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1H-Pyrazole-5-carbaldehyde

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Formula: C4H4N2O
CAS: 3920-50-1

Identification

Structural Formula
1H-Pyrazole-5-carbaldehyde
CAS:
3920-50-1
EINECS:
Molecular Formula:
C4H4N2O
MDL:
MFCD00129925
SMILES:
O=Cc1ccn[nH]1
Synonym:
pyrazol-3-carbaldehyde ; 2h-pyrazole-3-carbaldehyde ; pyrazole-3-carbaldehyde ; pyrazole-3-carboxaldehyde ; 1h-pyrazol-5-carbaldehyde ; 3-pyrazolecarboxaldehyde ; 3-formyl-1h-pyrazole ; 1h-pyrazole-5-carbaldehyde ; 1h-??-3-?? ; rarechem am la 0023




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Properties for 1H-Pyrazole-5-carbaldehyde

Molecular Weight:
96.09 g·mol−1
Density:
1.323
Physical Description:
colorless solid
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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:
R22 - Harmful if swallowed
R37/38 - Irritating to respiratory system and skin
R41 - Risk of serious damage to eyes
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36/39 - Wear suitable protective clothing and eye/face protection
Hazard Classes:
irritant
Hazard Symbols:
Xi, Xn
Hazard symbol Xn Hazard symbol Xi
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Alternative Distributors of [1H-Pyrazole-5-carbaldehyde]

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

Matrix Scientific

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Mol File:
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MSDS:
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