ChemicalBook > CAS DataBase List > 4-(N-methyl-N-nitroso)aminoantipyrine

4-(N-methyl-N-nitroso)aminoantipyrine

Product Name
4-(N-methyl-N-nitroso)aminoantipyrine
CAS No.
73829-38-6
Chemical Name
4-(N-methyl-N-nitroso)aminoantipyrine
Synonyms
MNAA;S-75-2230;N-Nitrosomethylaminoantipyrine;N-Nitroso Metamizole EP Impurity C;4-(N-methyl-N-nitroso)aminoantipyrine;1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-;N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
CBNumber
CB41400337
Molecular Formula
C12H14N4O2
Formula Weight
246.27
MOL File
73829-38-6.mol
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4-(N-methyl-N-nitroso)aminoantipyrine Property

Melting point:
99 °C(Solv: ethyl ether (60-29-7))
Boiling point:
385.3±52.0 °C(Predicted)
Density 
1.24±0.1 g/cm3(Predicted)
pka
0.76±0.65(Predicted)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

4-(N-methyl-N-nitroso)aminoantipyrine Preparation Products And Raw materials

Raw materials

Preparation Products

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4-(N-methyl-N-nitroso)aminoantipyrine Suppliers

China 10 India 1 Global 11
Shanghai Kewel Chemical Co., Ltd.
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021-64609169 18901607656
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021-64609160
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greensnown@163.com
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China
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Hubei Yangxin Medical Technology Co., Ltd.
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15374522761
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QQ:2853117752
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3003392093@qq.com
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China
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Hunan Zengda Biological Technology Co., LTD
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18711085600
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1652923704@qq.com
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China
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Cato Research Chemicals Inc.
Tel
020-81960175-877 18933936954
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tianwen.zhan@cato-chem.com
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China
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Shenzhen Excellent Biomedical Technology Co., Ltd.
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18318671572
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2850803126@qq.com
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China
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Tan-Mo Technology Co., Ltd.
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19850211281
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qiann@gbw-china.com
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China
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Shanghai Zerui Biotechnology Co., Ltd.
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021-54580889 18321124657
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021-54580889
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731997554@qq.com
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guoyungurui
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18162595016; 18162595016
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3287908757@qq.com
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China
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Cato Research Chemicals Inc.
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13342851930
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3008394369@qq.com
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China
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Guangzhou CATO Research Chemicals Inc.
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+86-020-81960175-617 +8615602392859
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Intermediate@cato-chem.com
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China
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73829-38-6, 4-(N-methyl-N-nitroso)aminoantipyrineRelated Search:

4-(N-methyl-N-nitroso)aminoantipyrine Methylvinylnitrosamine

  • 4-(N-methyl-N-nitroso)aminoantipyrine
  • 1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one
  • MNAA
  • N-Nitrosomethylaminoantipyrine
  • S-75-2230
  • 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-
  • N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
  • N-Nitroso Metamizole EP Impurity C
  • 73829-38-6