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Formamide

Catalog No. 47671 Name Sigma Aldrich
CAS Number 75-12-7 Website http://www.sigmaaldrich.com
M. F. CH3NO Telephone 1-800-521-8956
M. W. 45.04062 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 103273

SYNONYMS

Title
甲酰胺
IUPAC name
formamide
IUPAC Traditional name
formamide
Synonyms
Formic amide
C1 酰胺
氨基甲醛
Amide C1

DATABASE IDS

Beilstein Number 505995
MDL Number MFCD00007941
PubChem SID 24871294
CAS Number 75-12-7
EC Number 200-842-0

PROPERTIES

Antion Traces chloride (Cl-): ≤1 mg/kg
Antion Traces sulfate (SO42-): ≤10 mg/kg
Cation Traces Ag: ≤5 mg/kg
Cation Traces Al: ≤1 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤1 mg/kg
Cation Traces Bi: ≤1 mg/kg
Cation Traces Ca: ≤5 mg/kg
Cation Traces Cd: ≤1 mg/kg
Cation Traces Co: ≤1 mg/kg
Cation Traces Cr: ≤1 mg/kg
Cation Traces Cu: ≤1 mg/kg
Cation Traces Fe: ≤1 mg/kg
Cation Traces K: ≤20 mg/kg
Cation Traces Li: ≤1 mg/kg
Cation Traces Mg: ≤1 mg/kg
Cation Traces Mn: ≤1 mg/kg
Cation Traces Mo: ≤1 mg/kg
Cation Traces NH4+: ≤1000 mg/kg
Cation Traces Na: ≤20 mg/kg
Cation Traces Ni: ≤1 mg/kg
Cation Traces Pb: ≤1 mg/kg
Cation Traces Sr: ≤1 mg/kg
Cation Traces Tl: ≤5 mg/kg
Cation Traces Zn: ≤1 mg/kg
Grade for molecular biology
Ignition Residue ≤0.1%
Impurities DNases, none detected
Impurities RNases, none detected
Impurities insoluble matter, passes filter test
Impurities phosphatases, none detected
Impurities proteases, none detected
λ 10 M in H2O
Linear Formula HCONH2
Product Line BioUltra
Purity ≥99.5% (T)
Absorption Wavelength λ: 260 nm Amax: ≤0.4
Absorption Wavelength λ: 280 nm Amax: ≤0.1
Auto Ignition Point 932 °F
Boiling Point 210 °C(lit.)
Density 1.134 g/mL at 25 °C(lit.)
Flash Point 150 °C
Flash Point 302 °F
Melting Point 2-3 °C(lit.)
pH 7-9 (25 °C, 1 M in H2O)
Refractive Index n20/D 1.447(lit.)
Refractive Index n20/D 1.447
Solubility H2O: soluble10 M at 20 °C, clear, colorless
Vapor Density 1.55 (vs air)
Vapor Pressure 0.08 mmHg ( 20 °C)
Vapor Pressure 30 mmHg ( 129 °C)
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Pictograms GHS08
GHS Signal Word Danger
GHS Hazard statements H318-H331-H340-H360D
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P201-P261-P280-P305 + P351 + P338-P311
Risk Statements 61
RTECS LQ0525000
Safety Statements 53-45
German water hazard class 1

DETAILS

Description (English)
Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
Formamide destabilizes nucleic acid duplexes and may be used, typically, at a concentration of 50%, in hybridization protocols requiring lower hybridization temperatures.
Other Notes
For the preparation of formamide denaturing polyacrylamide gels1; In situ hybridization on human chromosomes2
Description (简体中文)
Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
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
For the preparation of formamide denaturing polyacrylamide gels1; In situ hybridization on human chromosomes2

REFERENCES