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P56607

Sigma-Aldrich

Pyrazole

98%

Synonym(s):

1,2-Diazole

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About This Item

Empirical Formula (Hill Notation):
C3H4N2
CAS Number:
288-13-1
Molecular Weight:
68.08
Beilstein:
103775
EC Number:
206-017-1
MDL number:
MFCD00005234
UNSPSC Code:
12352100
PubChem Substance ID:
24898689
NACRES:
NA.22

Assay

98%

form

crystals

bp

186-188 °C (lit.)

mp

67-70 °C (lit.)

SMILES string

c1cn[nH]c1

InChI

1S/C3H4N2/c1-2-4-5-3-1/h1-3H,(H,4,5)

InChI key

WTKZEGDFNFYCGP-UHFFFAOYSA-N

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Application

Used as a ligand to prepare organometallic compounds.

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 1

Target Organs

spleen,Thyroid

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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