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
695076
Formic acid
ACS reagent, ≥96%
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InChI key
BDAGIHXWWSANSR-UHFFFAOYSA-N
InChI
1S/CH2O2/c2-1-3/h1H,(H,2,3)
SMILES string
OC=O
grade
ACS reagent
vapor density
1.6 (vs air)
vapor pressure
44.8 mmHg ( 20 °C)
assay
≥96%
form
liquid
autoignition temp.
1004 °F
expl. lim.
57 %
Quality Level
greener alternative product characteristics
Catalysis
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concentration
≥96.0%
refractive index
n20/D 1.370 (lit.)
pH
2.2 (20 °C, 2.2 g/L)
bp
100-101 °C (lit.)
mp
8.2-8.4 °C (lit.)
solubility
water: miscible
density
1.22 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, sulfate (SO42-): ≤0.003%, sulfite (SO32-): passes test
cation traces
Fe: ≤0.001%, NH4+: ≤0.005%, heavy metals (as Pb): ≤0.001%
application(s)
sample preparation
greener alternative category
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1 of 4
This Item | F0507 | W248703 | 1.00263 |
|---|---|---|---|
| grade ACS reagent | grade reagent grade | grade FG, Halal, Kosher | grade - |
| assay ≥96% | assay ≥95% | assay ≥95% | assay ≥98% (alkalimetric) |
| Quality Level 200 | Quality Level 100 | Quality Level 400 | Quality Level 500 |
| form liquid | form liquid | form liquid | form liquid |
| solubility water: miscible | solubility - | solubility - | solubility - |
| pH 2.2 (20 °C, 2.2 g/L) | pH 2.2 (20 °C, 2.2 g/L) | pH 2.2 (20 °C, 2.2 g/L) | pH 2.2 (20 °C, 10 g/L in H2O) |
Application
- Co-Nx-catalyzed one-pot reductive amination of carbonyl compounds with nitro compounds to synthesize secondary amines.
- Photoreduction of polycyclic and heterocyclic nitro arenes to corresponding amines.
- Pd-catalyzed chemoselective hydrogenation of olefins to saturated hydrocarbons.
General description
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
121.1 °F - closed cup
flash_point_c
49.5 °C - closed cup
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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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How to make 0.2M formic acid solution?
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Assuming a 96% purity, to prepare 100mL of a 0.2 M solution, slowly add 0.786 mL of your stock solution to 25 mL deionized water. Adjust the final volume of solution to 100 mL with deionized water.
To prepare 500mL of a 0.2 M solution, slowly add 3.930 mL of your stock solution to 125 mL deionized water. Adjust the final volume of solution to 500 mL with deionized water.
See the link below to access the molarity calculator. Enter the desired volume, the lot specific product percentage, and the desired volume. Click the 'Calculate' button to get preparation instructions:
https://www.sigmaaldrich.com/support/calculators-and-apps/molarity-calculatorHelpful?
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