1.00317

Supelco

Hydrochloric acid fuming 37%

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):
Hydrogen chloride solution, Hydrochloric acid
Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
Beilstein/REAXYS Number:
1098214
MDL number:

storage conditions

Store at +2°C to +25°C.

Quality Level

grade

ACS reagent

Agency/Method

reag. ISO
reag. Ph. Eur.

vapor density

1.3 (vs air)

vapor pressure

190 hPa ( 20 °C)
3.23 psi ( 21.1 °C)
7.93 psi ( 37.7 °C)

pH

<1 (20 °C in H2O)

bp

>100 °C (lit.)

density

1.19 g/cm3 at 20 °C
1.2 g/mL at 25 °C (lit.)

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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Analysis Note

Assay (alkalimetric): 37.0 - 38.0 %
Identity: passes test
Color: ≤ 10 Hazen
Appearance: passes test
Appearance of solution: passes test
Bromide (Br): ≤ 50 ppm
Free chlorine (Cl): ≤ 0.4 ppm
Phosphate (PO₄): ≤ 0.5 ppm
Sulfate (SO₄): ≤ 0.5 ppm
Sulfite (SO₃): ≤ 0.5 ppm
Heavy metals (as Pb): ≤ 1 ppm
Ag (Silver): ≤ 0.020 ppm
Al (Aluminium): ≤ 0.050 ppm
As (Arsenic): ≤ 0.010 ppm
Au (Gold): ≤ 0.050 ppm
B (Boron): ≤ 0.100 ppm
Ba (Barium): ≤ 0.010 ppm
Be (Beryllium): ≤ 0.010 ppm
Bi (Bismuth): ≤ 0.050 ppm
Ca (Calcium): ≤ 0.300 ppm
Cd (Cadmium): ≤ 0.010 ppm
Co (Cobalt): ≤ 0.010 ppm
Cr (Chromium): ≤ 0.010 ppm
Cu (Copper): ≤ 0.010 ppm
Fe (Iron): ≤ 0.100 ppm
Ga (Gallium): ≤ 0.050 ppm
Ge (Germanium): ≤ 0.020 ppm
Hg (Mercury): ≤ 0.010 ppm
K (Potassium): ≤ 0.100 ppm
Li (Lithium): ≤ 0.010 ppm
Mg (Magnesium): ≤ 0.050 ppm
Mn (Manganese): ≤ 0.010 ppm
Mo (Molybdenum): ≤ 0.010 ppm
NH₄ (Ammonium): ≤ 1 ppm
Na (Sodium): ≤ 0.300 ppm
Ni (Nickel): ≤ 0.020 ppm
Pb (Lead): ≤ 0.010 ppm
Pt (Platinum): ≤ 0.100 ppm
Sn (Tin): ≤ 0.050 ppm
Sr (Strontium): ≤ 0.010 ppm
Ti (Titanium): ≤ 0.020 ppm
Tl (Thallium): ≤ 0.020 ppm
V (Vanadium): ≤ 0.010 ppm
Zn (Zinc): ≤ 0.050 ppm
Zr (Zirconium): ≤ 0.020 ppm
Residue on ignition (as SO₄): ≤ 3 ppm
Non volatile matter: ≤ 10 ppm
Expiry date : see product label

Legal Information

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Protocols
Photometric determination with Chromazurole S subsequent to fusion melting
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Photometric determination with Chromazurole S subsequent to acid mineralisation; DIN decomposition
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Photometric determination subsequent to acid mineralisation
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