1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one

Modify Date: 2025-09-18 18:21:17

1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one Structure
1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one structure
 Common Name 1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one
CAS Number 491-64-5 Molecular Weight 258.22600
Density 1.48g/cm3 Boiling Point 519.4ºC at 760 mmHg
Molecular Formula C14H10O5 Melting Point 241 °C
MSDS N/A Flash Point 205ºC

 Names

Name isogentisin
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.48g/cm3
Boiling Point 519.4ºC at 760 mmHg
Melting Point 241 °C
Molecular Formula C14H10O5
Molecular Weight 258.22600
Flash Point 205ºC
Exact Mass 258.05300
PSA 79.90000
LogP 2.36600
Vapour Pressure 2.09E-11mmHg at 25°C
Index of Refraction 1.68

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ZD6034500
CHEMICAL NAME :
Xanthen-9-one, 1,3-dihydroxy-7-methoxy-
CAS REGISTRY NUMBER :
491-64-5
BEILSTEIN REFERENCE NO. :
0258402
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C14-H10-O5
MOLECULAR WEIGHT :
258.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
5 ug/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 116,103,1983

 Safety Information

Hazard Codes Xn
HS Code 2932999099

 Synthetic Route

Phloroglucinol structure

Phloroglucinol

CAS#:108-73-6

5-Methoxysalicylic Acid structure

5-Methoxysalicy...

CAS#:2612-02-4

~%

1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one Structure

1,3-Dihydroxy-7...

CAS#:491-64-5

Literature: Grover et al. Journal of the Chemical Society, 1955 , p. 3982,3984

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,3-dihydroxy-7-methoxyxanthen-9-one
Xanthen-9-one,1,3-dihydroxy-7-methoxy
1,3-Dihydroxy-7-methoxyxanthon,Isogentisin
1,3-dihydroxy-7-methoxy-xanthen-9-one
1,3-dihydroxy-7-methoxyxanthone
Isogentisin
1,3-Dihydroxy-7-methoxy-9H-xanthen-9-one
1,3-Dihydroxy-7-methoxyxanthon
1,3-Dihydroxy-7-methoxy-xanthen-9-on
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