Merck
All Photos(2)

47670

Sigma-Aldrich

Formamide

puriss. p.a., ACS reagent, ≥99.5% (GC/T)

Synonym(s):
Amide C1, Formic amide
Linear Formula:
HCONH2
CAS Number:
Molecular Weight:
45.04
Beilstein:
505995
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

grade

ACS reagent
puriss. p.a.

vapor density

1.55 (vs air)

vapor pressure

0.08 mmHg ( 20 °C)
30 mmHg ( 129 °C)

assay

≥99.5% (GC/T)

form

liquid

autoignition temp.

932 °F

expl. lim.

2.7-19 %

technique(s)

PCR: suitable

impurities

≤0.02% free acid (as HCOOH)
≤0.1% water

refractive index

n20/D 1.447 (lit.)
n20/D 1.447

pH

4-10 (20 °C, 200 g/L)

bp

210 °C (lit.)

mp

2-3 °C (lit.)

transition temp

transition temp 2.0-3.0 °C

density

1.132 g/mL at 20 °C
1.134 g/mL at 25 °C (lit.)

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: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg

suitability

in accordance for miscibility

SMILES string

NC=O

InChI

1S/CH3NO/c2-1-3/h1H,(H2,2,3)

InChI key

ZHNUHDYFZUAESO-UHFFFAOYSA-N

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General description

Formamide is a colorless organic solvent. It has been reported to increase the precision of PCR (Polymerase Chain Reaction) studies. Microwave spectral study of its isotopic forms suggests that the molecule of formamide is nonplanar in which the H2N-C group exhibits a shallow pyramid like structure.

Packaging

1, 2.5 L in glass bottle
4×25, 250 mL in glass bottle

Application

Formamide destabilizes nucleic acid duplexes and may be used, typically, at a concentration of 50%, in hybridization protocols requiring lower hybridization temperatures.

Pictograms

Health hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Carc. 2 - Repr. 1B - STOT RE 2 Oral

Target Organs

Blood

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 1

Flash Point(F)

305.6 °F

Flash Point(C)

152 °C

Certificate of Analysis

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Certificate of Origin

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