Basic information Safety Supplier Related
ChemicalBook >  Product Catalog >  Chemical Reagents >  Organic reagents >  The polycyclic compound >  CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

Basic information Safety Supplier Related

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Basic information

Product Name:
CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE
Synonyms:
  • disodium 4,5-dihydroxynaphthalene-2,7-disulfonate dihydrate
  • CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS)CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS)CHROMOTROPIC ACID, DISODIUM SALT, REAGENT (ACS)
  • CHROMOTROPIC ACID 2SOD 2HYD
  • Chromotropic acid disodium salt dihydrate puriss. p.a., ACS reagent, for the detection of Ag, ClO3-, Cr, Hg, NO2-, NO32-, Ti, >=99.0% (T)
  • 4,5-DIHYDROXYNAPHTHALENE-2,7-DISULFONIC ACID, DISODIUM SALT DIHYDRATE, TEC
  • 4,5-DIHYDROXYNAPHTHALENE-2,7-DISULFONIC ACID, DISODIUM SALT DIHYDRATE, A.C.
  • 4,5-DIHYDROXYNAPHTHALENE-2,7-*DISULFONIC ACID DISOD
  • CHROMOTROPIC ACID DISODIUM SALT DIHYDRAT E, ACS
CAS:
5808-22-0
MF:
C10H11NaO9S2
MW:
362.3
EINECS:
611-619-6
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Analytical Chemistry
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acids
  • Sulfur Compounds
  • Intermediates of Dyes and Pigments
  • Miscellaneous Biochemicals
  • Bipyridyls, etc. (Chelating Reagents)
  • Chelating Reagents
Mol File:
5808-22-0.mol
More
Less

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Chemical Properties

Melting point:
>300 °C(lit.)
storage temp. 
Store below +30°C.
solubility 
170g/l
form 
Powder
Colour Index 
57030
color 
off-white
PH
3.6 (10g/l, H2O, 20℃)
Water Solubility 
Soluble in water.
Merck 
14,2241
BRN 
3647189
Stability:
Stable. Incompatible with strong oxidizers, strong acids, acid chlorides, acid anhydrides. Light sensitive.
CAS DataBase Reference
5808-22-0(CAS DataBase Reference)
More
Less

Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
3
TSCA 
Yes
HS Code 
29089990

MSDS

More
Less

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Usage And Synthesis

Chemical Properties

white or gray to tan powder

Uses

4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed TLC plates. It serves as an intermediate in the production of dyes, pigments, chelating reagents, sulfonic and sulfinic acids.

Uses

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.

Purification Methods

Recrystallise it from H2O or H2O by adding EtOH. It complexes with Ag, ClO3-, Cr, Hg, NO2 , -NO3 and Ti. [Beilstein 11 H 72, 11 I 307, 11 II 174, 11 III 174, 11 IV 576.]

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATESupplier

NANTONG XINHE BIOTECH CO.,LTD Gold
Tel
13813727166,15370460228; 13813727166
Email
sale_xinhe@outlook.com
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Email
jkinfo@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Email
market03@meryer.com
Alfa Aesar
Tel
400-6106006
Email
saleschina@alfa-asia.com
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Email
Sales-CN@TCIchemicals.com