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
B103608
γ-Butirolactona
ReagentPlus®, ≥99%
Sinónimos:
γLactona del ácido hidroxibutírico, GBL, Lactona del ácido 4-hidroxibutírico
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Nombre del producto
γ-Butirolactona, ReagentPlus®, ≥99%
InChI key
YEJRWHAVMIAJKC-UHFFFAOYSA-N
InChI
1S/C4H6O2/c5-4-2-1-3-6-4/h1-3H2
SMILES string
O=C1CCCO1
vapor density
3 (vs air)
vapor pressure
1.5 mmHg ( 20 °C)
product line
ReagentPlus®
assay
≥99%
form
liquid
autoignition temp.
851 °F
expl. lim.
16 %
drug control
Pszichotróp anyag / Psychotropic Substance (Hungary), 78/2022. (XII. 28.) BM rendelet
refractive index
n20/D 1.436 (lit.)
bp
204-205 °C (lit.)
mp
−45 °C (lit.)
density
1.12 g/mL at 25 °C (lit.)
Quality Level
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Este artículo | 90970 | B59608 | D804 |
|---|---|---|---|
| assay ≥99% | assay ≥99.0% (GC) | assay 97% | assay 98% |
| Quality Level 200 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| refractive index n20/D 1.436 (lit.) | refractive index n20/D 1.436 (lit.) | refractive index n20/D 1.508 (lit.) | refractive index n20/D 1.449 (lit.) |
| bp 204-205 °C (lit.) | bp 204-205 °C (lit.) | bp 138 °C/6 mmHg (lit.) | bp - |
| form liquid | form - | form liquid | form liquid |
| mp −45 °C (lit.) | mp −45 °C (lit.) | mp - | mp - |
Application
Biochem/physiol Actions
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - STOT SE 3
target_organs
Central nervous system
Clase de almacenamiento
10 - Combustible liquids
wgk
WGK 1
flash_point_f
208.4 °F - closed cup
flash_point_c
98 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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How can I determine the shelf life / expiration / retest date of this product?
1 respuesta-
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Your product name γ-Butyrolactone with the number B103608 has an option for 500grams so I just wanted to double check that it’s in liquid form because the places I bought from before had there listings in liters. Thank you for your time.
1 respuesta-
The Properties section of the product page includes the description "form liquid". This applies to all package sizes of the product.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 respuesta-
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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