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
P23954
m-Phenylenediamine
flakes, 99%
Synonym(s):
1,3-Benzenediamine, 1,3-Diaminobenzene, 1,3-Phenylenediamine, MPDA
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Available to ship TODAYfromMILWAUKEE | $33.70 |
100 g | Available to ship TODAYfromMILWAUKEE | $37.90 |
500 g | Available to ship TODAYfromMILWAUKEE | $57.80 |
1 kg | Available to ship TODAYfromMILWAUKEE | $91.30 |
15 kg | Estimated to ship onNovember 18, 2026fromMILWAUKEE | $728.00 |
About This Item
$33.70
Available to ship TODAYDetails
vapor density
3.7 (vs air)
Quality Segment
vapor pressure
0.62 mmHg ( 100 °C)
assay
99%
form
flakes
autoignition temp.
1040 °F
bp
282-284 °C
mp
64-66 °C
SMILES string
Nc1cccc(N)c1
InChI
1S/C6H8N2/c7-5-2-1-3-6(8)4-5/h1-4H,7-8H2
InChI key
WZCQRUWWHSTZEM-UHFFFAOYSA-N
General description
Application
- intrinsically electrically semiconducting microparticles of semiladder poly(m-phenylenediamine-co-2-hydroxy-5-sulfonic aniline) structures[1]
- extraction medium based on chitosan-poly(m-phenylenediamine) (CS-PPD) Fe3O4 nanocomposite, used as sorbent for the magnetic solid-phase extraction (MSPE) of polychlorinated biphenyls[2]
- series of terpolymers, via chemical oxidative polymerization
- thin film composite (TFC) membranes based polyamide
- TFC reverse osmosis (RO) membranes
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| assay 99% | assay ≥99% | assay ≥99.0% (GC) | assay ≥99.0% (GC/NT) |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| mp 64-66 °C | mp 138-143 °C (lit.) | mp 61-66 °C, 64-66 °C | mp 138-143 °C (lit.) |
| bp 282-284 °C | bp 267 °C (lit.) | bp 282-284 °C | bp 267 °C (lit.) |
| form flakes | form sublimed | form - | form flakes |
| autoignition temp. 1040 °F | autoignition temp. - | autoignition temp. 1040 °F | autoignition temp. - |
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Danger
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Muta. 2 - Skin Sens. 1
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (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?
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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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Does the purity of product P23954, m-Phenylendiamine, decrease substantially if it has darkened? Some batches of this product have been found to be white, and some are dark.
1 answer-
In most cases, the product is entirely usable after it has turned dark. Darkening may be apparent even when small amounts of product have been exposed to moisture in the atmosphere and there is no analyzable change in product purity. However, the products should not be used if a strong odor of ammonia is detected, as this indicates product degradation.The darkening is normal, and it is due to uptake of moisture from the atmosphere over time.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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