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
484253
Di(propylene glycol) methyl ether, mixture of isomers
≥99%
Synonym(s):
DOWANOL® DPM, Dipropylene glycol monomethyl ether
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About This Item
vapor pressure
0.4 mmHg ( 25 °C)
Quality Segment
assay
≥99%
refractive index
n20/D 1.422 (lit.)
bp
190 °C (lit.)
density
0.951 g/mL at 25 °C
SMILES string
O(C(CO)C)CC(OC)C
InChI
1S/C7H16O3/c1-6(4-8)10-5-7(2)9-3/h6-8H,4-5H2,1-3H3
InChI key
CUDYYMUUJHLCGZ-UHFFFAOYSA-N
General description
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| refractive index n20/D 1.422 (lit.) | refractive index n20/D 1.408 (lit.) | refractive index n20/D 1.422 (lit.) | refractive index n20/D 1.43 (lit.) |
| density 0.951 g/mL at 25 °C | density 0.902 g/mL at 25 °C (lit.) | density 0.938 g/mL at 25 °C | density 0.968 g/mL at 25 °C |
| assay ≥99% | assay ≥99.1% | assay 97% | assay 96% |
| vapor pressure 0.4 mmHg ( 25 °C) | vapor pressure - | vapor pressure 0.4 mmHg ( 25 °C) | vapor pressure - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| bp 190 °C (lit.) | bp 175 °C (lit.) | bp 190 °C (lit.) | bp 100 °C/2 mmHg (lit.) |
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Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
167.0 °F - closed cup
flash_point_c
75 °C - closed cup
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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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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