 Home > Encyclopedia > Hydrochloric acid

Hydrochloric acid

Hydrochloric acid structure

CAS No:
7647-01-0
Formula:
ClH
Chemical Name:
Hydrochloric acid
Synonyms:
Hydrochloric acid;Anhydrous hydrochloric acid;Chlorohydric acid;Dilute hydrochloric acid;Hydrogen chloride;Muriatic acid;Hydrogen chloride (HCl);Hydrochloric acid gas;Enplate PO 236;Chloridric acid;NSC 77365;Baume HCL;ICON Etch;HCl;113962-65-5;51005-19-7;61674-62-2;218625-68-4
Categories:
Inorganic Chemistry > Inorganic Acid

Description

The compound hydrogen chloride has the chemical formula HCl. At room temperature, it is a colorless gas, which forms white fumes of hydrochloric acid upon contact with atmospheric humidity. Hydrogen chloride gas and hydrochloric acid are important in technology and industry. Hydrochloric acid, the aqueous solution of hydrogen chloride, is also commonly given the formula HCl.

Hydrochloric acid Basic Attributes

Molecular Weight：

36.4609

Exact Mass：

35.9767

HScode：

2806100000

Characteristics

PSA：

XLogP3：

0.802

Appearance：

A colorless gas with a sharp, pungent odor.

Density：

1.18

Melting Point：

-35ºC

Boiling Point：

57ºC

Flash Point：

N/A

Water Solubility：

miscible

Storage Conditions：

2-8ºC

Vapor Pressure：

613 psi ( 21.1 °C)

Vapor Density：

1.3 (vs air)

Safety Information

Packing level：

Hazard category：

wgk germany：

hazard class code：

R34; R37

RTECS Number：

MW4025000

Marks：

Stability/Shelf Life：

Stable. Incompatible with alkalies, most metals. Avoid contact with water.

Precautionary statement(s)：

S26-S45

Hazard Statements：

RIDADR：

UN 1789

Caution Statement：

P261; P280; P303 + P361 + P353; P304 + P340 + P310; P305 + P351 + P338; P403 + P233

Computed Properties

Molecular Weight:36.46
XLogP3:0.8
Hydrogen Bond Donor Count:1
Exact Mass:35.9766777
Monoisotopic Mass:35.9766777
Heavy Atom Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Synthesis Route

10568-90-8

10568-85-1

Material

p-Phenylenediamine

Hydrogen

Sodium carbonate

Potassium chloride

Sodium chloride

Nitrogen

Oxygen

1,2-Dichlorobenzene

Price Analysis

Make your Hydrochloric acid purchase based on the price and market insights! ECHEMI provides professional market insights with prices for you to make a better choice. Learn more on Hydrochloric acid prices .

Data: 2026-07-15
Price: 182.00Yuan/mt
Change: 0

Drug Function and Efficacy

Used to adjust the pH of formulations to ensure stability and optimal conditions for active ingredient performance

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

REFLUX- acetyl coenzyme a, adenosinum triphosphoricum dinatrum, nadidum, argentum nitricum, ipecacuanha, robinia pseudoacacia, sulphur, origanum vulgare, duodenum (suis), esophagus (suis), funiculus umbilicalis suis, stomach (suis), nux vomica, coumarinum, erythraea centaurium, pepsinum, muriaticum acidum, citricum acidum, formicum acidum, sarcolacticum acidum, proteus (morgani)_liquid
Manufacturer	Deseret Biologicals, Inc.

LUMIFY PRESERVATIVE FREE EYE DROPS- brimonidine tartrate_solution/ drops
Manufacturer	Bausch & Lomb Incorporated

ADAPALENE- adapalene_gel
Manufacturer	Walgreens

See More Related Drugs

Registered Holders

Sichuan Jinshan Pharmaceutical Co., Ltd.

China
Active
Nanjing Chemical Reagent Co., Ltd.

China
Active
Chengdu HUAYI Pharmaceutical Excipients Manufacturing Co., Ltd.

China
Active

See More Registered Holders