ChemicalBook--->CAS DataBase List--->2688-48-4

2688-48-4

2688-48-4 Structure

2688-48-4 Structure
IdentificationMore
[Name]

HOMOGENTISIC ACID GAMMA-LACTONE
[CAS]

2688-48-4
[Synonyms]

2,3-DIHYDRO-5-HYDROXYBENZOFURAN-2-ONE
2,5-DIHYDROXYPHENYLACETIC ACID GAMMA-LACTONE
2,5-DIHYDROXYPHENYLACETIC ACID LACTONE
2,5-DIHYDROXYPHENYLACETIC GAMMA-LACTONE
5-HYDROXY-2-COUMARANONE
5-HYDROXYBENZOFURAN-2(3H)-ONE
AKOS BBS-00000246
HOMOGENTISIC ACID GAMMA-LACTONE
HOMOGENTISIC ACID LACTONE
HOMOGENTISIC GAMMA-LACTONE
HOMOGENTISIC LACTONE
5-hydroxybenzofuran-2-one
5-Hydroxy-2(3H)-benzofuranone, 97%
2,5-DIHYDROXYPHENYLACETIC ACID GAMMA-LACTONE 97%
5-Hydroxybenzofuran-2(3H)-one, Homogentisic lactone
2,5-Dihydroxyphenylacetic acid lactone, Homogentisic lactone
2,5-Dihydroxyphenylacetic γ-lactone ,97%
5-Hydroxy-2,3-dihydrobenzofuran-2-one
[EINECS(EC#)]

220-252-7
[Molecular Formula]

C8H6O3
[MDL Number]

MFCD00005857
[Molecular Weight]

150.13
[MOL File]

2688-48-4.mol
Chemical PropertiesBack Directory
[Appearance]

beige fine crystalline powder
[Melting point ]

192-194 °C
[Boiling point ]

231.65°C (rough estimate)
[density ]

1.436
[refractive index ]

1.4500 (estimate)
[storage temp. ]

Sealed in dry,2-8°C
[solubility ]

Acetone, Ethyl Acetate, DMSO
[form ]

Solid
[pka]

9.28±0.20(Predicted)
[color ]

Pale Brown
[Detection Methods]

HPLC,NMR
[BRN ]

128621
[CAS DataBase Reference]

2688-48-4(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
[F ]

8-10-23
[HS Code ]

29163990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Glyoxylic acid-->1,4-Cyclohexanedione
Hazard InformationBack Directory
[Chemical Properties]

beige fine crystalline powder
[Uses]

Homogentisic Acid γ-Lactone (cas# 2688-48-4) is a compound useful in organic synthesis.
[Definition]

ChEBI:5-hydroxybenzofuran-2-one is a member of the class of 1-benzofurans that is 1-benzofuran-2(3H)-one substituted by a hydroxy group at position 5. It has a role as an antifungal agent and a fungal metabolite. It is a member of 1-benzofurans and an aromatic alcohol.
[Synthesis Reference(s)]

The Journal of Organic Chemistry, 45, p. 363, 1980 DOI: 10.1021/jo01290a038
Spectrum DetailBack Directory
[Spectrum Detail]

HOMOGENTISIC ACID GAMMA-LACTONE(2688-48-4)MS
HOMOGENTISIC ACID GAMMA-LACTONE(2688-48-4)1HNMR
HOMOGENTISIC ACID GAMMA-LACTONE(2688-48-4)IR
HOMOGENTISIC ACID GAMMA-LACTONE(2688-48-4)Raman
HOMOGENTISIC ACID GAMMA-LACTONE(2688-48-4)FT-IR
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

2,5-Dihydroxyphenylacetic acid gamma-lactone, 97%(2688-48-4)
[Sigma Aldrich]

2688-48-4(sigmaaldrich)
[TCI AMERICA]

Homogentisic Acid gamma-Lactone,>98.0%(GC)(2688-48-4)
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