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Merck
CN

84426

Sigma-Aldrich

Hydrochloric acid

purum p.a., fuming 37%, ≥37% (T)

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About This Item

Empirical Formula (Hill Notation):
HCl
CAS Number:
Molecular Weight:
36.46
Beilstein:
1098214
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
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vapor density

1.3 (vs air)

vapor pressure

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

grade

purum p.a.

Assay

≥37% (T)

form

liquid

concentration

30-50%

color

light yellow

bp

>100 °C (lit.)

solubility

water: soluble

density

1.18 g/mL at 20 °C

anion traces

sulfate (SO42-): ≤10 mg/kg

cation traces

As: ≤0.1 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

SMILES string

Cl

InChI

1S/ClH/h1H

InChI key

VEXZGXHMUGYJMC-UHFFFAOYSA-N

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Other Notes

Sales restrictions may apply

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Eagleson M.
Concise Encyclopedia Chemistry, 46-46 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 52-52 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 65-65 (1994)
THE HYDROLYSIS OF CHITIN BY CONCENTRATED HYDROCHLORIC ACID, AND THE PREPARATION OF LOW-MOLECULAR-WEIGHT SUBSTRATES FOR LYSOZYME.
J A RUPLEY
Biochimica et biophysica acta, 83, 245-255 (1964-11-01)
Daejin Kim et al.
Environmental science & technology, 49(16), 9452-9459 (2015-06-25)
The rare earth elements (REEs) such as neodymium, praseodymium, and dysprosium were successfully recovered from commercial NdFeB magnets and industrial scrap magnets via membrane assisted solvent extraction (MSX). A hollow fiber membrane system was evaluated to extract REEs in a

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