Properties: Orange needles from alc, mp 193-197°. Sublimes. Absorption max: 430, 250 nm (log e 4.35, 4.60). Almost insol in water (6.5 ´ 10-6 mols/l at 25°), in alcohol (1:2000). Moderately sol in ether (1:500), in chloroform; sol in 10 parts hot glacial acetic acid. Very slightly sol in aq solns of alkali hydroxides: about 0.8 g dissolves in 100 ml 0.5N NaOH. (Disodium salt is reported to have a water soly of 0.05%.) LD50 orally in mice: <7 g/kg (Case).
Melting point: mp 193-197°
Absorption maximum: Absorption max: 430, 250 nm (log e 4.35, 4.60)
Toxicity data: LD50 orally in mice: <7 g/kg (Case)
CAUTION: This substance is reasonably anticipated to be a human carcinogen: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-77.
Use: Important intermediate in the manuf of alizarin and indanthrene dyestuffs; forms insol Ca, Ba, Pb lakes. Antioxidant in synthetic lubricants; fungicide.
Therap-Cat: Cathartic.
Therap-Cat-Vet: Purgative.
Keywords: Laxative/Cathartic.
产品链接: 117-10-2››