Product Details
- Manufacturer
- Thermo Fisher Scientific
- SKU
- 13248203
About this product
 Hydrochloric acid, pure, fuming, 37%
Hydrochloric Acid (HCl), 37% Pure Fuming Grade, is a highly concentrated, volatile, and corrosive mineral acid widely used in analytical chemistry, industrial processes, and laboratory applications. This fuming variety emits pungent, acidic vapors at room temperature due to its high concentration and volatility, indicating its reactivity and potency. It is colorless to slightly yellow and completely miscible with water.This grade is suitable for applications requiring high purity and reactivity, including trace metal analysis, digestion processes, and high-performance material preparation.
Specifications:
| Feature | Details |
|---|---|
| Chemical Name | Hydrochloric Acid |
| Concentration | 37% w/w (approx. 12 M) |
| CAS Number | 7647-01-0 |
| Molecular Formula | HCl |
| Molar Mass | 36.46 g/mol |
| Appearance | Colorless to light yellow liquid |
| Odor | Pungent, sharp, irritating |
| Fuming | Yes (emits vapors in air due to volatility) |
| Purity Grade | Pure / Analytical Reagent Grade (depending on supplier) |
| Boiling Point | ~110 °C (azeotropic) |
| Density | ~1.19 g/cm³ at 20 °C |
| pH (1M solution) | <1 (strong acid) |
| Solubility | Miscible with water (exothermic reaction) |
| Storage | In tightly sealed acid-resistant containers, in a well-ventilated area |
| Hazard Classification | Corrosive (H314), Toxic vapors (H335), Acute Toxicity (H302) |
| UN Number | UN1789 (Hydrochloric Acid) |
Uses:
-
Analytical Chemistry: Sample digestion, trace metal analysis, and pH adjustment.
-
Industrial Applications: Metal cleaning, pickling of steel, production of chlorides, and water treatment.
-
Laboratory Reagent: Preparation of buffer solutions, acidification, titration, and synthesis of inorganic compounds.
-
Pharmaceuticals: Used in the production of active pharmaceutical ingredients (API) and pH control.
-
Food Industry (with lower grades): As a food additive (acidifier), though not applicable to fuming/pure grade.
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