1.11670

Formic acid 98-100%

Suprapur^®

• Synonym(s): Formic acid, Methanoic acid, Formylic acid
• Linear Formula: HCOOH
• CAS Number: 64-18-6
• Molecular Weight: 46.03
• Beilstein: 1209246
• MDL number: MFCD00003297
• EC Index Number: 200-579-1

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• vapor density: 1.6 (vs air)
• vapor pressure: 44.8 mmHg ( 20 °C)
• Assay: ≥98% (acidimetric); 98-100%
• form: liquid
• autoignition temp.: 1004 °F
• expl. lim.: 12-38 % (v/v); 57 %
• technique(s): mass spectrometry (MS): suitable
• refractive index: n20/D 1.370 (lit.)
• pH: 2.2 (20 °C, 10 g/L in H₂O)
• bp: 100-101 °C (lit.); 101 °C/1013 hPa
• mp: 8.2-8.4 °C (lit.)
• transition temp: flash point 49.5 °C
• density: 1.22 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤1000 ppb; phosphate, phosphite (as PO₄^3-): ≤100 ppb; sulfate, sulfite (as SO₄^2-): ≤500 ppb
• cation traces: Ag: ≤0.5 ppb; Al: ≤5 ppb; As: ≤1 ppb; Au: ≤0.5 ppb; Ba: ≤1 ppb; Be: ≤0.5 ppb; Bi: ≤0.5 ppb; Ca: ≤10 ppb; Cd: ≤0.5 ppb; Co: ≤0.5 ppb; Cr: ≤1 ppb; Cu: ≤1 ppb; Fe: ≤5 ppb; Ga: ≤0.5 ppb; Ge: ≤0.5 ppb; Hg: ≤1 ppb; In: ≤0.5 ppb; K: ≤5 ppb; Li: ≤0.5 ppb; Mg: ≤2 ppb; Mn: ≤0.5 ppb; Mo: ≤0.5 ppb; Na: ≤5 ppb; Ni: ≤1 ppb; Pb: ≤1 ppb; Pd: ≤1 ppb; Pt: ≤1 ppb; Sb: ≤1 ppb; Sn: ≤0.5 ppb; Sr: ≤0.5 ppb; Ti: ≤0.5 ppb; Tl: ≤0.5 ppb; U: ≤0.5 ppb; V: ≤0.5 ppb; Zn: ≤5 ppb; Zr: ≤0.5 ppb
• SMILES string: OC=O
• storage temp.: 2-30°C
• InChI: 1S/CH2O2/c2-1-3/h1H,(H,2,3)
• InChI key: BDAGIHXWWSANSR-UHFFFAOYSA-N

Description

Linkage

Replaces: 11670-1; 11670

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS05,GHS06
• Signal Word: Danger
• Hazard Statements: H226 - H302 - H314 - H331
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
• Supplementary Hazards: EUH071
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 121.1 °F - closed cup
• Flash Point(C): 49.5 °C - closed cup