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HCID 10263作成日：2026年10月27日

1,2,3,4-Tetramethylbenzene

https://huagongshe.com/ja/chemical/10263

識別子と物理属性

CAS No.	25619-60-7
分子式	C10H14
平均分子量	134.22 g/mol
単同位体質量	134.10955045 g/mol
SMILES	Cc1ccc(C)c(C)c1C
InChIKey	UOHMMEJUHBCKEE-UHFFFAOYSA-N
PubChem CID	10263
ChEMBL	CHEMBL1797278
ChEBI	CHEBI:38997
EC No.	207-673-1
DTXSID	DTXSID4060072

化学・物理的性質

XLogP	4
極性表面積	0
水素結合供与体数	0
水素結合受容体数	0
回転可能結合数	0
重原子数	10
形式電荷	0
複雑度	92
Physical Description	Colorless liquid[Hawley]
Kovats Retention Index	1145.31175.21135.84113611331140.9114711391127.511551160116511681125.61148112011221144.21148.21149.91153.81159.81169.41150.41129.21132.714361430149314951505.11461.614561434.71462146414761435
融点	-6.2 °C
沸点	205 °C
密度	0.9044 g/cm3(Temp: 18 °C)

安全性と法規制

GHS 分類	This chemical does not meet GHS hazard criteria for 3.1% (3 of 96) of reports.WarningH315 (96.9%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (96.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (96.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract 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 96 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 3 of 96 reports by companies.There are 2 notifications provided by 93 of 96 reports by companies with hazard statement code(s).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.
規制情報	Benzene, 1,2,3,4-tetramethyl-: Does not have an individual approval but may be used under an appropriate group standard
有害性の概要	Tetramethylbenzenes are toxic by ingestion (relatively low) with LD50s (rat) of >5000 mg/kg. [Ullmann] A skin and eye irritant[MSDSonline] See Trimethyl benzene isomers.
Hazard Classes and Categories	Skin Irrit. 2 (96.9%)Eye Irrit. 2 (96.9%)STOT SE 3 (96.9%)
有害作用	Neurotoxin - Acute solvent syndrome
USGS Health-Based Screening Levels for Evaluating Water-Quality	1,2,3,4-TetramethylbenzeneVolatile Organic Compound (VOC)Smith, C.D. and Nowell, L.H., 2024. Health-Based Screening Levels for evaluating water-quality data (3rd ed.). DOI:10.5066/F71C1TWP

CAS No.

25619-60-7

分子式

C10H14

平均分子量

134.22 g/mol

単同位体質量

134.10955045 g/mol

SMILES

Cc1ccc(C)c(C)c1C

InChIKey

UOHMMEJUHBCKEE-UHFFFAOYSA-N

PubChem CID

10263

ChEMBL

CHEMBL1797278

ChEBI

CHEBI:38997

EC No.

207-673-1

DTXSID

DTXSID4060072

化学・物理的性質

XLogP

極性表面積

水素結合供与体数

水素結合受容体数

回転可能結合数

重原子数

形式電荷

複雑度

Physical Description

Colorless liquid[Hawley]

Kovats Retention Index

1145.31175.21135.84113611331140.9114711391127.511551160116511681125.61148112011221144.21148.21149.91153.81159.81169.41150.41129.21132.714361430149314951505.11461.614561434.71462146414761435

融点

-6.2 °C

沸点

205 °C

密度

0.9044 g/cm3(Temp: 18 °C)

安全性と法規制

GHS 分類

This chemical does not meet GHS hazard criteria for 3.1% (3 of 96) of reports.WarningH315 (96.9%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (96.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (96.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract 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 96 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Reported as not meeting GHS hazard criteria per 3 of 96 reports by companies.There are 2 notifications provided by 93 of 96 reports by companies with hazard statement code(s).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.

規制情報

Benzene, 1,2,3,4-tetramethyl-: Does not have an individual approval but may be used under an appropriate group standard

有害性の概要

Tetramethylbenzenes are toxic by ingestion (relatively low) with LD50s (rat) of >5000 mg/kg. [Ullmann] A skin and eye irritant[MSDSonline] See Trimethyl benzene isomers.

Hazard Classes and Categories

Skin Irrit. 2 (96.9%)Eye Irrit. 2 (96.9%)STOT SE 3 (96.9%)

有害作用

Neurotoxin - Acute solvent syndrome

USGS Health-Based Screening Levels for Evaluating Water-Quality

1,2,3,4-TetramethylbenzeneVolatile Organic Compound (VOC)Smith, C.D. and Nowell, L.H., 2024. Health-Based Screening Levels for evaluating water-quality data (3rd ed.). DOI:10.5066/F71C1TWP