chromotropic acid disodium salt 98.5% ar

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Description

Versatile analytical reagent for the TLC determination of the methylenedioxy group for the estimation of ethylene glycol in biological materials reagent for chromium, nitrate and titanium. Suitable for formaldehyde determination.
1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt; 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt

CAS 5808-22-0
Molecular Formula C10H6Na2O8S2.2H2O
Molecular Weight 400.29
Shelf Life 60 Months
Physical Properties
Physical State at 20 °C Solid Colour Brown powder
Odour Odorless Melting Point/ Freezing Point [°C] >300°C
Solubility in Water [% weight] Soluble in water
Specifications
Appearance Grayish white to grayish brown powder Assay (Acidimetric) Min 98.5%
Appearance of Solution Passes test Water (By Kf) 8.5 – 9.5%
Suitability (For Determination of Formaldehyde) Passes test Suitability (For Determination of Nitrate) 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

chromotropic acid disodium salt 98.5% ar

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SKU C00812-00010-HS Category
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