perchloric acid

• ChemBase ID: 128872
• Molecular Formular: ClHO4
• Molecular Mass: 100.45854
• Monoisotopic Mass: 99.95633619
• SMILES: O[Cl](=O)(=O)=O
• Canonical SMILES: O[Cl](=O)(=O)=O
• InChI: InChI=1S/ClHO4/c2-1(3,4)5/h(H,2,3,4,5)
• InChIKey: VLTRZXGMWDSKGL-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: perchloric acid
• IUPAC Traditional name: perchloric acid
• Synonyms: PCA; Perchloric acid; Perchloric acid solution; Perchloric acid solution; Perchloric acid concentrate; Perchloric acid, ACS; Perchloric acid standardized solution in acetic acid; Perchloric acid, 0.1N in Acetic Acid Standardized Solution; Perchloric acid, Environmental Grade; Hyperchloric acid; Perchloric acid; 高氯酸 溶液; 高氯酸, ACS; 高氯酸, 0.1N乙酸标准溶液; 高氯酸, 环境级; Perchloric acid; 高氯酸

Database IDs

• CAS Number: 7601-90-3
• EC Number: 231-512-4; 231-791-2
• MDL Number: MFCD00011325
• Merck Index: 147153
• PubChem SID: 162223175; 24858522; 24858603; 24854660; 24886813; 24886814; 24861821; 24863951; 24858523; 24859150; 24863718; 24861081; 24886812; 24886816; 24886815
• PubChem CID: 24247
• CHEBI ID: 29221
• CHEMBL: 1161634
• Chemspider ID: 22669
• Wikipedia Title: Perchloric_acid

CALCULATED PROPERTIES

• Acid pKa: -6.8919964
• H Acceptors: 4
• H Donor: 1
• LogD (pH = 5.5): -2.4740524
• LogD (pH = 7.4): -2.4740524
• Log P: -0.097653694
• Molar Refractivity: 13.0296 cm^3
• Polarizability: 5.496487 Å^3
• Polar Surface Area: 71.44 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: miscible in water
• Apperance: APHA: ≤10; colorless liquid; Liquid; Liquid, single sub-boiling quartz distillation
• Melting Point: -112°C; -17 C (azeotrope); -112 °C (anhydrous)
• Boiling Point: 203 C (azeotrope)
• Flash Point: 104 °F; 113 °C; 235.4 °F; 40 °C
• Density: 1.055 g/mL at 25 °C; 1.41; 1.535 g/mL at 25 °C; 1.54; 1.664 g/mL at 25 °C; 1.67; 1.67 g/cm^3; 1.670
• Vapor Pressure: ~11 mmHg ( 20 °C); 6.8 mmHg ( 25 °C); 7 mmHg ( 25 °C)
• Vapor Density: ~2.1 (vs air)
• pKa: ≈ -8

Safety Information

• RTECS: SC7500000
• European Hazard Symbols: Corrosive (C); Corrosive (C); Oxidising (O); Oxidant (O); Irritant (Xi)
• UN Number: 1802; 1873; 2920; 3264; UN1802; UN1873; UN2920
• German water hazard class: 1; nwg
• Hazard Class: 5.1; 8
• Packing Group: 1; 2; 3; I; II
• Risk Statements: 10-35; 34; 36/38; 5-8-35; R5, R8, R35
• Safety Statements: 17-26-36/37/39-45-60; 23-26-36/37/39-45-60; 23-26-36-45; 26; 26-36/37/39-45; S1/2, S23, S26, S36, S45
• TSCA Listed: 是
• EU Index: 017-006-00-4
• GHS Pictograms: GHS02; GHS03; GHS05; GHS07
• GHS Signal Word: Danger; Warning
• NFPA704:
  

  0

  3

  3

  OX
• GHS Hazard statements: H226-H314; H271-H314; H271-H314-H318-H302; H272-H314; H314-H226; H315-H319
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A; P220-P280-P305 + P351 + P338-P310; P221-P210-P303+P361+P353-P305+P351+P338-P405-P501A; P221-P283-P303+P361+P353-P305+P351+P338-P405-P501A; P280-P305 + P351 + P338-P310; P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, Gloves; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, Gloves, Goggles
• RID/ADR: UN 1802 8/PG 2; UN 1873 5.1/PG 1; UN 2920 8/PG 2; UN 3264 8/PG 3

Product Information

• Purity: ≥60% (T); ≥69% (T); 20%; 48-50%; 60%; 60.0-62.0% (ACS specification); 60-62%; 67-71%; 67-72%; 67-72% (T); 69.0-72.0%; 69.0-72.0% (ACS specification); 70%; 70%, 99.9985% (metals basis); 70.0-72.0%; 99.999% trace metals basis
• Concentration: 0.01 M HClO4 in acetic acid (0.01N); 0.01 M HClO4 in H2O (0.01N); 0.0950-0.1050 N (Exact value stated on label); 0.1 M; 0.1 M HClO4 (0.1N); 0.1 M HClO4 in glacial acetic acid (0.1N); 0.1 M in acetic acid; 1.0 M HClO4 (1.0N); 1/10 N; 1/10 N in acetic acid; 60.0-62.0%; 70.0-72.0%; 99.05 wt. % in dilute acetic acid
• Grade: ACS reagent; ACS reagent, reag. ISO, reag. Ph. Eur.; for titration in non-aqueous medium; for trace analysis; JIS special grade; puriss. p.a.; SAJ first grade; SAJ super special grade; TraceSELECT®; TraceSELECT® Ultra
• Packaging: pkg of 0.1 mol (10.046 g HClO4)
• Suitability: suitable for determination of toxic metals
• Ignition Residue: ≤0.003%; ≤0.003% (as SO4)
• Impurities: ≤0.00005% free chlorine (Cl); ≤0.0001% heavy metals (as Pb); ≤0.001% N compounds; ≤0.001% total nitrogen (N); ≤0.2% water (Karl Fischer); ≤1 mg/kg total phosphorus (as PO4); ≤1 mg/kg total sulfur (as SO4) (ICP); ≤200 μg/kg total phosphorus as PO4 (ICP); ≤200 μg/kg total sulfur as SO4 (ICP); ≤5 ppm Silicate and phosphate (as SIO2); 0.1-0.5% water (Karl Fischer)
• Cation Traces: Ag: ≤0.05 μg/kg; Ag: ≤0.1 mg/kg; Ag: ≤1 μg/kg; Al: ≤0.05 mg/kg; Al: ≤5 μg/kg; As: ≤0.05 mg/kg; As: ≤0.5 μg/kg; As: ≤1 μg/kg; Au: ≤0.05 μg/kg; Au: ≤0.5 μg/kg; Ba: ≤0.02 mg/kg; Ba: ≤0.1 μg/kg; Ba: ≤1 μg/kg; Be: ≤0.02 mg/kg; Be: ≤0.1 μg/kg; Be: ≤1 μg/kg; Bi: ≤0.05 μg/kg; Bi: ≤0.1 mg/kg; Bi: ≤0.5 μg/kg; Ca: ≤0.5 mg/kg; Ca: ≤10 μg/kg; Ca: ≤5 μg/kg; Cd: ≤0.05 mg/kg; Cd: ≤0.05 μg/kg; Cd: ≤1 μg/kg; Ce: ≤0.05 μg/kg; Ce: ≤0.5 μg/kg; Co: ≤0.05 mg/kg; Co: ≤0.1 μg/kg; Co: ≤1 μg/kg; Cs: ≤0.05 μg/kg; Cs: ≤0.5 μg/kg; Cu: ≤0.1 mg/kg; Cu: ≤0.5 μg/kg; Cu: ≤1 μg/kg; Dy: ≤0.05 μg/kg; Er: ≤0.05 μg/kg; Eu: ≤0.05 μg/kg; Fe: ≤1 mg/kg; Fe: ≤1 ppm; Fe: ≤1 μg/kg; Fe: ≤5 μg/kg; Ga: ≤0.05 μg/kg; Ga: ≤0.5 μg/kg; Gd: ≤0.05 μg/kg; Ge: ≤0.05 mg/kg; Ge: ≤0.1 μg/kg; Ge: ≤0.5 μg/kg; heavy metals (as Pb): ≤1 ppm; Hg: ≤0.005 mg/kg; Hg: ≤0.5 μg/kg; Hg: ≤2 μg/kg; Ho: ≤0.05 μg/kg; In: ≤0.05 μg/kg; In: ≤0.5 μg/kg; K: ≤0.1 mg/kg; K: ≤10 μg/kg; K: ≤5 μg/kg; La: ≤0.05 μg/kg; Li: ≤0.02 mg/kg; Li: ≤0.05 μg/kg; Li: ≤0.5 μg/kg; Lu: ≤0.05 μg/kg; Mg: ≤0.5 mg/kg; Mg: ≤0.5 μg/kg; Mg: ≤5 μg/kg; Mn: ≤0.02 mg/kg; Mn: ≤0.1 μg/kg; Mn: ≤1 μg/kg; Mo: ≤0.05 mg/kg; Mo: ≤0.1 μg/kg; Mo: ≤0.5 μg/kg; Na: ≤10 μg/kg; Na: ≤20 μg/kg; Nb: ≤0.05 μg/kg; Nd: ≤0.05 μg/kg; Ni: ≤0.1 mg/kg; Ni: ≤0.1 μg/kg; Ni: ≤1 μg/kg; Pb: ≤0.05 mg/kg; Pb: ≤0.05 μg/kg; Pb: ≤0.5 μg/kg; Pd: ≤0.5 μg/kg; Pr: ≤0.05 μg/kg; Pt: ≤0.1 μg/kg; Pt: ≤0.5 μg/kg; Rb: ≤0.1 μg/kg; Rb: ≤0.5 μg/kg; Sb: ≤0.1 μg/kg; Sb: ≤0.5 μg/kg; Se: ≤0.5 μg/kg; Sm: ≤0.05 μg/kg; Sn: ≤0.1 μg/kg; Sn: ≤1 μg/kg; Sr: ≤0.02 mg/kg; Sr: ≤0.1 μg/kg; Sr: ≤0.5 μg/kg; Tb: ≤0.05 μg/kg; Th: ≤0.1 μg/kg; Ti: ≤0.1 mg/kg; Ti: ≤0.5 μg/kg; Ti: ≤1 μg/kg; Tl: ≤0.05 mg/kg; Tl: ≤0.05 μg/kg; Tl: ≤0.5 μg/kg; Tm: ≤0.05 μg/kg; U: ≤0.05 μg/kg; U: ≤0.5 μg/kg; V: ≤0.05 mg/kg; V: ≤0.2 μg/kg; V: ≤0.5 μg/kg; Y: ≤0.05 μg/kg; Yb: ≤0.05 μg/kg; Zn: ≤0.1 mg/kg; Zn: ≤1 μg/kg; Zn: ≤5 μg/kg; Zr: ≤0.1 mg/kg; Zr: ≤2 μg/kg
• Antion Traces: bromide (Br-): ≤1000 μg/kg; bromide (Br-): ≤500 μg/kg; chlorate (ClO3-): ≤10 mg/kg; chloride (Cl-): ≤0.001%; chloride (Cl-): ≤10000 μg/kg; chloride (Cl-): ≤3 mg/kg; fluoride (F-): ≤1000 μg/kg; fluoride (F-): ≤500 μg/kg; phosphate, silicate (as SiO2): ≤5 mg/kg; SiO32- and PO43-: ≤5 ppm; sulfate (SO42-): ≤0.001%; sulfate (SO42-): ≤10 mg/kg
• Shelf Life: (limited shelf life); (limited shelf life, expiry date on the label)
• Purified By: double-distillation
• Quality: for titration in non-aqueous liquids; for ultratrace analysis; packed in coated, shock- and leak-protected glass bottle; volumetric
• Factor: 1.000 ±0.001; 1.000 ±0.002
• Linear Formula: HClO4

DETAILS

Sigma Aldrich - 311421

Packaging
50, 250 mL in glass bottle

Sigma Aldrich - 34408

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 319228

General description
Visit our Titration Center to learn more.
Packaging
2 L in glass bottle
500 mL in glass bottle

Sigma Aldrich - 34288

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 35418

General description
Visit our Titration Center to learn more.

Sigma Aldrich - 50439

General description
This certified eluent concentrate for ion chromatography is traceable by potentiometric titration to NIST Standard Reference Material. It is certified in accordance with ISO Guide 31. All details about exact content, uncertainty, traceability and expiry date are described in the certificate.Download at: http://www.sigma-aldrich.com.
Preparation Note
Prepared with perchloric acid and high purity water (18.2 MΩ, 0.2 μm filtered)

Sigma Aldrich - 32046

General description
Visit our Titration Center to learn more.
concentration after dilution to 1L: 0.1mol/L (0.1N); amount of substance 0.1mol (10.046 g HClO4)
Packaging
glass ampoule

Sigma Aldrich - 77227

Packaging
1 L in glass bottle
100, 500 mL in glass bottle
Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 12415

Legal Information
TraceSELECT is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 77234

Other Notes
Reagent for the decomposition of metals and organic compounds (danger of explosions)1,2

Sigma Aldrich - 311413

Other Notes
ACS specifications same as product 244252, except for concentration
Packaging
1, 2.5 L in glass bottle
100, 500 mL in glass bottle

Sigma Aldrich - 77228

Application
Used for the decomposition of organic samples for det. of mercury

Sigma Aldrich - 24-1070

Suitability
for titration in nonaqueous solution

Sigma Aldrich - 244252

Packaging
100, 500 mL in glass bottle
2.5, 4×2.5 L in glass bottle
poly-coated bottles available: product numbers 244252-2.5L-CB and 244252-4X2.5L-CB