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Chromotropic acid disodium salt dihydrate

SIAL/126225 - technical grade

Synonym: 1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt; 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt

CAS Number: 5808-22-0
Empirical Formula (Hill Notation): C10H6Na2O8S2 · 2H2O
Molecular Weight: 400.29
EC Number: 204-972-9
MDL Number: MFCD00150612
Linear Formula: (HO)2C10H4(SO3Na)2·2H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-126225-100G 100 g
 $169.00
1/EA		 Add To Favorites
45-126225-500G 500 g
 $382.00
1/EA		 Add To Favorites
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 126225-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 126225-500G

 

assay ≥78.5%
form powder
grade technical grade
InChI 1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2/q;2*+1;;/p-2
InChI key QUEAKWJKJBFNEG-UHFFFAOYSA-L
mp >300 °C (lit.)
Quality Level 200 
SMILES string O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
Application: Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.
General description: Chromotropic acid disodium salt dihydrate is a tan colored sodium salt.
Packaging: 100, 500 g in poly bottle
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
Purity ≥78.5%
mp >300 °C (lit.)
UNSPSC 12352100

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