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
92262
Trimethylamine solution
43.0-49.0% in H2O (T)
Synonym(s):
N,N,N-Trimethylamine, N,N-Dimethylmethanamine, TMA solution
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 500 mL | Available to ship TODAYfromMILWAUKEE | $62.70 | |
| 1 L | Available to ship TODAYfromMILWAUKEE | $90.90 |
About This Item
$62.70
Available to ship TODAYDetails
form
liquid
Quality Level
concentration
43.0-49.0% in H2O (T)
density
0.83-0.88 g/mL at 20 °C
functional group
amine
SMILES string
CN(C)C
InChI
1S/C3H9N/c1-4(2)3/h1-3H3
InChI key
GETQZCLCWQTVFV-UHFFFAOYSA-N
Application
1 of 1
This Item | |||
|---|---|---|---|
| Quality Level 200 | Quality Level 300 | Quality Level - | Quality Level 200 |
| form liquid | form - | form - | form - |
| density 0.83-0.88 g/mL at 20 °C | density - | density - | density 0.63 g/mL at 20 °C (lit.) |
| concentration 43.0-49.0% in H2O (T) | concentration 25 wt. % in H2O | concentration 25 wt. % in propylene glycol | concentration - |
| functional group amine | functional group - | functional group - | functional group amine |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 1 - Skin Corr. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
19.4 °F - closed cup
flash_point_c
-7 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 92262-500ML | 04061833269244 |
| 92262-1L | 04061833269237 |
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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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?
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I bought this solution without knowing that the concentration of TMA was not specifically defined. I measured the mass of 1mL of the solution to be 0.61g when the densitry range was given as 0.83-0.88 g/mL. How should I confirm the concentration of TMA?
1 answer-
The density is confirmed on the lot-specific certificate of analysis. The concentration can be determined by [density x 1000 x percentage conc. / mw]. For example, lot BCCH3478 has a purity of 44.8% and a density of 0.862. The concentration for this particular lot is 6.53 M. Please see the link below to review this certificate of analysis:
https://www.sigmaaldrich.com/certificates/Graphics/COfAInfo/fluka/pdf/PDF734034.pdfHelpful?
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