If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
Select a Size
About This Item
hybridization: suitable
protein extraction: suitable
30 mmHg ( 129 °C)
Skip To
Product Name
Formamide, BioUltra, Molecular Biology, ≥99.5% (T)
InChI key
ZHNUHDYFZUAESO-UHFFFAOYSA-N
InChI
1S/CH3NO/c2-1-3/h1H,(H2,2,3)
SMILES string
NC=O
grade
Molecular Biology
vapor density
1.55 (vs air)
vapor pressure
0.08 mmHg ( 20 °C)
30 mmHg ( 129 °C)
product line
BioUltra
assay
≥99.5% (T)
form
liquid
autoignition temp.
932 °F
technique(s)
FISH: suitable
hybridization: suitable
protein extraction: suitable
impurities
DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
ign. residue
≤0.1%
refractive index
n20/D 1.447 (lit.)
n20/D 1.447
pH
7-9 (25 °C, 1 M in H2O)
bp
210 °C (lit.)
mp
2-3 °C (lit.)
solubility
H2O: 10 M at 20 °C, clear, colorless
density
1.134 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤1 mg/kg
sulfate (SO42-): ≤10 mg/kg
cation traces
Ag: ≤5 mg/kg
Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
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
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
NH4+: ≤1000 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Tl: ≤5 mg/kg
Zn: ≤1 mg/kg
λ
10 M in H2O
UV absorption
λ: 260 nm Amax: ≤0.4
λ: 280 nm Amax: ≤0.1
application(s)
genomic analysis
Quality Level
Looking for similar products? Visit Product Comparison Guide
1 of 4
This Item | F7503 | 1601587 | F9037 |
|---|---|---|---|
| technique(s) FISH: suitable, protein extraction: suitable, hybridization: suitable | technique(s) hybridization: suitable | technique(s) - | technique(s) electrophoresis: suitable, immunohistochemistry: suitable |
| Quality Level 200 | Quality Level 100 | Quality Level - | Quality Level 200 |
| assay ≥99.5% (T) | assay ≥99.0% (GC) | assay - | assay ≥99.5% (GC) |
| application(s) genomic analysis | application(s) - | application(s) pharmaceutical (small molecule) | application(s) - |
| grade for molecular biology | grade - | grade pharmaceutical primary standard | grade for molecular biology |
| solubility H2O: 10 M at 20 °C, clear, colorless | solubility - | solubility - | solubility - |
Application
- as a component in the hybridization buffer for in situ hybridization as a component of solution X to wash the slides to remove the coverslips
- in the preparation of denaturation solution for spectral karyotyping (SKY) analysis
- in the preparation of 1% formaldehyde solution for the pretreatment of slides for comparative genomic hybridization (CGH)
- to prepare pre-hybridization buffer I, II, III, IV, and hybridization buffer I, II, and III for RNA fluorescence in situ hybridization (RNA-FISH)
- as an ionizing solvent in the production of formic esters and vitamin, a softener for paper, in animal glues, and water-soluble gums, in molecular biology as a denaturing agent
Biochem/physiol Actions
Features and Benefits
- Versatile and adaptable for a wide variety of laboratory and research applications
- BioUltra Grade for your Molecular Biology, Cell Biology and Biochemical research
- Tested to confirm low levels of heavy metal contamination, ensuring suitability for various applications
- Free from DNase, RNase, NICKase and proteaseTested for trace levels of Anions and Cations
General description
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Carc. 2 - Repr. 1B - STOT RE 2 Oral
target_organs
Blood
Storage Class
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
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Related Content
Find high-purity biochemicals for every workflow. Explore BioUltra, Molecular Biology, BioReagent, and reagent-grade materials qualified for performance.
-
How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
-
-
What temperature should this product be stored at?
1 answer-
This product may be stored at room temperature.
Helpful?
-
-
What temperature should this product be stored at?
1 answer-
This product may be stored at room temperature.
Helpful?
-
-
How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
Helpful?
-
-
What expiry does Formamide get?
1 answer-
The product specification sheet for this product contains a recommended retest date period of roughly 11 months after the quality release date. A recommended retest date is the period of time during which the product is expected to remain within established stability specifications, provided that it has been stored under defined conditions. After the Retest Date, product samples should be examined to ensure that the product is still in compliance with the established specifications. For more information, you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/US/en/life-science/quality-and-regulatory-management/quality-services.
Helpful?
-
-
What is the Department of Transportation shipping information for this product?
1 answer-
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Helpful?
-
-
What is the molarity of the neat liquid Formamide, Product 47671?
1 answer-
Based on the density of 1.13 and the molecular weight of 45.04, the molarity of this neat liquid is 25.09 M. The pH of a 0.5 M aqueous solution is 7.1, according to the chemicals encyclopedia published by the Royal Society of Chemistry, 12th edition.
Helpful?
-
-
Are aqueous solutions of Formamide, Product 47671, stable?
1 answer-
In aqueous solution, formamide hydrolyzes to form ammonia and formic acid (i.e., ammonium formate).
Helpful?
-
-
What is the best way to deionize Formamide, Product 47671?
1 answer-
Mixed Bed Resin (e.g., Sigma Product No. M8157 or M8032) can be used to deionize formamide.
Helpful?
-
Active Filters
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service
