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4-Pyrazolecarboxylic acid

95%

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About This Item

Empirical Formula (Hill Notation):
C4H4N2O2
CAS Number:
37718-11-9
Molecular Weight:
112.09
NACRES:
NA.22
PubChem Substance ID:
24857935
UNSPSC Code:
12352100
EC Number:
253-641-5
MDL number:
MFCD00011558
Assay:
95%
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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.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Codes

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves

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