3,4-Dibromo-1H-pyrazole

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Names

[ CAS No. ]:
5932-18-3

[ Name ]:
3,4-Dibromo-1H-pyrazole

[Synonym ]:
3,4-Dibrom-pyrazol
Pyrazole,4-dibromo
3,4-Dibromopyrazol
3,4-DIBROMO-PYRAZOLE
3,4-dibromo-1H-pyrazole
PYRAZOLE,3,4-DIBROMO
1H-Pyrazole,3,4-dibromo

Chemical & Physical Properties

[ Density]:
2.419g/cm3

[ Boiling Point ]:
325.9ºC at 760 mmHg

[ Molecular Formula ]:
C3H2Br2N2

[ Molecular Weight ]:
225.86900

[ Flash Point ]:
150.9ºC

[ Exact Mass ]:
223.85800

[ PSA ]:
28.68000

[ LogP ]:
1.93470

[ Index of Refraction ]:
1.652

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ6460000
CHEMICAL NAME :
Pyrazole, 3,4-dibromo-
CAS REGISTRY NUMBER :
5932-18-3
BEILSTEIN REFERENCE NO. :
0002163
LAST UPDATED :
199806
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C3-H2-Br2-N2
MOLECULAR WEIGHT :
225.89
WISWESSER LINE NOTATION :
T5MNJ CE DE

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#05097

Safety Information

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Pyrazole

DownStream

  • 3,4,5-Tribromo-1H-pyrazole

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3,4-dibromo-1H-pyrazole-5-carboxylic acid
  • 3,4-dibromo-1-ethenylpyrazole
  • 3,4-dibromo-1-hydroxypyrazole
  • 3,4-dibromo-1-methylpyrazole
  • 3,4-DIBROMO-5-NITRO-1H-PYRAZOLE
  • 3,4-dibromo-5-chloro-1-ethenylpyrazole
  • (R)-1-(4-bromophenyl)pyrrolidin-3-ol
  • methyl 1-[2-fluoro-4-(1H-pyrazol-1-yl)phenyl]-5-methoxy-4-oxo-1,4-dihydropyridazine-3-carboxylate
  • 4-Bromo-1-(cyclopropyloxy)-2-(trifluoromethoxy)benzene
  • 3-(Cyanomethyl)-3-methylcyclobutanesulfonyl chloride
  • (1-Methyl-3-methylidenecyclobutyl)methanol
  • 2-Cyclopentyl-1-(3-((6-(dimethylamino)pyrazin-2-yl)oxy)pyrrolidin-1-yl)ethanone
  • 3-(2-(3-((6-methylpyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)quinazolin-4(3H)-one
  • 3-Thujanamine
  • Ethanone, 1-[(2S,4R)-2-[[bis(4-methoxyphenyl)phenylmethoxy]methyl]-4-hydroxy-1-pyrrolidinyl]-2,2,2-trifluoro-
  • (S)-2-Methyl-N-(4-methylbenzylidene)-propane-2-sulfinamide
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