Catechin
Suppliers
Names
[ CAS No. ]:
154-23-4
[ Name ]:
Catechin
[Synonym ]:
(2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
(2R,3S)-2-(3,4-Dihydroxyphenyl)chroman-3,5,7-triol
Sunkatol No. 1
(+)-Cianidanol
Dexcyanidanol
2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R,3S)-
Catechuic acid
3-Cyanidanol, (+)-
(+)-(2R:3S)-5,7,3',4'-Tetrahydroxyflavan-3-ol
(+)-3,3',4',5,7-Flavanpentol Hydrate
Catechin
(2R,3S)-2-(3,4-Dihydroxyphényl)-3,4-dihydro-2H-chromène-3,5,7-triol
(+)-3,3,4,5,7-Flavanpentol
trans-(+)-3,3',4',5,7-Flavanpentol
(+)-Cyanidanol-3
(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,5,7-chromanetriol
(+)-Catechin Hydrate
(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol
(+)-catechin
(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-chromen-3,5,7-triol
Catechinic acid
2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)-
EINECS 205-825-1
(2R,3S)-2-(3,4-Dihydroxyphenyl)chromane-3,5,7-triol
Cyanidol
D-Catechol
Chemical & Physical Properties
[ Density]:
1.6±0.1 g/cm3
[ Boiling Point ]:
630.4±55.0 °C at 760 mmHg
[ Melting Point ]:
175-177ºC (anhydrous)(lit.)
[ Molecular Formula ]:
C15H14O6
[ Molecular Weight ]:
290.268
[ Flash Point ]:
335.0±31.5 °C
[ Exact Mass ]:
290.079041
[ PSA ]:
110.38000
[ LogP ]:
0.49
[ Vapour Pressure ]:
0.0±1.9 mmHg at 25°C
[ Index of Refraction ]:
1.742
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DJ3450000
- CHEMICAL NAME :
- 2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)-
- CAS REGISTRY NUMBER :
- 154-23-4
- LAST UPDATED :
- 199710
- DATA ITEMS CITED :
- 19
- MOLECULAR FORMULA :
- C15-H14-O6
- MOLECULAR WEIGHT :
- 290.29
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 1084 mg/kg
- TOXIC EFFECTS :
- Lungs, Thorax, or Respiration - dyspnea
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >5 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >100 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >10 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 68 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >5 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >100 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 55 gm/kg
- SEX/DURATION :
- female 7-17 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 12150 mg/kg
- SEX/DURATION :
- female 17-22 day(s) after conception lactating female 21 day(s) post-birth
- TOXIC EFFECTS :
- Reproductive - Effects on Newborn - viability index (e.g., # alive at day 4 per # born alive)
MUTATION DATA
- TYPE OF TEST :
- Sex chromosome loss and nondisjunction
- TEST SYSTEM :
- Human Lymphocyte
- DOSE/DURATION :
- 500 mg/L
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 246,205,1991 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-FINLAND:TWA 5 ppm (20 mg/m3);STEL 10 ppm (45 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (20 mg/m3) JAN 1993
Safety Information
[ Hazard Codes ]:
Xi
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
26-36
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
DJ3450000
[ HS Code ]:
2932999099
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%
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