885-11-0

885-11-0 structure

Name: 3H-Pyrazol-3-one,1,2-dihydro-1,5-dimethyl-4-nitroso-2-phenyl-
Chemical Name: 1,5-dimethyl-4-nitroso-2-phenylpyrazol-3-one
CAS Number: 885-11-0
Molecular Formula: C₁₁H₁₁N₃O₂
Molecular Weight: 217.22400
Create Date: 2017-06-24 20:40:53
Modify Date: 2025-08-23 20:23:05

Name	1,5-dimethyl-4-nitroso-2-phenylpyrazol-3-one
Synonyms	1,5-dimethyl-4-nitroso-2-phenyl-1,2-dihydro-pyrazol-3-one 4-Nitrosoantipyrin 2,3-dimethyl-4-nitroso-1-phenylpyrazol-5-one 2,3-Dimethyl-4-nitroso-1-phenyl-3-pyrazolin-5-one 4-Nitrosoantipyrine EINECS 212-941-6 ANTIPYRINE,4-NITROSO 4-nitrosophenazone 1,5-dimethyl-4-nitroso-2-phenyl-1H-pyrazol-3(2H)-one 1,2-dihydro-2,3-dimethyl-4-nitroso-1-phenylpyrazol-5-one

Density	1.26g/cm3
Boiling Point	306.5ºC at 760 mmHg
Molecular Formula	C₁₁H₁₁N₃O₂
Molecular Weight	217.22400
Flash Point	139.2ºC
Exact Mass	217.08500
PSA	56.36000
LogP	1.88230
Index of Refraction	1.621

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CD3027000

CHEMICAL NAME :: Antipyrine, 4-nitroso-

CAS REGISTRY NUMBER :: 885-11-0

BEILSTEIN REFERENCE NO. :: 0201816

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H11-N3-O2

MOLECULAR WEIGHT :: 217.25

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 10 ug/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 57,287,1978

HS Code	2933199090

60-80-0

~23%

885-11-0

Literature: Stankyavichyus, A. P.; Terent'ev, P. B.; Solov'ev, O. A. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 9 p. 1041 - 1045 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , # 9 p. 1243 - 1247

60-80-0

10544-72-6

885-11-0

30672-29-8

Literature: Thoms; Schnupp Justus Liebigs Annalen der Chemie, 1923 , vol. 434, p. 310

Precursor 2
60-80-0 10544-72-6
DownStream 10
3615-24-5 83-15-8 58-15-1 10077-97-1
83-07-8 30957-66-5 1672-58-8 74051-60-8
5702-68-1 622-36-6

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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

2680723-61-7	2679828-90-9
2679806-09-6	2680680-82-2
2680626-64-4	2680677-43-2
2679942-76-6	2680586-53-0
2680756-82-3	2680696-70-0