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1.09684

Formamide

Name: Formamide
Brand: MM

for analysis EMSURE^®

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Synonym(s):

Formic acid amide, Methane amide, Amide C₁, Formic amide

Linear Formula:

HCONH₂

CAS Number:

75-12-7

Molecular Weight:

45.04

Beilstein:

505995

MDL number:

MFCD00007941

EC Index Number:

200-842-0

vapor density

1.55 (vs air)

Quality Level

300

vapor pressure

0.08 mmHg ( 20 °C)
30 mmHg ( 129 °C)

product line

EMSURE^®

Assay

≥99.2% (N)

form

liquid

autoignition temp.

932 °F

potency

5325 mg/kg LD₅₀, oral (Rat)
17000 mg/kg LD₅₀, skin (Rabbit)

expl. lim.

2.7-19.0 % (v/v)

technique(s)

hybridization: suitable

impurities

≤0.005% Sulfated ash (600 °C)
≤0.02% Formic acid
≤0.1% Ammonium Formate
≤0.1% Water (Karl Fischer)
≤1 ppm Cd (Cadmium)
≤1 ppm Chloride (Cl)
≤1 ppm Cu (Copper)

color

clear
APHA: ≤10

refractive index

n20/D 1.447 (lit.)

pH

8-10 (20 °C, 200 g/L in H₂O)

bp

210 °C (lit.)

mp

2-3 °C (lit.)

transition temp

flash point 175 °C

density

1.134 g/mL at 25 °C (lit.)

cation traces

Fe: ≤1 ppm
Pb: ≤1 ppm
Zn: ≤1 ppm

storage temp.

15-25°C

SMILES string

NC=O

InChI

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

InChI key

ZHNUHDYFZUAESO-UHFFFAOYSA-N

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Solvents

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Application

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

Analysis Note

Assay (N; Kjeldahl): ≥ 99.2 %
Identity (IR): passes test
Appearance: Clear, colorless liquid.
Colour (APHA): ≤ 10 APHA
Density (d 20 °C/ 4 °C): 1.132 - 1.135
Solidification point: 2.0 - 3.0 °C
Boiling point (2 kPa): about 103
Chloride (Cl): ≤ 1 ppm
Cd (Cadmium): ≤ 1 ppm
Cu (Copper): ≤ 1 ppm
Fe (Iron): ≤ 1 ppm
Pb (Lead): ≤ 1 ppm
Zn (Zinc): ≤ 1 ppm
Formic acid: ≤ 0.02 %
Ammonium Formate: ≤ 0.1 %
Sulfated ash (600 °C): ≤ 0.005 %
Water (according to Karl Fischer): ≤ 0.1 %

Legal Information

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

Pictograms

GHS08

Signal Word

Danger

Hazard Statements

H351 - H360D - H373

Precautionary Statements

P202 - P260 - P280 - P308 + P313 - P405 - P501

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

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Protocols

Determination of Water Content in Sugar Using Karl Fischer Titration

Summary application report for analysis of moisture in Sugar

Determination of Water Content in Mannitol, D-Sorbitol, Dulcitol Using Karl Fischer Titration

Foodstuffs encompass the most diverse products. Depending on whether carbohydrate-rich, fatty or proteinrich substances are under investigation, different working techniques are favourable. Complex matrices that dissolve slowly, or where the water can only be slowly extracted, necessitate the use of solubilisers.