MilliporeSigma
All Photos(1)

Documents

77234

Sigma-Aldrich

Perchloric acid

puriss. p.a., ACS reagent, packed in coated, shock- and leak-protected glass bottle, ≥60% (T)

Sign Into View Organizational & Contract Pricing

Synonym(s):
PCA
Linear Formula:
HClO4
CAS Number:
Molecular Weight:
100.46
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent
puriss. p.a.

form

liquid

quality

packed in coated, shock- and leak-protected glass bottle

concentration

≥60% (T)

impurities

≤0.00005% free chlorine (Cl)
≤0.001% total nitrogen (N)

ign. residue

≤0.003% (as SO4)

density

1.670 g/cm3

anion traces

chlorate (ClO3-): ≤10 mg/kg
chloride (Cl-): ≤3 mg/kg
phosphate, silicate (as SiO2): ≤5 mg/kg
sulfate (SO42-): ≤10 mg/kg

cation traces

Ag: ≤0.1 mg/kg
Al: ≤0.05 mg/kg
As: ≤0.05 mg/kg
Ba: ≤0.02 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.05 mg/kg
Cu: ≤0.1 mg/kg
Fe: ≤1 mg/kg
K: ≤0.1 mg/kg
Li: ≤0.02 mg/kg
Mg: ≤0.5 mg/kg
Mn: ≤0.02 mg/kg
Mo: ≤0.05 mg/kg
Ni: ≤0.1 mg/kg
Pb: ≤0.05 mg/kg
Sr: ≤0.02 mg/kg
Tl: ≤0.05 mg/kg
Zn: ≤0.1 mg/kg

SMILES string

OCl(=O)(=O)=O

InChI

1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)

InChI key

VLTRZXGMWDSKGL-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 3

This Item
PX03971.09065
vibrant-m

77234

Perchloric acid

vibrant-m

PX0397

Perchloric acid

vibrant-m

1.09065

Perchloric acid

Quality Level

200

Quality Level

200

Quality Level

200

grade

ACS reagent, puriss. p.a.

grade

-

grade

-

impurities

≤0.00005% free chlorine (Cl), ≤0.001% total nitrogen (N)

impurities

-

impurities

-

cation traces

Ag: ≤0.1 mg/kg, As: ≤0.05 mg/kg, Bi: ≤0.1 mg/kg, Cd: ≤0.05 mg/kg, Cu: ≤0.1 mg/kg, K: ≤0.1 mg/kg, Mg: ≤0.5 mg/kg, Mo: ≤0.05 mg/kg, Pb: ≤0.05 mg/kg, Tl: ≤0.05 mg/kg, Al: ≤0.05 mg/kg, Ca: ≤0.5 mg/kg, Fe: ≤1 mg/kg, Mn: ≤0.02 mg/kg, Sr: ≤0.02 mg/kg, Ba: ≤0.02 mg/kg, Li: ≤0.02 mg/kg, Zn: ≤0.1 mg/kg, Co: ≤0.05 mg/kg, Ni: ≤0.1 mg/kg

cation traces

-

cation traces

-

form

liquid

form

-

form

liquid

General description

Perchloric acid (HClO4), an oxygen acid of chlorine, is a colorless liquid. It is strongly acidic in nature. Hydrates of perchloric acid are obtained on its dissolution in water.

Other Notes

Reagent for the decomposition of metals and organic compounds (danger of explosions)

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Ox. Liq. 1 - Skin Corr. 1A - STOT RE 2

target_organs

Thyroid

Storage Class

5.1A - Strongly oxidizing hazardous materials

wgk_germany

WGK 1


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 9

1 of 9

Perchloric acid OmniTrace

Supelco

PX0397

Perchloric acid

Perchloric acid 60% for analysis EMSURE® ACS

Supelco

1.00518

Perchloric acid 60%

Supelco

Supelco

89498

Selenium Standard for AAS

Perchloric acid in anhydrous acetic acid, for titrations in non-aqueous media c(HClO4) = 0.1 mol/l (0.1 N), Titripur®, reag. Ph. Eur., reag. USP

Supelco

1.09065

Perchloric acid

(-)-Nicotine for synthesis

Sigma-Aldrich

8.20877

(-)-Nicotine

Nitric acid 65% for analysis EMSURE® Reag. Ph Eur,ISO

Supelco

1.00456

Nitric acid 65%

Sulfuric acid for the determination of nitrogen, ≥97.0%

Supelco

84727

Sulfuric acid

R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Sulfur in plant materials by digestion with nitric and perchloric acid.
Blanchar RW, et al.
Soil Science Society of America Journal. Soil Science Society of America, 29(1), 71-72 (1965)
Eagleson M.
Concise Encyclopedia Chemistry, 790-790 (1994)
Eagleson M.
Concise Encyclopedia Chemistry, 849-849 (1994)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service