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/449/386/product-dating-information-mk.pdf
309435
3-Methyl-1-butanol
anhydrous, ≥99%
Synonym(s):
Isoamyl alcohol, Isopentyl alcohol
About This Item
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grade
anhydrous
Quality Level
vapor density
3 (vs air)
vapor pressure
2 mmHg ( 20 °C)
Assay
≥99%
form
liquid
autoignition temp.
644 °F
expl. lim.
1.2-9 %, 100 °F
impurities
<0.003% water
<0.005% water (100 mL pkg)
evapn. residue
<0.0005%
refractive index
n20/D 1.406 (lit.)
pH
5.6 (20 °C, 25 g/L)
bp
130 °C (lit.)
mp
−117 °C (lit.)
density
0.809 g/mL at 25 °C (lit.)
SMILES string
CC(C)CCO
InChI
1S/C5H12O/c1-5(2)3-4-6/h5-6H,3-4H2,1-2H3
InChI key
PHTQWCKDNZKARW-UHFFFAOYSA-N
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This Item | 77664 | I9392 | 59092 |
|---|---|---|---|
| assay ≥99% | assay ≥98.5% (GC) | assay ≥98.5% | assay ≥99.8% (GC) |
| grade anhydrous | grade analytical standard | grade for molecular biology | grade analytical standard |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| form liquid | form - | form liquid | form - |
| refractive index n20/D 1.406 (lit.) | refractive index n20/D 1.406 (lit.) | refractive index - | refractive index n20/D 1.407 |
| density 0.809 g/mL at 25 °C (lit.) | density 0.809 g/mL at 25 °C (lit.) | density 0.809 g/mL at 20 °C (lit.) | density 0.809 g/mL at 20 °C (lit.) |
Application
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
110.3 °F - closed cup
Flash Point(C)
43.5 °C - closed cup
Personal Protective Equipment
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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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