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Safety Information

654043

Sigma-Aldrich

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

96%

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About This Item

Empirical Formula (Hill Notation):
C5H6N2O
CAS Number:
25016-11-9
Molecular Weight:
110.11
MDL number:
MFCD00460465
UNSPSC Code:
12352100
PubChem Substance ID:
24884010
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
GHS05,GHS07

Signal Word

Danger

Hazard Statements

H315,H317,H318,H335

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

654043-BULK:
654043-1G:
654043-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
00696APV
00696AP
MKBG3394V
MKBG3393V
MKBD7215

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