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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 8428作成日:2026年10月27日

3-エチルアミノ-4-メチルフェノール

3-エチルアミノ-4-メチルフェノール · 3-(エチルアミノ)-4-メチルフェノール · 3-エチルアミノ-p-クレゾール · 3-Ethylamino · 3-Ethylamino-4-kresol · 3-ETHYLAMINO-4-CRESOL · 3-(ETHYLAMINO)-P-CRESOL · 3-Ethylamino-p-cresol>3-ETHYLAMINO-4-METHYLPHENOL

https://huagongshe.com/ja/chemical/8428

3-エチルアミノ-4-メチルフェノール の分子構造式

識別子と物理属性

CAS No.120-37-6
分子式C9H13NO
平均分子量151.21 g/mol
単同位体質量151.09971404 g/mol
SMILESCCNc1cc(O)ccc1C
InChIKeyCTGSQPRDMHCIMM-UHFFFAOYSA-N
PubChem CID8428
ChEMBLCHEMBL1520783
EC No.204-391-0
DTXSIDDTXSID7025269
現地名3-エチルアミノ-4-メチルフェノール

化学・物理的性質

XLogP2.3
極性表面積32.3
水素結合供与体数2
水素結合受容体数2
回転可能結合数2
重原子数11
形式電荷0
複雑度116
溶解度less than 0.1 mg/mL at 64 °F (NTP, 1992)水に不溶。
Physical Description3-ethylamino-4-methylphenol is a purple solid. (NTP, 1992)
融点85-87 °C (lit.)
沸点135-140°C 3mm
密度1.0406 (rough estimate)
屈折率1.5380 (estimate)
引火点135-140°C/3mm
貯蔵条件Keep in dark place,Inert atmosphere,Room temperature
外観・状態powder to crystal
pKa(酸解離定数)10.66±0.18(Predicted)
色White to Gray to Red
BRN3241548
安定性安定。強力な酸化剤とは相容れない。
InChI1S/C9H13NO/c1-3-10-9-6-8(11)5-4-7(9)2/h4-6,10-11H,3H2,1-2H3
InChIKeyCTGSQPRDMHCIMM-UHFFFAOYSA-N
SMILESCCNc1cc(O)ccc1C
CAS データベース120-37-6(CAS DataBase Reference)
NISTの化学物質情報Phenol, 3-(ethylamino)-4-methyl-(120-37-6)
EPAの化学物質情報3-(Ethylamino)-4-methylphenol (120-37-6)

化学的特性

purple solid

安全性と法規制

GHS 分類WarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
規制情報Chemical: Phenol, 3-(ethylamino)-4-methyl-
輸送ラベル(DOT)Poison
火災危険Flash point data for this chemical are not available. It is probably combustible. (NTP, 1992)
健康有害性Excerpt from ERG Guide 152 [Substances - Toxic (Combustible)]:
反応性グループAmines, Phosphines, and Pyridines
Reactivity ProfileAn amine and phenol. Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides. Phenols do not behave as organic alcohols, as one might guess from the presence of a hydroxyl (-OH) group in their structure. Instead, they react as weak organic acids. Phenols and cresols are much weaker as acids than common carboxylic acids (phenol has pKa = 9.88). These materials are incompatible with strong reducing substances such as hydrides, nitrides, alkali metals, and sulfides. Flammable gas (H2) is often generated, and the heat of the reaction may ignite the gas. Heat is also generated by the acid-base reaction between phenols and bases. Such heating may initiate polymerization of the organic compound. Phenols are sulfonated very readily (for example, by concentrated sulfuric acid at room temperature). The reactions generate heat. Phenols are also nitrated very rapidly, even by dilute nitric acid.
Air and Water ReactionsThis compound may be sensitive to prolonged exposure to air. (NTP, 1992). Insoluble in water.
Hazard Classes and Categories

用途

使用

3-Ethylamino-4-methylphenol was used in the synthesis of rhodol by undergoing condensation reaction with 2-(2,4-dihydroxybenzoyl)benzoic acid.

一般的な説明

Purple solid.

Skin Irrit. 2 (100%)
消火Fires involving this compound can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
応急処置EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
非火災時の漏出対応SMALL SPILLS AND LEAKAGE: Should a spill occur while you are handling this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with ethanol and transfer the dampened material to a suitable container. Use absorbent paper dampened with ethanol to pick up any remaining material. Seal the absorbent paper, and any of your clothes, which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Isolation and EvacuationExcerpt from ERG Guide 152 [Substances - Toxic (Combustible)]:
Personal Protective Equipment (PPE)RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)
水環境危害等級(WGK)2
TSCA 収載状態TSCA listed
RTECS 番号SL4105000
税関コード29222990
危険文句(R)36/37/38
危険表示Xi
安全措置(S)26-37/39
危険等級Eye Irrit. 2Skin Irrit. 2STOT SE 3
貯蔵分類11 - Combustible Solids