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
B1334
Benzaldehyde
≥99%, liquid, ReagentPlus®
Sinónimos:
Bitter almond
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| Tamaño de envase | SKU | Disponibilidad | Precio |
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Nombre del producto
Benzaldehyde, ReagentPlus®, ≥99%
vapor density
3.7 (vs air)
Quality Segment
vapor pressure
4 mmHg ( 45 °C)
product line
ReagentPlus®
assay
≥99%
form
liquid
autoignition temp.
374 °F
expl. lim.
1.4 %, 20 °F
refractive index
n20/D 1.545 (lit.)
pH
5.9 (20 °C)
bp
178-179 °C (lit.)
mp
−26 °C (lit.)
density
1.044 g/cm3 at 20 °C (lit.)
functional group
aldehyde, phenyl
SMILES string
O=Cc1ccccc1
InChI
1S/C7H6O/c8-6-7-4-2-1-3-5-7/h1-6H
InChI key
HUMNYLRZRPPJDN-UHFFFAOYSA-N
General description
Application
- Preparation of optically active 1-phenylpropan-1-ol.
- Synthesis of meso-tetraphenylporphins and chlorins.
- As a test compound to study oxidative amidation reaction of aliphatic primary/secondary amines using N-heterocyclic carbine as a catalyst.
- Synthesis of 2-phenyl-2,3-dihydro-4H-pyran-4-one with high enantioselectivity by hetero-Diels-Alder (HDA) reaction with Danishefsky′s diene.
Analysis Note
Legal Information
1 of 1
Este artículo | |||
|---|---|---|---|
| assay ≥99% | assay ≥98% | assay - | assay ≥98% |
| Quality Level 200 | Quality Level 300, 400 | Quality Level 300 | Quality Level 300, 400 |
| refractive index n20/D 1.545 (lit.) | refractive index n20/D 1.545 (lit.) | refractive index n20/D 1.545 (lit.) | refractive index n20/D 1.545 (lit.) |
| form liquid | form liquid | form - | form liquid |
| density 1.044 g/cm3 at 20 °C (lit.) | density 1.044 g/cm3 at 20 °C (lit.) | density 1.044 g/cm3 at 20 °C (lit.) | density 1.044 g/cm3 at 20 °C (lit.) |
| mp −26 °C (lit.) | mp −26 °C (lit.) | mp −26 °C (lit.) | mp −26 °C (lit.) |
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Clase de almacenamiento
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 1
flash_point_f
145.4 °F - closed cup
flash_point_c
63 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Artículos
Knoevenagel Condensation is an organic reaction named after Emil Knoevenagel. It is a classic C-C bond formation reaction and a modification of the Aldol Condensation.
The aldol condensation reaction is an organic reaction introduced by Charles Wurtz, who first prepared the β-hydroxy aldehyde from acetaldehdye in 1872.
Número de artículo de comercio global
| SKU | GTIN |
|---|---|
| B1334-3KG | 04061833422137 |
| B1334-1KG | 04061833422083 |
| B1334-2G | 04061833422090 |
| B1334-18KG | 04061833422052 |
| B1334-100G | 04061833422014 |
| B1334-5G | 04061833422151 |
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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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