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3,5-Dimethylpyrazole_Molecular_structure_CAS_67-51-6)
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3,5-Dimethylpyrazole

Catalog No. 41540 Name Sigma Aldrich
CAS Number 67-51-6 Website http://www.sigmaaldrich.com
M. F. C5H8N2 Telephone 1-800-521-8956
M. W. 96.13042 Fax
Purity ≥99.0% (GC) Email
Storage Chembase ID: 54089

SYNONYMS

Title
3,5-二甲基吡唑
IUPAC name
3,5-dimethyl-1H-pyrazole
IUPAC Traditional name
1H-pyrazole, 3,5-dimethyl-

DATABASE IDS

PubChem SID 24865998
CAS Number 67-51-6
Beilstein Number 106325
EC Number 200-657-5
MDL Number MFCD00005243

PROPERTIES

Empirical Formula (Hill Notation) C5H8N2
Purity ≥99.0% (GC)
Boiling Point 218 °C(lit.)
Melting Point 105-108 °C(lit.)
Melting Point 106-108 °C
Solubility methanol: soluble0.1 g/mL, clear
GHS Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H302-H315-H319-H335
European Hazard Symbols Harmful Harmful (Xn)
MSDS Link Download
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements P261-P305 + P351 + P338
Risk Statements 22-36/37/38
RTECS UQ6477600
Safety Statements 26-36
German water hazard class 3

DETAILS

Description (English)
Other Notes
Synthesis of acid pyrazolides, followed by their selective reduction to aldehydes1,2
Description (简体中文)
Other Notes
合成酸性吡唑化物,然后选择性还原为醛类1,2

REFERENCES