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
F1635
Formaldehyde solution
contains 10-15% methanol as stabilizer, 37 wt. % in H2O
Synonym(s):
Formalin
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
25 mL | Available to ship TODAYfromMILWAUKEE | $38.00 |
500 mL | Available to ship TODAYfromMILWAUKEE | $59.80 |
4 L | Available to ship TODAYfromMILWAUKEE | $153.00 |
About This Item
$38.00
Available to ship TODAYDetails
vapor density
1.03 (vs air)
Quality Segment
vapor pressure
52 mmHg ( 37 °C)
form
liquid
autoignition temp.
572 °F
contains
10-15% methanol as stabilizer
concentration
37 wt. % in H2O, 37-38%
technique(s)
tissue processing: suitable
impurities
≤0.03% free acid (as HCOOH)
color
APHA: ≤10
pH
2.8-4.0
bp
97 °C
mp
-15 °C
density
1.09 g/mL at 25 °C (lit.)
SMILES string
[H]C([H])=O
InChI
1S/CH2O/c1-2/h1H2
InChI key
WSFSSNUMVMOOMR-UHFFFAOYSA-N
General description
Application
Biochem/physiol Actions
1 of 1
This Item | |||
|---|---|---|---|
| technique(s) tissue processing: suitable | technique(s) electrophoresis: suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - |
| Quality Level 200 | Quality Level 100 | Quality Level 300 | Quality Level - |
| form liquid | form liquid | form - | form liquid |
| pH 2.8-4.0 | pH 2.8-4.0 | pH - | pH - |
| vapor density 1.03 (vs air) | vapor density 1.03 (vs air) | vapor density 1.03 (vs air) | vapor density 1.03 (vs air) |
| bp 97 °C | bp - | bp - | bp 97 °C ((37% solution) (lit.)) |
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Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 1 - STOT SE 3
target_organs
Eyes,Central nervous system, Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
133.0 °F - closed cup
flash_point_c
56.11 °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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