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
T24503
Tetramethylurea
99%
Synonym(s):
1,1,3,3-Tetramethylurea, TMU
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 5 g | Available to ship TODAYfromMILWAUKEE | $32.40 | |
| 100 g | Available to ship TODAYfromMILWAUKEE | $123.00 |
About This Item
$32.40
Available to ship TODAYDetails
Quality Level
assay
99%
refractive index
n20/D 1.451 (lit.)
bp
177 °C (lit.), 62-63 °C/12 mmHg (lit.)
mp
−1 °C (lit.)
density
0.968 g/mL at 20 °C (lit.)
SMILES string
CN(C)C(=O)N(C)C
InChI
1S/C5H12N2O/c1-6(2)5(8)7(3)4/h1-4H3
InChI key
AVQQQNCBBIEMEU-UHFFFAOYSA-N
Gene Information
human ... EPHX2(2053)
mouse ... Ephx2(13850)
Application
- Role of Tetramethylurea in Synthesizing Mesoporous Alumina: Tetramethylurea was used to synthesize mesoporous alumina via a hydrothermal method, affecting pore structure and thermal stability (Ghosh et al., 2014).
1 of 1
This Item | |||
|---|---|---|---|
| assay 99% | assay ≥99.0% (GC) | assay 99% | assay 99% |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| bp 177 °C (lit.), 62-63 °C/12 mmHg (lit.) | bp 162-163 °C (lit.) | bp 101-102 °C (lit.) | bp - |
| refractive index n20/D 1.451 (lit.) | refractive index - | refractive index n20/D 1.441 (lit.) | refractive index - |
| density 0.968 g/mL at 20 °C (lit.) | density 0.916 g/mL at 20 °C (lit.) | density 0.799 g/mL at 25 °C (lit.) | density - |
| Gene Information human ... EPHX2(2053) | Gene Information - | Gene Information - | Gene Information - |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Irrit. 2
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
167.0 °F - closed cup
flash_point_c
75 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| T24503-100G | 04061837342233 |
| T24503-5G | 04061837342240 |
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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
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