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320331

Sigma-Aldrich

Hydrochloric acid

ACS reagent, 37%

Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
Beilstein:
1098214
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent

Quality Level

vapor density

1.3 (vs air)

vapor pressure

3.23 psi ( 21.1 °C)
7.93 psi ( 37.7 °C)

assay

36.5-38.0% (ACS specification)
37%

form

liquid

impurities

≤1 ppm free chlorine

ign. residue

≤5 ppm

color

APHA: ≤10, free from suspended matter or sediment

bp

>100 °C (lit.)

density

1.2 g/mL at 25 °C (lit.)

anion traces

bromide (Br-): ≤0.005%
sulfate (SO42-): ≤1 ppm
sulfite (SO32-): ≤1 ppm

cation traces

As: ≤0.01 ppm
Fe: ≤0.2 ppm
NH4+: ≤3 ppm
heavy metals: ≤1 ppm (by ICP)

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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Packaging

500, 6×500 mL in PVC-coated bottle
2.5, 6×2.5 L in PVC-coated bottle
Single 2.5L units require a can opener to open the metal shipping container.

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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