320331

Sigma-Aldrich

Hydrochloric acid

ACS reagent, 37%

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

Quality Level

grade

ACS reagent

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

hazcat

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 Germany

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the concentration of Product 320331, Hydrochloric acid?

    The specification range for concentration of 36.5 - 38.0% corresponds to a concentration range of 12.0 - 12.5 M.

  5. What does ACS stand for?

    ACS is the abbreviation for American Chemical Society. ACS grade reagents conform to specifications published by the American Chemical Society, and are suitable for use in analytical procedures.

  6. Is the concentration for Product 320331, Hydrochloric acid, given as w/w or w/v?

    The American Chemical Society specifies the concentration reported on a weight/weight basis.

  7. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  8. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

  9. My question is not addressed here, how can I contact Technical Service for assistance?

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