Acids & Salts Available to Source

Hydrochloric Acid

HCl
CAS 7647-01-0 · MF ClH · MW 36.46 g/mol · UN 1789 (HYDROCHLORIC ACID, SOLUTION)

Hydrochloric Acid (HCl) is a strong inorganic acid that serves as a critical chemical for pH adjustment applications across multiple industrial sectors. This highly soluble, corrosive liquid chemical is extensively utilized in agriculture, HI&I cleaning, industrial manufacturing, mining, oil & gas, and water treatment operations. With a molecular weight of…

SDS / TDS Download
CAS Number
7647-01-0
Molecular Formula
ClH
Molecular Weight
36.46 g/mol
Material Family
Acids & Salts
Functional Roles
Physical Properties
melting_point
-174.6 u00b0F (Melting point is -13.7 u00b0F for a 39.17% weight/weight solution.) (EPA, 1998)
boiling_point
123 u00b0F at 760 mmHg (USCG, 1999)
density
1.05 at 59 u00b0F for 10.17% weight/weight solution (EPA, 1998) - Denser than water; will sink
solubility
82.3 g/100 g at 32 u00b0F (NTP, 1992)
vapor_pressure
413.6 mmHg (USCG, 1999)
GHS / SDS Safety Danger
Acute Toxic Environmental Hazard Irritant Health Hazard Compressed Gas Corrosive
  • H331: Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
  • H290 (22.8%): May be corrosive to metals [Warning Corrosive to Metals]
  • H330: Fatal if inhaled [Danger Acute toxicity, inhalation]
  • H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
  • H318 (20%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H280 (24.3%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
  • H335 (59%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
  • H314 (99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H331 (49.4%): Toxic if inhaled [Danger Acute toxicity, inhalation]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
  • H301: Toxic if swallowed [Danger Acute toxicity, oral]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
CAS Number7647-01-0
IUPAC Namechlorane
InChI KeyVEXZGXHMUGYJMC-UHFFFAOYSA-N
PubChem CID 313
INCI NameHYDROCHLORIC ACID
Synonyms & Trade Names
hydrochloric acid hydrogen chloride Muriatic acid chlorane Chlorohydric acid Anhydrous hydrochloric acid Acide chlorhydrique Chlorwasserstoff Muriaticum acidum Chloorwaterstof Chlorowodor Hydrogen chloride (HCl) Acido cloridrico Aqueous hydrogen chloride chlorure d'hydrogene
Full Description

Hydrochloric Acid (HCl) is a strong inorganic acid that serves as a critical chemical for pH adjustment applications across multiple industrial sectors. This highly soluble, corrosive liquid chemical is extensively utilized in agriculture, HI&I cleaning, industrial manufacturing, mining, oil & gas, and water treatment operations. With a molecular weight of 36.46 and high water solubility (82.3 g/100 g at 32°F), HCl provides reliable acidification and pH control in demanding industrial processes.