This water product is not assigned an expiration or retest date. In the original sealed container the material is stable nearly indefinitely. Items that are not assigned an expiration date are warranteed for 1 year from the date of shipment.
W4502
Water
Water
suitable for electrophoresis, PCR
Synonym(s):
DNase-Free Water, Not DEPC Treated, Nuclease-Free Water, Protease-Free Water, RNase-Free Water
Sign Into View Organizational & Contract Pricing
All Photos(2)
About This Item
Linear Formula:
H2O
CAS Number:
Molecular Weight:
18.02
Beilstein:
2050024
EC Number:
MDL number:
UNSPSC Code:
12191602
PubChem Substance ID:
NACRES:
NA.31
technique(s):
PCR: suitable
electrophoresis: suitable
electrophoresis: suitable
bp:
100 °C (lit.)
vapor pressure:
3 mmHg
Pricing and availability is not currently available.
Recommended Products
Product Name
Water, Nuclease-Free Water, for Molecular Biology
vapor density
<1 (vs air)
Quality Level
vapor pressure
3 mmHg
sterility
0.1 μm filtered
form
liquid
technique(s)
PCR: suitable
electrophoresis: suitable
refractive index
n20/D 1.34 (lit.)
pH
5-7
bp
100 °C (lit.)
mp
0 °C (lit.)
density
1.000 g/mL at 3.98 °C (lit.)
foreign activity
DNase, RNase, Protease, free
SMILES string
O
InChI
1S/H2O/h1H2
InChI key
XLYOFNOQVPJJNP-UHFFFAOYSA-N
Looking for similar products? Visit Product Comparison Guide
Application
Features and Benefits
- Nuclease-Free Water
- DNase-Free, RNase-Free, Protease- Free
- Not DEPC Treated
- 0.1 um Filtered
- Prepared from Double Distilled and Deionized Water
- Suitable for use in Molecular Applications
This product is 0.1um filtered. It is designated as a Molecular Biology Reagent and is suitable for molecular biology applications. This product has been analyzed for the absence of nucleases and proteases, and has undergone bioburden analysis. It has not been treated with diethyl pyrocarbonate (DEPC).
Preparation Note
This product is prepared from double distilled and deionized water
Other Notes
Easily compare specifications for Water products with the Water specification table.
related product
Product No.
Description
Pricing
Storage Class Code
12 - Non Combustible Liquids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Choose from one of the most recent versions:
Certificates of Analysis (COA)
Lot/Batch Number
Don't see the Right Version?
If you require a particular version, you can look up a specific certificate by the Lot or Batch number.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Gene expression signals involved in ischemic injury, extracellular matrix composition and fibrosis defined by global mRNA profiling of the human left ventricular myocardium.
Gabrielsen A et al
Journal of Molecular and Cellular Cardiology, 42(4), 870-883 (2007)
Comparison of coliforms and coliphages as tools for assessment of viral contamination in river water.
Skraber S et al
Applied and Environmental Microbiology, 70(6), 3644-3649 (2004)
Effect of sward dry matter digestibility on methane production, ruminal fermentation, and microbial populations of zero-grazed beef cattle.
Hart KJ et al
Journal of Animal Science, 87(10), 3342-3350 (2009)
Presence of viral genomes in mineral water: a sufficient condition to assume infectious risk?
Gassilloud B et al
Applied and Environmental Microbiology, 69(7), 3965-3969 (2003)
Polymorphic exact tandem repeat A (PETRA): a newly defined lineage of mycobacterium tuberculosis in israel originating predominantly in Sub-Saharan Africa.
Freidlin PJ et al
Journal of Clinical Microbiology, 47(12), 4006-4020 (2009)
Articles
Quality DNA crucial for meaningful data; intact DNA key for successful chromosomal aberration analysis from FFPE tissues.
Viral RNA Extraction Buffer (VRE100) and related reagents for qRT-PCR and additional viral RNA analyses.
Protocols
GenomePlex® is a Whole Genome Amplification (WGA) method that allows the researcher to generate a representative amplification of genomic DNA
WTA2, a Whole Transcriptome Amplification (WTA) method, allows for representative amplification of nanogram quantities of total RNA in less than 4 hours without 3-bias
GenomePlex is a Whole Genome Amplification (WGA) method that allows the researcher to generate a representative, 500-fold amplification of genomic DNA
This protocol describes a simple and convenient procedure to isolate pure DNA from a variety of plant species using the GenElute Plant Genomic DNA Miniprep Kit.
-
Do you have stability data for W4502 for evaluating if Shelf Life can be extended?
1 answer-
Helpful?
-
-
Is this water sterile? Can this be used for cell culture?
1 answer-
Product W4502 is not sterile, this product is prepared from Double Distilled and Deionized Water. This product is best suitable to use in molecular biology applications. See product W3500 for Sterile, Tissue Culture grade Water:
https://www.sigmaaldrich.com/product/sigma/w3500Helpful?
-
-
In what vessel does this product come? A bottle, a bag with a spigot, etc.?
1 answer-
This product is packaged in square PET square bottles. To request a quote for larger volumes or specialized packaging, please submit a request at the link below:
https://www.sigmaaldrich.com/services/support/bulk-quotation-requestHelpful?
-
-
This product does not list an expiration date on the label. Could someone provide an expiration for lot number BCCH7145?
1 answer-
This product does not contain an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. 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/life-science/quality-and-regulatory-management/quality-services
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
