Hydrochloric Acid: grade & concentration comparison

Alliance Chemical stocks 14 variants of Hydrochloric Acid (CAS 7647-01-0): ACS Reagent 37%, Technical Grade 37%, ACS 31%, Technical Grade 31%, ACS 25%, Technical 25%, ACS 20%, Technical 20%, ACS 15%, Technical Grade 15%, ACS 10%, Technical 10%, ACS 5%, Technical Grade 5%. Compare grade, concentration, and transport classification below, then open the SDS, technical data sheet, or certificate of analysis for the variant you need.

CAS 7647-01-0 · 14 variants

VariantGradeConcentrationHazardDocuments
Hydrochloric Acid 37% ACS Reagent Grade in a 1-gallon plastic jug, Alliance Chemical, for chemical synthesis and metal picklingHydrochloric Acid 37% ACS Reagent GradeACS Reagent37%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 37% Technical Grade 1-gallon plastic jug for metal pickling and pH adjustment, Alliance ChemicalHydrochloric Acid 37% (HCL 37%) - Technical GradeTechnical Grade37%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 31% ACS Reagent Grade in a 1-gallon white plastic jug by Alliance ChemicalHydrochloric Acid 31% ACS GradeACS31%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 31% Technical Grade in a 1-gallon jug for steel pickling and industrial pH adjustment, Alliance ChemicalHydrochloric Acid 31% Technical GradeTechnical Grade31%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 25% ACS Reagent Grade liquid in a 1-gallon white plastic jug, Alliance ChemicalHydrochloric Acid 25% ACS GradeACS25%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 25% Technical Grade in a 1-gallon plastic jug by Alliance ChemicalHydrochloric Acid 25% Technical GradeTechnical25%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 20% ACS Reagent Grade in a 1-gallon plastic jug, Alliance ChemicalHydrochloric Acid 20% ACS GradeACS20%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 20% Technical Grade 1-gallon translucent plastic jug from Alliance ChemicalHydrochloric Acid 20% Technical GradeTechnical20%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 15% ACS Reagent Grade in a 1-gallon white plastic jug from Alliance ChemicalHydrochloric Acid 15% ACS GradeACS15%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 15% Technical Grade 1-gallon jug for concrete etching from Alliance ChemicalHydrochloric Acid 15% Technical GradeTechnical Grade15%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 10% ACS Reagent Grade in a 1-gallon plastic jug, Alliance ChemicalHydrochloric Acid 10% ACS GradeACS10%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 10% Technical Grade in a 1-gallon plastic jug, Alliance ChemicalHydrochloric Acid 10% Technical GradeTechnical10%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 5% ACS Reagent Grade in a 1-gallon plastic jug from Alliance ChemicalHydrochloric Acid 5% ACS GradeACS5%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA
Hydrochloric Acid 5% Technical Grade 1-gallon plastic jug, Alliance Chemical, for metal pickling and scale removalHydrochloric Acid 5% Technical GradeTechnical Grade5%
GHS pictogram: CorrosiveGHS pictogram: Irritant / harmful
CLASS 8 · UN1789Danger
SDSTDSCOA

About these grades

All variants share CAS 7647-01-0. Grade and concentration determine purity specification and strength; each variant's exact specification, hazard classification, and a certificate of analysis are published by Alliance Chemical and linked above. Lot-specific certificates ship with every order.