3-甲基-1-对甲苯基-5-吡唑啉酮

Name: 3-甲基-1-对甲苯基-5-吡唑啉酮
Brand: 济南圣和化工有限公司

CAS 86-92-0C11H12N2OMW 188.23

3-甲基-1-对甲苯基-5-吡唑啉酮，CAS 登记号 86-92-0，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号86-92-0

分子式C11H12N2O

分子量188.23

LogP1.6

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到 3-甲基-1-对甲苯基-5-吡唑啉酮的 CAS 号？

本页已列出 3-甲基-1-对甲苯基-5-吡唑啉酮的 CAS 号：86-92-0，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

3-甲基-1-对甲苯基-5-吡唑啉酮一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

3-methyl-1-p-tolyl-5-pyrazolone · CAS 86-92-0 · C11H12N2O. UNII JOR5BL098G.

Identification

CAS Registry Number	86-92-0
PubChem CID	66591
Molecular formula	C11H12N2O
IUPAC name	5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one
UNII (FDA)	JOR5BL098G

Computed Descriptors

Molecular Weight	188.23
XLogP3	1.6
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	1
Exact Mass	188.094963011
Monoisotopic Mass	188.094963011
Topological Polar Surface Area	32.7
Heavy Atom Count	14
Formal Charge	0

Physical description & handling notes

142.9 Å² [M+H]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID6052588]
144.4 Å² [M-H]- [CCS Type: DT; Buffer gas: N2; Ionization: ESI-; Dataset: TOXCAST; Source Identifier: DTXSID6052588]
156.9 Å² [M+Na]+ [CCS Type: DT; Buffer gas: N2; Ionization: ESI+; Dataset: TOXCAST; Source Identifier: DTXSID6052588]

Regulatory Status

GHS notification summary	9.3% (19 / 205)

GHS Hazard Classification

GHS notification summary	9.3% (19 / 205)
Reported hazard statements	H302 (18.5%), H317 (70.7%), H412 (72.2%)

This chemical does not meet GHS hazard criteria for 9.3% (19 of 205) of reports.

H302 (18.5%): Harmful if swallowed [Warning Acute toxicity, oral]

Documented Uses

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)-: ACTIVE

Synonyms

86-92-0; 3-Methyl-1-p-tolyl-5-pyrazolone; 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one; 1-(p-Tolyl)-3-methyl-5-pyrazolone; 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)-; EINECS 201-708-4; 3-Methyl-1-p-tolyl-pyrazolin-5-one; BRN 0610651; 2-Pyrazolin-5-one, 3-methyl-1-p-tolyl-; EC 201-708-4; 2-Pyrazolin-5-one, 3-methyl-1-(4-methylphenyl)-; JOR5BL098G; DTXSID6052588; 3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-one; 1-(p-Tolyl)-3-methylpyrazolone-5; RefChem:443612

Frequently Asked Questions

What are the CAS number and molecular formula of 3-methyl-1-p-tolyl-5-pyrazolone?

CAS 86-92-0; molecular formula C11H12N2O; molecular weight — g/mol.

What other names is 3-methyl-1-p-tolyl-5-pyrazolone known by?

86-92-0, 3-Methyl-1-p-tolyl-5-pyrazolone, 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one, 1-(p-Tolyl)-3-methyl-5-pyrazolone, 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)-, EINECS 201-708-4.

Is 3-methyl-1-p-tolyl-5-pyrazolone classified as hazardous?

9.3% of GHS notifications report no hazard classification (19 of 205).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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