1.17048

Sulfuric acid

95-97% for COD determination

• Synonym(s): Sulfuric acid
• Linear Formula: H₂SO₄
• CAS Number: 7664-93-9
• Molecular Weight: 98.08
• Beilstein/REAXYS Number: 2037554
• MDL number: MFCD00064589
• UNSPSC Code: 41116116
• EC Index Number: 231-639-5
• NACRES: NA.21

Properties

• product name: Sulfuric acid 95 - 97% for COD determination,
• vapor density: <0.3 (25 °C, vs air)
• Quality Level: 100
• vapor pressure: 0.0001 hPa ( 20 °C); 1 mmHg ( 146 °C)
• form: liquid
• analyte functional class(es): chemical oxygen demand (COD)
• concentration: ≤5 mg/L (CSB)
• technique(s): photometry: suitable
• pH: 0.3 (25 °C, 49 g/L in H₂O)
• bp: ~290 °C (lit.)
• mp: -20 °C
• density: 1.840 g/mL at 25 °C (lit.)
• compatibility: for use with Spectroquant^® Move 100; for use with Spectroquant^® Nova 60 A; for use with Spectroquant^® Prove 100; for use with Spectroquant^® Prove 300; for use with Spectroquant^® Prove 600
• storage temp.: 15-25°C
• SMILES string: OS(O)(=O)=O
• InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
• InChI key: QAOWNCQODCNURD-UHFFFAOYSA-N

Description

General description

We offer this sulfuric acid for the measurement of COD in seawater and other applications to be purchased together with the tests. When measuring COD e.g. in seawater with Spectroquant^® COD Cell Test Kits 1.17058, 1.17059 one needs to measure a blank as reference. More information can be found in the instruction leaflet.
The COD (chemical oxygen demand) expresses the amount of oxygen originating from potassium dichromate that reacts with the oxidizable substances contained in 1 l of water under the working conditions of the specified procedure.

Legal Information

SPECTROQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS05
• signalword: Danger
• hcodes: H290 - H314
• pcodes: P234 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Storage Class: 8A - Combustible, corrosive hazardous materials
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable