4,5-Dichloro-2-methyl-2H-pyridazin-3-one
Names
[ CAS No. ]:
933-76-6
[ Name ]:
4,5-Dichloro-2-methyl-2H-pyridazin-3-one
[Synonym ]:
4,5-Dichloro-2-methyl-3(2H)-pyridazinone
4,5-dichloro-2-methylpyridazin-3(2H)-one
MFCD00051686
3(2H)-Pyridazinone, 4,5-dichloro-2-methyl-
4,5-dichloro-2-methylpyridazin-3-one
4,5-Dichloro-2-methyl-2H-pyridazin-3-one
Chemical & Physical Properties
[ Density]:
1.6±0.1 g/cm3
[ Boiling Point ]:
197.2±50.0 °C at 760 mmHg
[ Melting Point ]:
87-91ºC(lit.)
[ Molecular Formula ]:
C5H4Cl2N2O
[ Molecular Weight ]:
179.004
[ Flash Point ]:
73.1±30.1 °C
[ Exact Mass ]:
177.970062
[ PSA ]:
34.89000
[ LogP ]:
-0.34
[ Vapour Pressure ]:
0.4±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.612
[ Storage condition ]:
2-8°C
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UR6188000
- CHEMICAL NAME :
- 3(2H)-Pyridazinone, 4,5-dichloro-2-methyl-
- CAS REGISTRY NUMBER :
- 933-76-6
- BEILSTEIN REFERENCE NO. :
- 0127609
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C5-H4-Cl2-N2-O
- MOLECULAR WEIGHT :
- 179.01
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,921,1985
- TYPE OF TEST :
- LD - Lethal dose
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >300 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 40,921,1985
Safety Information
[ Symbol ]:
GHS06
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H301-H315-H317-H319-H335
[ Precautionary Statements ]:
P261-P280-P301 + P310-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xn: Harmful;
[ Risk Phrases ]:
R22
[ Safety Phrases ]:
26-36
[ RIDADR ]:
UN 2811 6.1/PG 3
[ WGK Germany ]:
3
[ RTECS ]:
UR6188000
[ Hazard Class ]:
6.1
[ HS Code ]:
2933990090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933990090
[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%