

Biochem/physiol Actions

Induces tumors in the nasal epithelium of rats, and is suspected to be a human carcinogen. Potent mutagen.

Safety Information

• Pictograms: GHS02,GHS06,GHS08,GHS05
• Signal Word: Danger
• Hazard Statements: H226,H301 + H311,H314,H317,H330,H335,H341,H350,H370
• Precautionary Statements: P202 - P210 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 133.0 °F - closed cup
• Flash Point(C): 56.11 °C - closed cup