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About This Item
Empirical Formula (Hill Notation):
C4H4N2O2
CAS Number:
Molecular Weight:
112.09
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
assay
95%
mp
282 °C (dec.) (lit.)
functional group
carboxylic acid
SMILES string
OC(=O)c1cn[nH]c1
InChI
1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
InChI key
IMBBXSASDSZJSX-UHFFFAOYSA-N
Application
4-Pyrazolecarboxylic acid was used in preparation of ethyl 4-pyrazolecarboxylate.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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