Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

654043

Sigma-Aldrich

1-Methyl-1H-pyrazole-4-carboxaldehyde

96%

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C5H6N2O
CAS Number:
Molecular Weight:
110.11
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

96%

form

solid

mp

29-34 °C

SMILES string

Cn1cc(C=O)cn1

InChI

1S/C5H6N2O/c1-7-3-5(4-8)2-6-7/h2-4H,1H3

InChI key

MYFZXSOYJVWTBL-UHFFFAOYSA-N

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

>230.0 °F - closed cup

Flash Point(C)

> 110 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service