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
X1040
o-Xylene
reagent grade, ≥98.0%
Synonym(s):
1,2-Dimethylbenzene
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
grade
reagent grade
Quality Level
vapor density
3.7 (vs air)
vapor pressure
<0.1 atm ( 21.1 °C), 16 mmHg ( 37.7 °C), 7 mmHg ( 20 °C)
assay
≥98.0%
form
liquid
autoignition temp.
867 °F
expl. lim.
7 %
dilution
(for analytical testing)
refractive index
n20/D 1.505 (lit.)
bp
143-145 °C (lit.)
mp
-26--23 °C (lit.)
density
0.879 g/mL at 20 °C (lit.)
SMILES string
Cc1ccccc1C
InChI
1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
InChI key
CTQNGGLPUBDAKN-UHFFFAOYSA-N
General description
Application
- Phthalic anhydride by oxidation using various catalysts.
- 4-Nitro-o-xylene using fuming nitric acid and polyphosphoric acid in the presence of an acid catalyst.
1 of 1
This Item | |||
|---|---|---|---|
| assay ≥98.0% | assay - | assay ≥98% (GC) | assay ≥98% (GC) |
| grade reagent grade | grade certified reference material, pharmaceutical secondary standard | grade - | grade synthesis grade |
| Quality Level 100 | Quality Level 300 | Quality Level 200 | Quality Level 200 |
| form liquid | form - | form liquid | form liquid |
| refractive index n20/D 1.505 (lit.) | refractive index n20/D 1.505 (lit.) | refractive index n20/D 1.505 (lit.) | refractive index n20/D 1.505 (lit.) |
| autoignition temp. 867 °F | autoignition temp. 867 °F | autoignition temp. 867 °F | autoignition temp. 867 °F |
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Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
89.6 °F - closed cup
flash_point_c
32.0 °C - closed cup
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| X1040-4L | 04061837544477 |
| X1040-1L | 04061837544422 |
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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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