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
H5501
Methyl 4-hydroxybenzoate
ReagentPlus®, ≥99.0%, crystalline
Synonym(s):
p-Hydroxybenzoic acid methyl ester, Methyl paraben, NIPAGIN
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
Quality Segment
product line
ReagentPlus®
assay
≥99.0%
form
crystalline
mp
125-128 °C (lit.)
SMILES string
COC(=O)c1ccc(O)cc1
InChI
1S/C8H8O3/c1-11-8(10)6-2-4-7(9)5-3-6/h2-5,9H,1H3
InChI key
LXCFILQKKLGQFO-UHFFFAOYSA-N
Application
- in sex-linked recessive lethal (SLRL) test in Drosophila melanogaster
- as a constituent in cream formulation
- as an antifungal agent in Drosophila melanogaster culture[1]
Biochem/physiol Actions
Legal Information
Disclaimer
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥99.0% | assay ≥99.0% (titration) | assay 99.0-100.5% (HPLC), 99.0-102.0% (acidimetric) | assay ≥99.0% (HPLC) |
| form crystalline | form - | form solid | form powder or crystals |
| Quality Level 200 | Quality Level 200 | Quality Level 500 | Quality Level 200 |
| product line ReagentPlus® | product line BioXtra | product line EMPROVE® EXPERT | product line BioReagent |
| mp 125-128 °C (lit.) | mp 125-128 °C (lit.) | mp 125 °C | mp 125-128 °C (lit.) |
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hcodes
pcodes
Hazard Classifications
Aquatic Chronic 2
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
334.4 °F
flash_point_c
168 °C
ppe
dust mask type N95 (US), Eyeshields, Gloves
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| H5501-1KG | 04061835442522 |
| H5501-500G | 04061835545568 |
| H5501-100G | 04061833799451 |
| H5501-5KG | 04061833799468 |
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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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