Agent Name

Hymecromone

CAS Number

90-33-5

Formula

C10-H8-O3

Major Category

Other Classes

Synonyms

2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo-; 2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl-; 4-Methyl-7-hydroxycoumarin; 4-Methylumbelliferon [Czech]; 4-Methylumbelliferone; 7-Hydroxy-4-methyl-2-oxo-2H-1-benzopyran; 7-Hydroxy-4-methylcoumarin; Bilcolic; Bilicante; Cantabilin; Cantabiline; Cholestil; Cholonerton; Coumarin 4; Crodimon; Cumarote-C; Eurogale; Himecromona [INN-Spanish]; Hymecromon; Hymecromone; Hymecromonum [INN-Latin]; Imecromone [DCIT]; LM 94; LM-94; Medilla; Mendiaxon; Methylumbelliferone; Omega 127; Pilot 447; Resocyanine; beta-Methylumbelliferone; Coumarin, 7-hydroxy-4-methyl-; [ChemIDplus] 7-Hydroxy-4-methyl-2H-1-benzopyran-2-one; 7-Hydroxy-4-methyl-2-oxo-3-chromene; 4-MU; Biliton H; Cholspasmin; Himecol; [Merck Index] 7-Hydroxy-4-methyl-2,H-1-benzo-pyran-2-one; Coumarin 456; Eurogae; Imechromone; IM 94; Umbelliferone, 4-methyl; [CAMEO]

Category

Other Aromatic Compounds

Description

Colorless solid; [CAMEO] Off-white powder; [Acros Organics MSDS]

Sources/Uses

Used as an analytical reagent, fluorescent indicator, and antispasmodic drug; [Merck Index] Used in tunable lasers; [NTP]

Comments

An irritant; [NTP] Causes tearing, ptosis, and altered sleep time in oral lethal-dose studies of mice and rats; Causes changes in liver and pituitary weights in 26-week constant oral studies of rats; [RTECS] An irritant; Harmful by inhalation and skin absorption; [Acros Organics MSDS]

Exposure Assessment
Vapor Pressure

7.24E-6 mm Hg

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