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
409758
N,N-Dimethyl-1,4-phenylenediamine oxalate
98%
Synonym(s):
N,N-Dimethyl-p-phenylenediamine hemioxalate salt
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Available to ship TODAYfromMILWAUKEE | $88.50 |
25 g | Available to ship TODAYfromMILWAUKEE | $162.00 |
About This Item
$88.50
Available to ship TODAYDetails
Quality Segment
assay
98%
form
powder
mp
205 °C (dec.) (lit.)
functional group
amine, carboxylic acid
SMILES string
OC(=O)C(O)=O.CN(C)c1ccc(N)cc1.CN(C)c2ccc(N)cc2
InChI
1S/2C8H12N2.C2H2O4/c2*1-10(2)8-5-3-7(9)4-6-8;3-1(4)2(5)6/h2*3-6H,9H2,1-2H3;(H,3,4)(H,5,6)
InChI key
MNUINXKPLPIOEF-UHFFFAOYSA-N
Application
1 of 1
This Item | |||
|---|---|---|---|
| assay 98% | assay 97% | assay 98% | assay 99% |
| mp 205 °C (dec.) (lit.) | mp 149-150 °C (lit.) | mp 143-145 °C (lit.) | mp 164-167 °C (lit.) |
| form powder | form powder | form - | form solid |
| functional group amine, carboxylic acid | functional group - | functional group - | functional group amide |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
signalword
Danger
Hazard Classifications
Acute Tox. 2 Oral - Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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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?
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
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I would like to ask about the expiration date for n,n-dimethyl-1 4-phenylenediamine oxalate for batch MKCG9443 , it stated that quality release date was on 06 AUG 2018. So , when will be the expiry date ? is it depends on the date we opened the bottle ?
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.
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