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
244252
Perchloric acid
ACS reagent, 70%
Synonym(s):
PCA
About This Item
Recommended Products
grade
ACS reagent
Quality Level
vapor pressure
6.8 mmHg ( 25 °C)
Assay
70%
form
liquid
reaction suitability
reagent type: oxidant
technique(s)
toxicology assay: suitable
impurities
≤0.001% N compounds
≤5 ppm Silicate and phosphate (as SIO2)
ign. residue
≤0.003%
color
APHA: ≤10
density
1.664 g/mL at 25 °C
anion traces
chloride (Cl-): ≤0.001%
sulfate (SO42-): ≤0.001%
cation traces
Fe: ≤1 ppm
heavy metals: ≤1 ppm (by ICP)
SMILES string
OCl(=O)(=O)=O
InChI
1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)
InChI key
VLTRZXGMWDSKGL-UHFFFAOYSA-N
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Related Categories
General description
Application
It also may be used in the following studies:
Packaging
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 1 - Skin Corr. 1A - STOT RE 2
Target Organs
Thyroid
Storage Class Code
5.1A - Strongly oxidizing hazardous materials
WGK
WGK 1
Flash Point(F)
No data available
Flash Point(C)
No data available
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Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
Acid and base chart lists the strength of acids and bases (strongest to weakest) in order. Simple to use laboratory reference chart for scientists, researchers and lab technicians.
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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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