Formamide

产品介绍：

产品说明

一般描述

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.

应用

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。

分析说明

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 %

法律信息

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

基本信息

线性分子式	HCONH₂
分子量	45.04
Beilstein	505995
MDL编号	MFCD00007941
EC索引号	200-842-0

产品性质

质量水平	300
蒸汽密度	1.55 (vs air)
蒸汽压	0.08 mmHg ( 20 ℃) 30 mmHg ( 129 ℃)
测定	≥99.2% (N)
形式	liquid
自燃温度	932 °F
效能	5325 mg/kg LD₅₀, oral (Rat) 17000 mg/kg LD₅₀, skin (Rabbit)
expl. lim.	2.7-19.0 % (v/v)
technique(s)	hybridization: suitable
杂质	≤1 ppm Cd (Cadmium) ≤1 ppm Chloride (Cl) ≤1 ppm Cu (Copper)
颜色	clear APHA: ≤10
折射率	n20/D 1.447 (lit.)
pH值(酸碱度)	8-10 (20 ℃, 200 g/L in H₂O)
bp	210 ℃ (lit.)
mp	2-3 ℃ (lit.)
转变温度	flash point 175 ℃
密度	1.134 g/mL at 25 ℃ (lit.)
储存温度	15-25℃
SMILES string	NC=O
InChI	1S/CH3NO/c2-1-3/h1H,(H2,2,3)
InChI key	ZHNUHDYFZUAESO-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Danger
危险声明	H351 - H360D - H373
预防措施声明	P201 - P202 - P260 - P280 - P308 + P313 - P405
危险分类	Carc. 2 - Repr. 1B - STOT RE 2 Oral
靶器官	Blood
储存分类代码	6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK	WGK 1
闪点(F)	305.6 °F
闪点(C)	152 ℃