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
412422
PAMAM dendrimer, ethylenediamine core, generation 3.0 solution
20 wt. % in methanol
Synonym(s):
Starburst PAMAM-G 3
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Available to ship TODAYfromMILWAUKEE | $489.00 |
25 g | Check Cart for Availability | $2,070.00 |
About This Item
description
amino surface groups
Quality Segment
form
liquid
mol wt
generation 3.0
feature
core type ethylenediamine core (2-carbon core)
concentration
20 wt. % in methanol
no. Surface Groups
32
refractive index
n20/D 1.367
bp
64.7 °C
density
0.863 g/mL at 25 °C
storage temp.
2-8°C
General description
Application
Physical form
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description 20 wt. % in methanol | description 10 wt. % in methanol | description 5 wt. % in methanol | description 20 wt. % in methanol |
| refractive index n20/D 1.367 | refractive index n20/D 1.348 | refractive index - | refractive index n20/D 1.362 |
| form liquid | form solution | form liquid | form liquid |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| density 0.863 g/mL at 25 °C | density 0.813 g/mL at 25 °C | density 0.797 g/mL at 25 °C | density 0.82 g/mL at 25 °C |
| description amino surface groups | description amino surface groups | description amino surface groups | description amino surface groups |
| no. Surface Groups 32 | no. Surface Groups 64 | no. Surface Groups 128 | no. Surface Groups 8 |
signalword
Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1
target_organs
Eyes,Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
51.8 °F - closed cup
flash_point_c
11 °C - closed cup
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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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