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Hydrochloric Acid, Reagent, 12 M, 100 mL

Flinn Chemicals, etc.
Catalog Number
Hydrochloric Acid, Reagent, 12 M, 100 mL
Product Description

ACS reagent
37 wt %
(sp. gr. = 1.19 at 20 ºC)
12 Molar
F.W. 36.46

HAZARD ALERT: Highly toxic by ingestion or inhalation; severely corrosive to skin and eyes.
Storage: Inorganic #9 in a dedicated acid cabinet. If one is not available, store in a Flinn Saf-Cube. See our special storage tip for additional information.
Cap Safety Color Code: Blue
Disposal: #24b
Shelf Life: Good if stored safely.
Soluble: Water
Color: Colorless
Odor: Very strong chlorine.
CAS No. 7647-01-0

Incompatability: Avoid storing hydrochloric acid anywhere in the vicinity of formaldehyde. A potent carcinogen, chloromethoxychloromethane, is formed when hydrochloric acid and formaldehyde react in air. This serious potential problem further emphasizes the need to store hydrochloric acid in a dedicated acid cabinet.

Safety Purchase Suggestion: Buy and store only small package sizes and small quantities. For safety reasons, Flinn offers larger sizes of hydrochloric acid and other hazardous substances in PVC-coated bottles. We have attempted to price the products in these safer containers as low as possible. In the event of breakage, acid and glass shards are safely retained in a PVC outer envelope. The PVC-coated bottle is a safer package for science teachers.

SPECIAL STORAGE TIP: Hydrochloric acid fumes a lot—particularly when warm. These fumes are responsible for most of the corrosion damage in your acid storage area. To solve this problem, store hydrochloric acid bottle(s) in a tightly sealed plastic bag. Be sure to label the outside of the plastic bag since acid fumes will soon destroy the bottle label. Spray the label on the bottle with Krylon® plastic spray (AP1559) if you wish to preserve it.


Krylon Label Spray, Clear
A permanent, waterproof, protective coating. Perfect for chemical storeroom shelf clips and bottle labels. Spray shelf clips on a yearly basis to greatly reduce the chance of corrosion. Krylon sprayed on labels prevents smudging and label destruction....
Flinn Catalog/Reference Manual Page 87
Flinn Middle School Catalog/Reference Manual Page 49

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