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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.
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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
44198
4-Dodecylbenzenesulfonic acid
mixture of isomers, ≥95%
동의어(들):
p-Dodecylbenzenesulfonic acid
제품정보 (DICE 배송 시 비용 별도)
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제품 이름
4-Dodecylbenzenesulfonic acid, mixture of isomers, ≥95%
InChI key
KWXICGTUELOLSQ-UHFFFAOYSA-N
InChI
1S/C18H30O3S/c1-2-3-4-5-6-7-8-9-10-11-12-17-13-15-18(16-14-17)22(19,20)21/h13-16H,2-12H2,1H3,(H,19,20,21)
SMILES string
CCCCCCCCCCCCc1ccc(cc1)S(O)(=O)=O
description
anionic
assay
≥95%
form
liquid
mol wt
326.49 g/mol
technique(s)
blocking: suitable
impurities
≤2% H2SO4
density
1.06 g/mL at 20 °C (lit.)
functional group
sulfonic acid
Quality Level
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이 품목 | 522953 | 760110 | 651621 |
|---|---|---|---|
| form liquid | form - | form solid or liquid (Powder or Solid or Crystals or Chunk(s) or Semi-solid or Liquid) | form solid |
| technique(s) blocking: suitable | technique(s) - | technique(s) - | technique(s) - |
| assay ≥95% | assay - | assay ≥96.5% (HPLC) | assay 90% |
| density 1.06 g/mL at 20 °C (lit.) | density 0.992 g/mL at 25 °C | density - | density - |
| impurities ≤2% H2SO4 | impurities - | impurities - | impurities - |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
Application
General description
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B
저장 등급
8A - Combustible, corrosive hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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How can I determine the shelf life / expiration / retest date of this product?
1 답변-
도움이 되었습니까?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 답변-
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
도움이 되었습니까?
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Hello, can I ask what mixture of isomers this standard (44198) contains? I wonder if these are only C12 isomers, or also different length carbon chains C10-C13 as described e.g. by Biosynth (4-Dodecylbenzenesulfonic acid - mixture of C10-C13).
1 답변-
4-Dodecylbenzenesulfonic acid (44198-250ML) is a mixture of isomers C10-C13.
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