| Formula / Notation | HCl |
|---|---|
| CAS Number | 7647-01-0 |
| Molecular Weight | 36.46 |
| Melting Point | -174.6 °F (Melting point is -13.7 °F for a 39.17% weight/weight solution.) (EPA, 1998) |
| Boiling Point | 123 °F at 760 mmHg (USCG, 1999) |
| Density | 1.05 at 59 °F for 10.17% weight/weight solution (EPA, 1998) - Denser than water; will sink |
| Solubility | 82.3 g/100 g at 32 °F (NTP, 1992) |
| Appearance | Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor. Consists of hydrogen chloride, a gas, dissolved in water. Sinks and mixes with water. Produces irritating vap... |
| Also Known As | chlorane; hydrogen chloride; 7647-01-0; Muriatic acid; Chlorohydric acid; Anhydrous hydrochloric acid; Acide chlorhydrique; Chlorwasserstoff; Muriaticum acidum; Chloorwaterstof |
| Category | Acids |
What is Hydrochloric acid?
Hydrochloric acid (HCl) is an acid that appears as Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor. Consists of hydrogen chloride, a gas, dissolved in water. Sinks and mixes with water. Produces irritating vap.... It has a molecular weight of 36.46 g/mol. Its IUPAC name is chlorane. Boiling point: 123 °F at 760 mmHg (USCG, 1999). Melting point: -174.6 °F (Melting point is -13.7 °F for a 39.17% weight/weight solution.) (EPA, 1998).
Formula & Notation
IUPAC Name: chlorane
Other Names / Synonyms: chlorane; hydrogen chloride; 7647-01-0; Muriatic acid; Chlorohydric acid; Anhydrous hydrochloric acid; Acide chlorhydrique; Chlorwasserstoff; Muriaticum acidum; Chloorwaterstof
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -174.6 °F (Melting point is -13.7 °F for a 39.17% weight/weight solution.) (EPA, 1998) |
| Boiling Point | 123 °F at 760 mmHg (USCG, 1999) |
| Density | 1.05 at 59 °F for 10.17% weight/weight solution (EPA, 1998) - Denser than water; will sink |
| Molecular Weight | 36.46 |
| Solubility | 82.3 g/100 g at 32 °F (NTP, 1992) |
| Appearance | Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor. Consists of hydrogen chloride, a gas, dissolved in water. Sinks and mixes with water. Produces irritating vap... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Hydrochloric acid (HCl) is an acid that appears as Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor. Consists of hydrogen chloride, a gas, dissolved in water. Sinks and mixes with water. Produces irritating vap.... It has a molecular weight of 36.46 g/mol. Its IUPAC name is chlorane. Boiling point: 123 °F at 760 mmHg (USCG, 1999). Melting point: -174.6 °F (Melting point is -13.7 °F for a 39.17% weight/weight solution.) (EPA, 1998).
Used in industrial chemical synthesis, fertilizer production, battery electrolytes, metal processing, and laboratory acid-base reactions.
Corrosive. Causes severe burns to skin, eyes, and respiratory tract. Wear appropriate PPE including gloves, goggles, and lab coat. Consult SDS before use.
The formula or notation for Hydrochloric acid is: HCl