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Chemical Profile
4.8(2156)

HYDROCHLORIC ACID (PK)

CAS: 7647-01-0 Grade: Technical Grade Formula: ClH
Chemical Structure
HYDROCHLORIC ACID (PK) structural formula
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Identity

CAS Number7647-01-0
IUPAC Namechlorane
Molecular FormulaClH
Molecular Weight36.46
GradeTechnical Grade
PurityCommon commercial strength 30% to 37%
EC Number231-595-7
UN Number1789
HS Code2806.10
SynonymsHydrogen chloride solution, muriatic acid

Physical Properties

AppearanceColorless to pale yellow liquid
OdorSharp, pungent acidic odor
pH<1
Density1.15 to 1.19 g/cm3 (commercial solution)
Melting PointVaries by concentration
Boiling PointApprox. 84 to 110 C depending on concentration
Flash PointNot flammable
SolubilityCompletely miscible with water.
Storage ConditionsStore in corrosion-resistant containers away from bases, oxidizers, and reactive metals with strong ventilation.

Safety & Compliance

Corrosion GHS05
Exclamation GHS07
Hazard StatementsH290: May be corrosive to metals. H314: Causes severe skin burns and eye damage. H335: May cause respiratory irritation.
Regulatory ReferencesGHS Labeling, OSHA HazCom, UN corrosive transport controls, and REACH documentation where applicable.
Key UsespH control, metal pickling, water treatment, cleaning chemistry, and process acidulation.

Commercial Supply

Price Valid Until2026-05-11
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