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
151173
Ninhydrin
ACS reagent grade, solid
Synonyma:
1,2,3-Indantrione monohydrate, 2,2-Dihydroxy-1,3-indanedione, Trioxohydrindene monohydrate
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 10 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 1 700,00 Kč | |
| 25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 350,00 Kč | |
| 100 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 8 910,00 Kč |
O této položce
1 700,00 Kč
Název produktu
Ninhydrin, ACS reagent
grade
ACS reagent
Quality Level
description
identification and melting point passes test
form
solid
color
white to brownish white, crystals
mp
250 °C (dec.) (lit.)
solubility
H2O: passes test
suitability
passes test for sensitivity to amino acids
functional group
hydroxyl, ketone
SMILES string
OC1(O)C(=O)c2ccccc2C1=O
InChI
1S/C9H6O4/c10-7-5-3-1-2-4-6(5)8(11)9(7,12)13/h1-4,12-13H
InChI key
FEMOMIGRRWSMCU-UHFFFAOYSA-N
General description
It is employed for nitrite detection in various samples, identifying contamination, and is also used as a colorimetric reagent.[1]
Application
1 of 1
Tato položka | |||
|---|---|---|---|
| solubility H2O: passes test | solubility ethanol: 100 mg/mL, H2O: 50 mg/mL (with sonication) | solubility - | solubility - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 100 |
| mp 250 °C (dec.) (lit.) | mp 250 °C (dec.) (lit.) | mp - | mp 250-258 °C (decomposition) |
| form solid | form powder | form solid | form solid |
| description identification and melting point passes test | description - | description - | description - |
| suitability passes test for sensitivity to amino acids | suitability - | suitability - | suitability - |
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
Skladovací třída
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Sortimentní položky
Discover the detection of milk adulteration by whey using spectrophotometric estimation of sialic acid in three different milk brands. Learn more about this essential technique in our application note.
Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| 151173-10G | 04061835554270 |
| 151173-25G | 04061835554287 |
| 151173-100G | 04061835554263 |
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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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what is the purity of this product
1 answer-
Unfortunately, the purity is not determined for this product.
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