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6,7-Dihydroxy-2H-chromen-2-one

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Formula: C9H6O4
CAS: 305-01-1
search Element: dihydroxy chromen

Identification

Structural Formula
6,7-Dihydroxy-2H-chromen-2-one
CAS:
305-01-1
EINECS:
206-161-5
Molecular Formula:
C9H6O4
MDL:
MFCD00006874
Synonym:
esculetine ; asculetine ; esculetin ; aesculetin ; esculeti ; esculetin(p) ; esculetol ; cichorigenin ; akos 215-98 ; esculatin




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Prices & Availability




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Properties for 6,7-Dihydroxy-2H-chromen-2-one

Molecular Weight:
178.14 g·mol−1
Density:
1.56 g/cm3
Melting point:
271-273 °C(lit.)
Boiling point:
469.69° C at 760 mmHg (Predicted)
Solubility:
Soluble in DMSO, DMF, 0.1 M NaOH (1 %) yielding a deep yellow solution, diluted alkalies with blue fluorescence, and acetone. Moderately soluble in Glacial acetic acid, and hot ethanol. Slightly soluble in water. Very faint turbidity in hot methanol. Almost insoluble in ether. Insoluble in hot water.
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
  • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
S37/39 - Wear suitable gloves and eye/face protection
Hazard Symbols:
Xi
Hazard symbol Xi
Storage temperature :
2-8°C
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Alternative Distributors of [6,7-Dihydroxy-2H-chromen-2-one]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Biosynth AG | Synbias Ltd | Rongkang Industry Co.,Ltd - (NSTU Chemicals Hanggzhou Co.,) | Molekula GmbH | ABCR GmbH & Co. KG | TCI Europe NV | Share Chemical Co., Ltd. | Shanghai Tauto Biotech Co., Ltd. | Jinan Great Chemical Co., Ltd. | Carl Roth GmbH + Co KG | East Chemical Industry Co., Ltd. | BioBioPha Co., Ltd. | Chengdu Conut Intl. Co., Ltd. | BOC Sciences | Jinan Haohua Industry Co., Ltd. | Lead Biotech (Hangzhou) Co., Ltd. | Gihi Chemicals Co., Limited

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