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2,2'a-Bis(3-hydroxy-1,4-naphthoquinone)

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Formula: C20H10O6
CAS: 33440-64-1

Identification

Structural Formula
2,2'a-Bis(3-hydroxy-1,4-naphthoquinone)
CAS:
33440-64-1
EINECS:
Molecular Formula:
C20H10O6
MDL:
MFCD00191788
Synonym:
2,2'-bi(3-hydroxy-1,4-naphthoquinone) ; labotest-bb lt00452273 ; bi-lawsone 2,2'-bi(3-hydroxy-1,4-naphthoquinone) c20h10o6 346.29 ; bi-lawsone ; 2,2'-bis(3-hydroxy-1,4-naphthoquinone) ; 2,2'-bi(3-hydroxy-1,4-naphthoquinone), 9 8% ; lawsone dimer




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Amadis Chemical Company Limited
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Properties for 2,2'a-Bis(3-hydroxy-1,4-naphthoquinone)

Molecular Weight:
346.29 g·mol−1
Melting point:
250 °C (dec.)(lit.)
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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
Hazard Symbols:
Xi
Hazard symbol Xi
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Alternative Distributors of [2,2'a-Bis(3-hydroxy-1,4-naphthoquinone)]

Producers or manufacturers change the product range from time to time. Currently there are no other manufacturers known.
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MSDS:
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