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4-Amino-6-methyl-2,3-dihydropyridazin-3-one

HCID 853445
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Basic information

CAS
13925-21-8
Standard SMILES
Cc1cc(N)c(=O)[nH]n1
InChIKey
CHXJEGAWOLOLIO-UHFFFAOYSA-N
Molecular formula
C5H7N3O
Average molar mass
125.13 g/mol
Monoisotopic mass
125.05891186

Names & identifiers

Preferred name
4-Amino-6-methyl-2,3-dihydropyridazin-3-one
IUPAC
5-amino-3-methyl-1H-pyridazin-6-one
English name
4-Amino-6-methyl-2H-pyridazin-3-one
Molecular formula
C5H7N3O
Molecular weight
125.13

Names & synonyms

4-amino-6-methyl-2,3-dihydropyridazin-3-oneRefChem:518013688-661-713925-21-84-Amino-6-methyl-2H-pyridazin-3-one4-amino-6-methylpyridazin-3(2H)-one5-amino-3-methyl-1H-pyridazin-6-oneMFCD001839344-amino-6-methyl-3(2H)-pyridazinoneSCHEMBL133513204-amino-6-methylpyridazin-3-olDTXSID50357430
Show more names
3(2H)-Pyridazinone, 4-amino-6-methyl-4-Amino-2,3-dihydro-6-methyl-3-oxopyridazine
4-amino-6-methyl-2-hydropyridazin-3-oneAMY34927BBL00526NAA92521BBL005268SBB079752STK636167STK724074

Database identifiers

CAS
13925-21-8
PubChem CID
853445
DTXSID
DTXSID50357430
EC Number
688-661-7

Properties

Computed structural properties

XLogP
-0.9
Topological polar surface area
67.5 Ų
Hydrogen bond donors
2
Hydrogen bond acceptors
3
Rotatable bonds
0
Heavy atoms
9
Formal charge
0
Complexity
204

Physicochemical properties

Melting point
268 °C · 268 °C
Density
1.44 · 1.44±0.1 g/cm3(Predicted)
storage temp.
Keep in dark place,Inert atmosphere,Room temperature
pka
10.9 · 10.90±0.60(Predicted)
form
powder
color
Faint cream/beige
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
302 · H302-H315-H319-H332-H335
Precautionary statements
280 · P280-P305+P351+P338
HazardClass
IRRITANT
HS Code
2933998090 · 2933998090

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Warning

H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesAcute Tox. 4 (100%)

Safety data

hs_code
2933998090
Signal word
Warning
Symbol(GHS)
GHS07
hazard_class
IRRITANT
Hazard statements
H302-H315-H319-H332-H335
Precautionary statements
P280-P305+P351+P338

Related reactions

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Compound notes

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