磺胺吡啶

Name: 磺胺吡啶
Brand: 济南圣和化工有限公司

CAS 144-83-2C11H11N3O2SMW 249.29

磺胺吡啶，CAS 登记号 144-83-2，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144-83-2

分子式C11H11N3O2S

分子量249.29

熔点376 to 379 °F (NTP, 1992)

LogP0.35

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

在哪里能查到磺胺吡啶的 CAS 号？

本页已列出磺胺吡啶的 CAS 号：144-83-2，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。

磺胺吡啶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

Sulfapyridine · CAS 144-83-2 · C11H11N3O2S. UNII Y5V2N1KE8U. Melting Point: 376 to 379 °F (NTP, 1992); Melting Point: 192; Melting Point: 192 °C.

Identification

CAS Registry Number	144-83-2
PubChem CID	5336
Molecular formula	C11H11N3O2S
IUPAC name	4-amino-N-pyridin-2-ylbenzenesulfonamide
UNII (FDA)	Y5V2N1KE8U

Computed Descriptors

Molecular Weight	249.29
XLogP3	0
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	3
Exact Mass	249.05719778
Monoisotopic Mass	249.05719778
Topological Polar Surface Area	93.5
Heavy Atom Count	17
Formal Charge	0

Physical & Chemical Properties

Melting Point	376 to 379 °F (NTP, 1992)
Melting Point	192
Melting Point	192 °C
Solubility	268
Solubility	2.35e-01 g/L
LogP	0.35
LogP	0.9
Dissociation Constants	8.43
Collision Cross Section	152.7 Å² [M+H]+
Collision Cross Section	156.54 Å² [M-H]-

Physical description & handling notes

Sulfapyridine appears as odorless or almost odorless white or yellowish-white crystalline powder. Very slightly bitter taste. Aqueous solution is neutral. (NTP, 1992)
Solid
less than 1 mg/mL at 72 °F (NTP, 1992)
33.1 [ug/mL] (The mean of the results at pH 7.4)
158.33 Å² [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
150.94 Å² [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

Regulatory Status

GHS notification summary	12% (6 / 50)

GHS Hazard Classification

GHS notification summary	12% (6 / 50)
Reported hazard statements	H300 (72%), H317 (72%), H360 (72%), H361 (12%), H370 (72%), H411 (72%)

This chemical does not meet GHS hazard criteria for 12% (6 of 50) of reports.

H300 (72%): Fatal if swallowed [Danger Acute toxicity, oral]

Documented Uses

Use (kg) in Switzerland (2009): >1000
Use (kg; approx.) in Germany (2009): >25000
Use (kg; exact) in Germany (2009): 33245
Consumption (g per capita) in Switzerland (2009): 0.13
Consumption (g per capita; approx.) in Germany (2009): 0.31
Consumption (g per capita; exact) in Germany (2009): 0.41

Synonyms

sulfapyridine; 144-83-2; Sulphapyridine; 2-Sulfapyridine; 2-Sulfanilamidopyridine; Dagenan; Piridazol; Sulfidin; Sulfidine; Streptosilpyridine; Coccoclase; Plurazol; Pyriamid; Pyridazol; Eubasin; 2-Sulfanilylaminopyridine

Frequently Asked Questions

What are the CAS number and molecular formula of Sulfapyridine?

CAS 144-83-2; molecular formula C11H11N3O2S; molecular weight — g/mol.

What other names is Sulfapyridine known by?

sulfapyridine, 144-83-2, Sulphapyridine, 2-Sulfapyridine, 2-Sulfanilamidopyridine, Dagenan.

Is Sulfapyridine classified as hazardous?

12% of GHS notifications report no hazard classification (6 of 50).

What are the key physical properties of Sulfapyridine?

Melting Point: 376 to 379 °F (NTP, 1992); Melting Point: 192; Melting Point: 192 °C; Solubility: 268.

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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