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
86853
Tetrabutylammonium hydrogen sulfate
suitable for ion pair chromatography, LiChropur™, ≥99.0%
Synonym(s):
Tetrabutylammonium hydrogen sulfate
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Product Name
Tetrabutylammonium bisulfate, suitable for ion pair chromatography, LiChropur™, ≥99.0%
InChI
1S/C16H36N.H2O4S/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;1-5(2,3)4/h5-16H2,1-4H3;(H2,1,2,3,4)/q+1;/p-1
InChI key
SHFJWMWCIHQNCP-UHFFFAOYSA-M
SMILES string
OS([O-])(=O)=O.CCCC[N+](CCCC)(CCCC)CCCC
grade
reagent grade
description
cationic
assay
≥99.0% (T), ≥99.0%
form
crystals
quality
LiChropur™
technique(s)
ion pair chromatography: suitable
mp
171-174 °C
anion traces
bromide (Br-): ≤50 mg/kg
λ
10 % in H2O
UV absorption
λ: 210 nm Amax: 0.06, λ: 220 nm Amax: 0.05, λ: 230 nm Amax: 0.03, λ: 260 nm Amax: 0.02, λ: 500 nm Amax: 0.02
suitability
corresponds to standard for RP gradient test, corresponds to standard for filter test
Quality Level
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1 of 4
This Item | |||
|---|---|---|---|
| form crystals | form solution | form crystals | form - |
| assay ≥99.0% (T) | assay - | assay 97% | assay ≥99% (acidimetric) |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| mp 171-174 °C | mp - | mp 169-171 °C (lit.) | mp 168-174 °C |
| anion traces bromide (Br-): ≤50 mg/kg | anion traces - | anion traces - | anion traces - |
| description cationic | description cationic | description - | description - |
General description
Application
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1
Storage Class
8A - Combustible corrosive hazardous materials
flash_point_f
348.1 °F - closed cup
flash_point_c
175.6 °C - closed cup
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Protocols
Reversed-phase HPLC sometimes requires ion pairing for adequate retention of polar compounds due to hydrophobic interactions.
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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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