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
33729
Trietanolamina
≥99% (GC), viscous liquid, puriss. p.a.
Sinónimos:
2,2′, 2′′-Nitrilotrietanol, Tris(2-hidroxietil)amina
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Nombre del producto
Trietanolamina, puriss. p.a., ≥99% (GC)
vapor density
5.14 (vs air)
Quality Segment
vapor pressure
0.01 mmHg ( 20 °C)
grade
puriss. p.a.
assay
≥99% (GC)
form
viscous liquid
autoignition temp.
600 °F
expl. lim.
8.5 %
impurities
≤0.0001% heavy metals (as Pb), ≤0.1% ethanolamine, ≤0.1% water (Karl Fischer), ≤0.5% diethanolamine (GC)
ign. residue
≤0.005% (as SO4)
refractive index
n20/D 1.485 (lit.)
useful pH range
7.3-8.3
pKa (25 °C)
7.8
bp
190-193 °C/5 mmHg (lit.)
mp
17.9-21 °C (lit.)
transition temp
solidification point 20-22 °C
solubility
soluble 149 g/L at 20 °C (completely)
density
1.124 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤1 mg/kg, sulfate (SO42-): ≤20 mg/kg
cation traces
Fe: ≤1 mg/kg
SMILES string
OCCN(CCO)CCO
functional group
amine, hydroxyl
InChI
1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
InChI key
GSEJCLTVZPLZKY-UHFFFAOYSA-N
General description
Application
1 of 1
Este artículo | |||
|---|---|---|---|
| assay ≥99% (GC) | assay ≥99.0% (GC) | assay 98% | assay ≥99% (GC) |
| solubility soluble 149 g/L at 20 °C (completely) | solubility H2O: 1 M, clear, colorless | solubility soluble 149 g/L at 20 °C (completely) | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| mp 17.9-21 °C (lit.) | mp 17.9-21 °C (lit.) | mp 17.9-21 °C (lit.) | mp 17.9-21 °C (lit.) |
| density 1.124 g/mL at 25 °C (lit.) | density 1.124 g/mL at 25 °C (lit.) | density 1.124 g/mL at 25 °C (lit.) | density 1.124 g/mL at 25 °C (lit.) |
| form viscous liquid | form liquid, viscous liquid | form viscous liquid | form - |
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Clase de almacenamiento
10 - Combustible liquids
wgk
WGK 1
flash_point_f
354.2 °F - closed cup
flash_point_c
179 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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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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