Sodium anthraquinone-2-sulfonate

Synonym(s):9,10-Dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt;Anthraquinone-2-sulfonic acid sodium salt

CAS NO.：131-08-8
Empirical Formula: C14H9NaO5S
Molecular Weight: 312.27
MDL number: MFCD00001229
EINECS: 205-009-5
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-21 22:41:43

Sodium anthraquinone-2-sulfonate Structural

What is Sodium anthraquinone-2-sulfonate?

Chemical properties

beige powder

What are the applications of Application

Anthraquinone-2-sulfonic acid sodium salt is an substituted anthraquinone compound

Flammability and Explosibility

Not classified

Synthesis

Anthraquinone-2-sulfonic acid , Na salt, also called silver salt, Mr 288.3, is prepared by sulfonation in the absence of mercury (e.g., according to the procedure cited in). The acid also can be obtained from the 1,6- (or 1,7-) disulfonic acid by desulfonation at the α position in dilute sulfuric acid .

Purification Methods

It crystallises from H2O or MeOH (charcoal). [Costa and Bookfield J Chem Soc, Faraday Trans 1 82 991 1986, Beilstein 11 IV 671.]

Properties of Sodium anthraquinone-2-sulfonate

Melting point:	>300 °C(lit.)
Density	1.66[at 20℃]
vapor pressure	0Pa at 25℃
storage temp.	Store below +30°C.
Water Solubility	Soluble in hot water, cold water and insoluble in alcohol or ether.
BRN	3580452
Stability:	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	131-08-8(CAS DataBase Reference)
EPA Substance Registry System	2-Anthracenesulfonic acid, 9,10-dihydro-9,10-dioxo-, sodium salt (131-08-8)

Safety information for Sodium anthraquinone-2-sulfonate

Signal word	Warning
Pictogram(s)	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. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up.