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HomeProduct name listCHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

Synonym(s):1,8-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt;4,5-Dihydroxy-2,7-naphthalene disulfonic acid sodium salt;4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt;Chromotropic acid disodium salt dihydrate

  • CAS NO.:5808-22-0
  • Empirical Formula: C10H11NaO9S2
  • Molecular Weight: 362.3
  • MDL number: MFCD00150612
  • EINECS: 611-619-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-21 22:41:43
CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE Structural

What is CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE?

Chemical properties

white or gray to tan powder

The Uses of CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

Chromotropic acid disodium salt dihydrate may be employed as a chromogenic reagent for the quantification of dipyrone in various pharmaceutical preparations.

The Uses of CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

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.

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.]

Properties of CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

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)

Safety information for CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for CHROMOTROPIC ACID DISODIUM SALT DIHYDRATE

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