Water, ultrapure, Spectrophotometric Grade

Maximum level of impurities: Evaporation residue 2ppm, Specific conductance at 25° 1.5μ mhos/cm, SiO₂ 0.01ppm, Heavy metals (as Pb) 0.01ppm, Substances reducing permanganate P.T. | CAS: 7732-18-5 | H2O | 18.015 g/mol

Catalog Number	Quantity
019391.K2 also known as 019391-K2	1 L

Catalog number 019391.K2

also known as 019391-K2

Price (CNY)

Quantity:

Request bulk or custom format

Chemical Identifiers

CAS7732-18-5

IUPAC Namewater

Molecular FormulaH2O

InChI KeyXLYOFNOQVPJJNP-UHFFFAOYSA-N

SMILESO

Specifications

Impurity contentSubstances reducing permanganate: Passes Test

Optical Absorbance at400 nm: ≤ 0.005 AU

Residue on Evaporation≤1.0ppm

Specific Conductance≤1.5 µS/cm (25°C, at time of packaging)

Optical Absorbance at190 nm: ≤0.010 AU

Water ultrapure is used in spectrophotometry and environmental testing. It is also used in conductometric titration.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

RUO – Research Use Only