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1698-53-9

1698-53-9 structure
1698-53-9 structure
  • Name: 1-Phenyl-4,5-dichloro-6-pyridazone
  • Chemical Name: 4,5-Dichloro-2-phenylpyridazin-3(2H)-one
  • CAS Number: 1698-53-9
  • Molecular Formula: C10H6Cl2N2O
  • Molecular Weight: 241.07300
  • Create Date: 2019-01-30 07:50:16
  • Modify Date: 2025-08-25 11:42:12
Name 4,5-Dichloro-2-phenylpyridazin-3(2H)-one
Synonyms 1-Phenyl-4,5-dichloro-6-pyridazone
MFCD00006470
4,5-dichloro-2-phenylpyridazin-3-one
EINECS 216-917-6
4,5-Dichloro-2-Phenyl-3(2H)-Pyridazinone
Density 1.435g/cm3
Boiling Point 306.967°C at 760 mmHg
Melting Point 164-166 °C(lit.)
Molecular Formula C10H6Cl2N2O
Molecular Weight 241.07300
Flash Point 139.449°C
Exact Mass 239.98600
PSA 34.89000
LogP 2.53930
Vapour Pressure 4.74E-05mmHg at 25°C
Index of Refraction 1.661

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UR6200000
CHEMICAL NAME :
3(2H)-Pyridazinone, 4,5-dichloro-2-phenyl-
CAS REGISTRY NUMBER :
1698-53-9
BEILSTEIN REFERENCE NO. :
0175852
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C10-H6-Cl2-N2-O
MOLECULAR WEIGHT :
241.08
WISWESSER LINE NOTATION :
T6NNVJ BR& DG EG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,869,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2520 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
28ZPAK "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972 Volume(issue)/page/year: -,151,1972
Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S26-S37/39
RIDADR NONH for all modes of transport
WGK Germany 2
RTECS UR6200000
HS Code 2933990090
766-40-5 structure

766-40-5

100-63-0 structure

100-63-0

~96%

1698-53-9 structure

1698-53-9

Literature: Bioorganic and Medicinal Chemistry, , vol. 17, # 20 p. 7174 - 7185
766-40-5 structure

766-40-5

74497-02-2 structure

74497-02-2

~%

1698-53-9 structure

1698-53-9

Literature: Tetrahedron Letters, , vol. 47, # 49 p. 8733 - 8735
60420-82-8 structure

60420-82-8

~%

1698-53-9 structure

1698-53-9

Literature: Journal of the American Chemical Society, , vol. 75, p. 1909,76 <1954> 6417
100-63-0 structure

100-63-0

~%

1698-53-9 structure

1698-53-9

Literature: Journal of the American Chemical Society, , vol. 75, p. 1909,76 <1954> 6417
87-56-9 structure

87-56-9

59-88-1 structure

59-88-1

~%

1698-53-9 structure

1698-53-9

Literature: Bioorganic and Medicinal Chemistry Letters, , vol. 21, # 6 p. 1819 - 1822
932-22-9 structure

932-22-9

71-43-2 structure

71-43-2

~76%

1698-53-9 structure

1698-53-9

Literature: Tetrahedron Letters, , vol. 45, # 48 p. 8781 - 8784
87-56-9 structure

87-56-9

100-63-0 structure

100-63-0

~%

1698-53-9 structure

1698-53-9

Literature: Phosphorus, Sulfur and Silicon and the Related Elements, , vol. 186, # 1 p. 81 - 87
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%
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