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Basic Information
CAS No.: 149-46-2
Name: 4,5-dihydroxybenzene-1,3-disulphonic acid
Molecular Structure:
Molecular Structure of 149-46-2 (4,5-dihydroxybenzene-1,3-disulphonic acid)
Formula: C6H6 O8 S2
Molecular Weight: 270.241
Synonyms: m-Benzenedisulfonicacid, 4,5-dihydroxy- (6CI,8CI); 1,2-Dihydroxybenzene-3,5-disulfonic acid;3,5-Disulfopyrocatechol; 4,5-Dihydroxy-1,3-benzenedisulfonic acid;4,5-Dihydroxy-m-benzenedisulfonic acid; Catechol-3,5-disulfonic acid;Pyrocatechol-3,5-disulfonic acid; Tiron free acid
Density: g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Safety: Low toxicity by intraperitoneal route. When heated to decomposition it emits toxic vapors of SOx.
PSA: 165.96000
LogP: 1.75280
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Chemistry

IUPAC Name: 4,5-Dihydroxybenzene-1,3-disulfonic acid
The MF of 4,5-Dihydroxybenzene-1,3-disulfonic acid (CAS NO.149-46-2) is C6H6O8S2.

                                      
The MW of 4,5-Dihydroxybenzene-1,3-disulfonic acid (CAS NO.149-46-2) is 270.23704.
Synonyms of 4,5-Dihydroxybenzene-1,3-disulfonic acid (CAS NO.149-46-2): 3,5-Disulfopyrocatechol ; 4,5-Dihydroxy-1,3-benzenedisulfonic acid ; Catechol-3,5-disulfonic acid ; m-Benzenedisulfonic acid, 4,5-dihydroxy-
Index of Refraction: 1.692  
EINECS: 205-742-0
Density: 2.049 g/ml

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 5215mg/kg (5215mg/kg)   Archives of Toxicology. Vol. 61, Pg. 321, 1988.

Safety Profile

Low toxicity by intraperitoneal route. When heated to decomposition it emits toxic vapors of SOx.