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化工社化工社 化学情報印刷レポート · 研究参考用
HCID 12759作成日:2026年10月26日

2,3,5-トリメチルピリジン

2,3,5-トリメチルピリジン · 2,3,5-コリジン · 2,3,5コリジン · 2,3,5‐コリジン · 2,3,5-TRIMETHYLPYRIDINE · 2,3,5-TrimethyL · Pyridine, 2,3,5-trimethyl- · 235CO

https://huagongshe.com/ja/chemical/12759

2,3,5-トリメチルピリジン の分子構造式

識別子と物理属性

CAS No.695-98-7
分子式C8H11N
平均分子量121.18 g/mol
単同位体質量121.08914936 g/mol
SMILESCc1cnc(C)c(C)c1
InChIKeyGFYHSKONPJXCDE-UHFFFAOYSA-N
PubChem CID12759
EC No.211-786-1
DTXSIDDTXSID80219734
現地名2,3,5-トリメチルピリジン

化学・物理的性質

XLogP2
極性表面積12.9
水素結合供与体数0
水素結合受容体数1
回転可能結合数0
重原子数9
形式電荷0
複雑度90
Kovats Retention Index105510601045.210761484
融点-56.98°C (estimate)
沸点184 °C(lit.)
密度0.931 g/mL at 25 °C(lit.)
屈折率n20/D 1.508(lit.)
引火点165 °F
貯蔵条件Inert atmosphere,Room Temperature
溶解度クロロホルム(微量)、メタノール(微量)わずかに溶ける
pKa(酸解離定数)6.53±0.20(Predicted)
外観・状態液体
比重0.94
色無色透明~ごくわずかに黄色
BRN108832
InChI1S/C8H11N/c1-6-4-7(2)8(3)9-5-6/h4-5H,1-3H3
InChIKeyGFYHSKONPJXCDE-UHFFFAOYSA-N
SMILESCc1cnc(C)c(C)c1
CAS データベース695-98-7(CAS DataBase Reference)
NISTの化学物質情報Pyridine, 2,3,5-trimethyl-(695-98-7)

化学的特性

clear colourless to very slightly yellow liquid

安全性と法規制

GHS 分類WarningH302 (10.4%): Harmful if swallowed [Warning Acute toxicity, oral]H312 (10.4%): Harmful in contact with skin [Warning Acute toxicity, dermal]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H332 (10.4%): Harmful if inhaled [Warning Acute toxicity, inhalation]H335 (95.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, 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 48 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesAcute Tox. 4 (10.4%)Skin Irrit. 2 (100%)Eye Irrit. 2 (100%)STOT SE 3 (95.8%)
水環境危害等級(WGK)3
輸送番号(UN)NA 1993 / PGIII
税関コード29333990
危険文句(R)36/37/38-20/21/22
化審法(5)-715
消防法危-4-3-III
危険表示Xi,T,Xn
hazard_noteToxic
安全措置(S)26-36-36/37
危険等級6.1Eye Irrit. 2Skin Irrit. 2STOT SE 3
貯蔵分類10 - Combustible liquids

用途

用途

有機合成原料。

使用

2,3,5-Collidine is omeprazole intermediate which is the drug involved in proton pump inhibitors to block the production of stomach acid. It is used in the manufacture vitamin D3.