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HCID 67331作成日:2026年10月23日

3,6-ジクロロピリダジン

3,6-ジクロロピリダジン · トリエチルヘキサノイン · 3,6‐ジクロロピリダジン · 3,6-dichlorpyridazine · 3,6-DichL · AURORA KA-6560 · IFLAB-BB F1918-0076 · 6-Dichloropyridazine

https://huagongshe.com/ja/chemical/67331

3,6-ジクロロピリダジン の分子構造式

識別子と物理属性

CAS No.141-30-0
分子式C4H2Cl2N2
平均分子量148.98 g/mol
単同位体質量147.95950342 g/mol
SMILESClc1ccc(Cl)nn1
InChIKeyGUSWJGOYDXFJSI-UHFFFAOYSA-N
PubChem CID67331
EC No.205-478-6
DTXSIDDTXSID4059704
現地名3,6-ジクロロピリダジン

化学・物理的性質

XLogP1.7
極性表面積25.8
水素結合供与体数0
水素結合受容体数2
回転可能結合数0
重原子数8
形式電荷0
複雑度68.4
物質分類Nitrogen Compounds -> Other Aromatics (Nitrogen)
SpringerMaterials PropertiesSchoenflies notation
LogP(分配係数)0.93
Physical DescriptionSolid[Sigma-Aldrich MSDS]
融点65-69 °C (lit.)
沸点244.21°C (rough estimate)
密度1.6445 (rough estimate)
屈折率1.6300 (estimate)
貯蔵条件Keep in dark place,Sealed in dry,Room Temperature
溶解度0.0012g/lクロロホルムに可溶。水に不溶。
pKa(酸解離定数)-1.18±0.10(Predicted)
外観・状態結晶性粉末
色白~ほぼ白
BRN111151
InChIInChI=1S/C4H2Cl2N2/c5-3-1-2-4(6)8-7-3/h1-2H
InChIKeyGUSWJGOYDXFJSI-UHFFFAOYSA-N
SMILESC1(Cl)=NN=C(Cl)C=C1
CAS データベース141-30-0(CAS DataBase Reference)
NISTの化学物質情報Pyridazine, 3,6-dichloro-(141-30-0)
EPAの化学物質情報Pyridazine, 3,6-dichloro- (141-30-0)

化学的特性

off-white to brownish crystalline powder

安全性と法規制

GHS 分類DangerH301 (81%): Toxic if swallowed [Danger Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 58 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.WarningH373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
規制情報Status: Active Update: 05-11-2021 https://echa.europa.eu/registration-dossier/-/registered-dossier/32994
有害性の概要Causes somnolence, ataxia, and weight loss in inhalation lethal-concentration studies of ratsCauses somnolence and muscle weakness in oral lethal-dose studies of rats[RTECS] A skin and strong eye irritantToxic by ingestion[Sigma-Aldrich MSDS] See Maleic hydrazide and Pyrazon.
Hazard Classes and CategoriesAcute Tox. 3 (81%)Specific target organ toxicity - Repeated exposure - Category 2 (liver, kidney, testis)
Toxicity DataLC50 (rat) > 1,070 mg/m3/4hr
水環境危害等級(WGK)3
TSCA 収載状態TSCA listed
RTECS 番号UR5886250
輸送番号(UN)2811
毒性rat,LC50,inhalation,> 1070mg/m3/4H (1070mg/m3),BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)BEHAVIORAL: ATAXIA,National Technical Information Service. Vol. OTS0543107,
税関コード29339900
危険文句(R)36/37/38-25-20
化審法(5)-3834
危険表示Xi,T
hazard_noteIrritant
安全措置(S)26-37/39-45-22-36/39-36
危険等級6.1Acute Tox. 4 Oral
包装等級III
貯蔵分類11 - Combustible Solids

用途

用途

有機合成原料。

用途

医薬中間体、防腐?防カビ剤、漁網用防汚剤

使用

3,6-Dichloropyridazine is used as an intermediate in synthetic chemistry, especially in active pharmaceutical ingredients. It is used in the preparation of alfa-(halohetaroyl)-2-azahetarylacetonitriles.