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
D5545
DL-Dithiothreitol
BioXtra, ≥99.0% (titration)
Synonyma:
threo-1,4-Dimercapto-2,3-butanediol, Cleland’s reagent, DTT
Vybrat velikost
| Velikost balení | Skladová položka | Dostupnost | Cena |
|---|---|---|---|
| 1 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 3 370,00 Kč | |
| 5 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 10 900,00 Kč | |
| 25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 42 600,00 Kč |
O této položce
3 370,00 Kč
product line
BioXtra
Quality Level
assay
≥99.0% (titration)
form
powder
reaction suitability
reagent type: reductant
impurities
Insoluble matter, passes filter test, ≤0.3% 4,5-dihydroxy-1,2-dithiane
pH
4.0-6.0 (20-25 °C, 0.1 m in H2O)
mp
41-44 °C (lit.)
solubility
H2O: 0.1 M, clear, colorless
anion traces
sulfate (SO42-): ≤0.005%
cation traces
Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.1%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%
absorption
≤0.100 at 280 in H2O at 0.1 M, ≤0.400 at 260 in H2O at 0.1 M
storage temp.
2-8°C
SMILES string
O[C@H](CS)[C@H](O)CS
InChI
1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4-/m1/s1
InChI key
VHJLVAABSRFDPM-QWWZWVQMSA-N
Application
1 of 1
Tato položka | |||
|---|---|---|---|
| assay ≥99.0% (titration) | assay ≥98% (HPLC), ≥99% (titration) | assay - | assay - |
| Quality Level 200 | Quality Level 200 | Quality Level 100 | Quality Level 500 |
| product line BioXtra | product line - | product line - | product line EMPROVE® ESSENTIAL |
| impurities Insoluble matter, passes filter test, ≤0.3% 4,5-dihydroxy-1,2-dithiane | impurities - | impurities - | impurities - |
| mp 41-44 °C (lit.) | mp 41-44 °C (lit.) | mp - | mp 41-44 °C (lit.) |
| anion traces sulfate (SO42-): ≤0.005% | anion traces - | anion traces - | anion traces - |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2
Skladovací třída
11 - Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
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Globální číslo obchodní položky
| Skladová položka | GTIN |
|---|---|
| D5545-1G | 04061833586419 |
| D5545-5G | 04061835515981 |
| D5545-25G | 04061835544011 |
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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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