calcon

Six white plastic bottles with red caps of varying sizes are lined up in ascending order against a plain gray background.
Three chemical solution bottles with red caps are arranged side by side against a gray background. The labels read "Methyl Orange Indicator Solution" and "Fehling's Solution No. A.
Three white chemical bottles with red caps, labeled "Chemnovyo," arranged in order of size against a plain gray background.
Four plastic bottles of chemical reagents with red caps, labeled for different substances, are arranged in size order against a gray background.
Five black plastic chemical bottles of various sizes are arranged on a gray surface against a dark gray background. Labels are visible but not fully legible.
Six brown pharmaceutical containers of varying sizes with white and red ChemBooz labels are arranged in a row against a plain gray background.
Three black plastic bottles of nitric acid with white hazard labels are arranged in a row against a grey background.
Two brown glass bottles with red caps, labeled as chemical containers, are placed side by side on a gray surface with a dark background.
Two white plastic chemical containers with black lids, labeled "Chemnovato." The left contains Magnesium Sulphate, and the right contains Acetyl Salicylic Acid, both on a gray background.
Three chemical bottles labeled Toluene, Iso-Propyl Alcohol, and Chloroform are arranged side by side on a gray background.
Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.
Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.
Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Description

CAS 2538-85-4
Molecular Formula C20H13N2NaO5S
Molecular Weight 416.39
Shelf Life 60 Months
Physical Properties
Physical State at 20 °C Solid Colour Blackish brown
Odour Odorless Solubility in Water [% weight] Moderate (1-10%)
Specifications
Appearance Dark blackish brown powder Identity (Uv/Vis Spectrum) Passes test
Absorption Maxima ?Max. (Buffer pH 12.2) 634 – 640 nm Specific Absorptivity A1%,1Cm (?Max;0.0015%;Buffer pH 12.2, Calculated On Dried Substance) 250-500
Loss On Drying (At 110°C) Max 10.0% Suitability (As Indicator For Metal Titration) Passes test
Dangerous Goods Information
UN Number – DG Class –
Safety Information & Hazard Symbols
Symbol GHS07
Signal Word Warning
Hazard Statement H315-H319-H335
Precaution Statement P261-P305 + P351 + P338

calcon

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SKU C00666-00025-HS Category
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