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H1529

Sigma-Aldrich

8-Hydroxypyrene-1,3,6-trisulfonic acid trisodium salt

≥96%

Synonym(s):

HPTS, Pyranine, Solvent Green 7, Trisodium 8-hydroxypyrene-1,3,6-trisulfonate

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About This Item

Empirical Formula (Hill Notation):
C16H7Na3O10S3
CAS Number:
6358-69-6
Molecular Weight:
524.39
Beilstein:
4107272
EC Number:
228-783-6
MDL number:
MFCD00037575
UNSPSC Code:
12352100
PubChem Substance ID:
57654236
NACRES:
NA.22
Pricing and availability is not currently available.

description

Handling storage condition: Sightly light sensitive

Quality Level

200

Assay

≥96%

mp

>300 °C (lit.)

fluorescence

λex 454 nm; λem 511 nm (pH 9.1)
λex 454 nm; λem 520 nm in H2O

SMILES string

[Na+].[Na+].[Na+].Oc1cc(c2ccc3c(cc(c4ccc1c2c34)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C16H10O10S3.3Na/c17-11-5-12(27(18,19)20)8-3-4-10-14(29(24,25)26)6-13(28(21,22)23)9-2-1-7(11)15(8)16(9)10;;;/h1-6,17H,(H,18,19,20)(H,21,22,23)(H,24,25,26);;;/q;3*+1/p-3

InChI key

KXXXUIKPSVVSAW-UHFFFAOYSA-K

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Application

8-Hydroxypyrene-1,3,6-trisulfonic acid trisodium salt (HPTS) can be used to prepare:
  • Extruded fluorescent plastic indicator film for the detection of gaseous and dissolved CO2.[1]
  • Highly fluorescent waterborne polyurethane (WPU) matrix which is used as a pH sensing indicator.[2]
  • Positive (p-type) semiconducting polymeric gels via free radical cross-linking co-polymerization.[3]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

481.3 °F

Flash Point(C)

249.6 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM3074
BCCK8318
BCCJ0791
BCCG5682
BCCC4752

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Sigma-Aldrich

216254

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8-Hydroxypyrene-1, 3, 6-trisulfonic acid trisodium salt (HPTS) based high fluorescent, pH stimuli waterborne polyurethane coatings.
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. 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/449/386/product-dating-information-mk.pdf

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