Merck
All Photos(2)

1.11670

Supelco

Formic acid 98-100%

Suprapur®

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

grade

for inorganic trace analysis

Quality Level

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 PO43-): ≤100 ppb
sulfate, sulfite (as SO42-): ≤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

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Linkage

Replaces: 11670-1; 11670

Legal Information

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

Supplementary Hazards

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

Certificate of Analysis

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Certificate of Quality

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