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
I1754
Isobutyric acid
99%
Synonym(s):
2-Methylpropionic acid
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| Pack Size | SKU | Availability | Price |
|---|
About This Item
vapor density
3.04 (vs air)
Quality Level
vapor pressure
1.5 mmHg ( 20 °C)
assay
99%
form
liquid
autoignition temp.
824 °F
expl. lim.
10 %
refractive index
n20/D 1.393 (lit.)
bp
153-154 °C (lit.)
mp
−47 °C (lit.)
density
0.95 g/mL at 25 °C (lit.)
SMILES string
CC(C)C(O)=O
InChI
1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)
InChI key
KQNPFQTWMSNSAP-UHFFFAOYSA-N
General description
Application
- to synthesize butyl isobutyrate via esterification with n-butanol using lipases
- as a precursor for Methacrylic acid (MAA) through catalytic oxidative dehydrogenation. It can be produced through fermentative pathways
1 of 1
This Item | |||
|---|---|---|---|
| assay 99% | assay ≥99% | assay ≥99% | assay - |
| Quality Level 100 | Quality Level 300, 400 | Quality Level 300, 400 | Quality Level 300 |
| density 0.95 g/mL at 25 °C (lit.) | density 0.95 g/mL at 25 °C (lit.) | density 0.95 g/mL at 25 °C (lit.) | density 0.95 g/mL at 25 °C (lit.) |
| bp 153-154 °C (lit.) | bp 153-154 °C (lit.) | bp 153-154 °C (lit.) | bp 153-154 °C (lit.) |
| form liquid | form - | form - | form - |
| mp −47 °C (lit.) | mp −47 °C (lit.) | mp −47 °C (lit.) | mp −47 °C (lit.) |
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
flash_point_f
131.0 °F - closed cup
flash_point_c
55 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| I1754-1L | 04061833848036 |
| I1754-100ML | 04061833848029 |
| I1754-500ML | 04061833848043 |
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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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