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Merck
CN

1.09684

甲酰胺

for analysis EMSURE®

别名:

甲酰胺(Formic acid amide, Methane amide), C1 酰胺, 氨基甲醛

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关于此项目

线性分子式:
HCONH2
化学文摘社编号:
分子量:
45.04
UNSPSC Code:
12191502
NACRES:
NB.21
EC Index Number:
200-842-0
MDL number:
Beilstein/REAXYS Number:
505995
Assay:
≥99.2% (N)
Grade:
reagent grade
Bp:
210 °C (lit.)
Vapor pressure:
0.08 mmHg ( 20 °C), 30 mmHg ( 129 °C)
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grade

reagent grade

Quality Level

vapor density

1.55 (vs air)

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)

dilution

(for analytical testing)

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

General description

EMSURE 等级的溶剂适用于广泛的经典实验室应用,并且常用于受监管且要求很高的实验室应用。EMSURE 提供全球最佳和最广泛的产品规格。在此声明,我们的EMSURE 系列产品符合ACS、欧洲药典(Reag.Ph Eur)试剂部分以及ISO标准。

Application

甲酰胺可使核酸双螺旋不稳定,通常可以 50% 的浓度,用于需要较低杂交温度的杂交实验。

Other Notes

EMSURE高纯试剂 - 纯上加纯!
探索各种实验室安全配件和设备,以安全处理溶剂,从一开始就提高您的安全水平。

Legal Information

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


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pictograms

Health hazard

signalword

Danger

Hazard Classifications

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

target_organs

Blood

wgk

WGK 1

flash_point_f

305.6 °F

flash_point_c

152 °C

存储类别

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



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实验方案

With the exception of prolin, amino acids are hardly soluble in alcohols. Therefore, only the adherent moisture can be determined by the direct volumetric method.

Summary application report for analysis of moisture in Confectionery

Foodstuffs often provide a challenge for the water determination by Karl-Fischer. Instant Coffee is such a sample matrix and its water content has influence on quality and shelf life.

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全球贸易项目编号

货号GTIN
109684100004022536117294
109684250004022536117317