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CH1147

Chromotropic Acid Disodium Salt ACS

$81.42 – $244.42

CAS No
5808-22-0
Synonym(s)
1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt, 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt
Molecular Formula:
(HO)2C10H4(SO3Na)2•2H2O
Molecular Weight:
400.29
EC Number:
204-972-9
MDL number:
MFCD00150612
PubChem CID:
2723846
Beilstein:
–
UN Number
–

Available Options:

Description

Buy Chromotropic Acid Disodium Salt ACS   (5808-22-0) MF: (HO)2C10H4(SO3Na)2•2H2O | MW: 400.29. Get High Quality Chromotropic Acid Disodium Salt ACS   (5808-22-0) from ChemieR.

Chromotropic acid disodium salt, classified under ACS standards, appears as a powder that ranges in color from greyish white to brownish white. Its chemical composition is represented by the formula C10H10Na2O10S2. This compound is also referred to as 4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt. Its significance lies in the red coloration produced when chromotropic acid interacts with formaldehyde in a 75% sulfuric acid solution. This substance finds various applications in laboratory settings.

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Application :

  • Chromotropic Acid Disodium Salt, ACS is used as a reagent in the determination of 2,4-Dichlorophenoxyacetic acid. 
  • It is also used for testing for the presence of formaldehyde.
  • It is useful as the highest quality chemical available for laboratory use. 

Benefits :

  • Meets the toughest regulatory standards for quality and purity
  • Suitable for formaldehyde determination
  • Soluble in water
  •  
Additional information
Weight N/A
Dimensions N/A
Brand

Size

100g, 1kg, 500g, 2.5kg x 4, 25g
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ADDITIONAL INFORMATION

Properties

Quality Level
200
Vapor Density
-
Vapor Pressure
-
Assay
≥98.0%
Form
powder
autoignition temp.
-
expl. lim.
-
technique(s)
UV/Vis spectroscopy: suitable
impurities
8-10% water
color
off-white
transmittance
-
refractive index
-
pH
-
bp
>300 °C (lit.)
mp
-
density
-
UV absorption
-
application(s)
-
SMILES string
O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O
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

Safety Information

Pictograms
GHS07
Signal Word
Warning
Hazard Statements
H315 - H319 - H335
Precautionary Statements
P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
Target Organs
Respiratory system
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
-
Flash Point(C)
-