1453-58-3

Name 3-Methylpyrazole
CAS 1453-58-3
EINECS(EC#) 215-925-7
Molecular Formula C4H6N2
MDL Number MFCD00005240
Molecular Weight 82.1
MOL File 1453-58-3.mol

Chemical Properties

Appearance clear light yellow liquid
Melting point  36.5°C
Boiling point  204 °C (lit.)
density  1.02 g/mL at 25 °C(lit.)
vapor pressure  1.82hPa at 20℃
refractive index  n20/D 1.495(lit.)
Fp  200 °F
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Sparingly), Methanol (Sparingly)
form  Liquid
pka 14.56±0.10(Predicted)
color  Clear light yellow
Water Solubility  miscible
Detection Methods GC,NMR
BRN  1454
InChI 1S/C4H6N2/c1-4-2-3-5-6-4/h2-3H,1H3,(H,5,6)
InChIKey XKVUYEYANWFIJX-UHFFFAOYSA-N
SMILES Cc1cc[nH]n1
LogP 0.475 at 25℃
CAS DataBase Reference 1453-58-3(CAS DataBase Reference)
NIST Chemistry Reference 3(5)-methylpyrazole(1453-58-3)
EPA Substance Registry System 1453-58-3(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)Health Hazard (GHS08)
GHS05,GHS07,GHS08
Signal word  Danger
Hazard statements  H302-H314-H361
Precautionary statements  P201-P280-P301+P312+P330-P303+P361+P353-P305+P351+P338+P310-P308+P313
Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
RIDADR  2810
WGK Germany  3
RTECS  UQ7340000
F  10
REACH Registrations Active
HazardClass  6.1(b)
PackingGroup  III
HS Code  29331990
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 4 Oral
Eye Dam. 1
Repr. 1B
Skin Corr. 1B
STOT RE 2

Hazard Information

Material Safety Data Sheet(MSDS)

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