Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Pyridazine
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Pyridazine
Price: ￥278.0/5g ￥948.0/25g
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: TIANFU CHEM -- Pyridazine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

289-80-5

289-80-5 structure

289-80-5 structure

Name: Pyridazine
Chemical Name: pyridazine
CAS Number: 289-80-5
Molecular Formula: C₄H₄N₂
Molecular Weight: 80.09
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-08-12 02:27:32
Modify Date: 2025-08-24 23:14:40
Pyridazine is a biochemical reagent that can be used as a biological material or organic compound for life science related research.

Name	pyridazine
Synonyms	MFCD00006463 pyridazin EINECS 206-025-5 Pyridazine 1,2-diazine o-diazine diazine orthodiazine Pyridiazine 1,2-Diazabenzene Oizine

Description	Pyridazine is a biochemical reagent that can be used as a biological material or organic compound for life science related research.
Related Catalog	Research Areas >> Others
In Vitro	吡咯并[1,2-b]哒嗪1是由哒嗪和吡咯缩合得到的含有两个氮原子的N-桥头芳杂环。

Density	1.1±0.1 g/cm3
Boiling Point	208.0±0.0 °C at 760 mmHg
Melting Point	−8 °C(lit.)
Molecular Formula	C₄H₄N₂
Molecular Weight	80.09
Flash Point	85.0±0.0 °C
Exact Mass	80.037445
PSA	25.78000
LogP	-0.77
Vapour Pressure	0.3±0.3 mmHg at 25°C
Index of Refraction	1.503
Storage condition	Refrigerator
Water Solubility	MISCIBLE

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UR5267000

CHEMICAL NAME :: Pyridazine

CAS REGISTRY NUMBER :: 289-80-5

LAST UPDATED :: 199803

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C4-H4-N2

MOLECULAR WEIGHT :: 80.10

WISWESSER LINE NOTATION :: T6NNJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 2650 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PBPHAW Progress in Biochemical Pharmacology. (S. Karger AG, Postfach CH-4009 Basel, Switzerland) V.1- 1965- Volume(issue)/page/year: 1,542,1965

Hazard Codes	Xn
Risk Phrases	R36/37/38
Safety Phrases	S23-S24/25
WGK Germany	3
RTECS	UR5267000
HS Code	2933990090

Precursor 10
110-91-8 109-77-3 90510-96-6 290-42-6
141-30-0 573-57-9 1671-87-0 63904-57-4
114068-57-4 90230-87-8
DownStream 9
39123-39-2 98832-77-0 21050-73-7 53896-49-4
50681-25-9 20744-39-2 1120-88-3 1632-76-4
68206-10-0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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.