1,2,3-Trimethylbenzene

Modify Date: 2025-08-19 23:50:12

1,2,3-Trimethylbenzene structure	Common Name	1,2,3-Trimethylbenzene
	CAS Number	526-73-8	Molecular Weight	120.192
	Density	0.9±0.1 g/cm3	Boiling Point	176.8±20.0 °C at 760 mmHg
	Molecular Formula	C₉H₁₂	Melting Point	−25 °C(lit.)
	MSDS	Chinese USA	Flash Point	53.1±7.3 °C
	Symbol	GHS02, GHS07	Signal Word	Warning

Name	1,2,3-trimethylbenzene
Synonym	More Synonyms

Density	0.9±0.1 g/cm3
Boiling Point	176.8±20.0 °C at 760 mmHg
Melting Point	−25 °C(lit.)
Molecular Formula	C₉H₁₂
Molecular Weight	120.192
Flash Point	53.1±7.3 °C
Exact Mass	120.093903
LogP	3.60
Vapour density	4.15 (vs air)
Vapour Pressure	1.4±0.2 mmHg at 25°C
Index of Refraction	1.501
Stability	Stable. Flammable. Incompatible with strong oxidizing agents.

1,2,3-Trimethylbenzene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DC3300000

CHEMICAL NAME :: Benzene, 1,2,3-trimethyl-

CAS REGISTRY NUMBER :: 526-73-8

BEILSTEIN REFERENCE NO. :: 1903410

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C9-H12

MOLECULAR WEIGHT :: 120.21

WISWESSER LINE NOTATION :: 1R B1 C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 mL/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - acute pulmonary edema Blood - hemorrhage

REFERENCE :: AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 19,403,1959 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T1997 No. of Facilities: 13 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 279 (estimated)

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant;
Risk Phrases	R10;R37
Safety Phrases	S16
RIDADR	UN 3295 3/PG 3
WGK Germany	3
RTECS	DC3300000
Packaging Group	III
Hazard Class	3.2
HS Code	2902909090

Precursor 10
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DownStream 10
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526-73-8 preparation

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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Trimethyl benzene

benzene, trimethyl-

hemimelliten

trimethylarsenic dibromide

EINECS 208-394-8

Hemimellitene

trimethylbenzene

Benzene, 1,2,3-trimethyl-

trimethylbenzol, 1,2,3-

Arsonium,bromotrimethyl-,bromide

1,2,3-trimethyl benzene

1,2,3-Trimethyl-benzene

Trimethylarsoniumbromid

1,2,3-Trimethylbenzene

Trimethylarsendibromid

MFCD00008520

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,2,3-Trimethylbenzene
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,2,3-Trimethylbenzene
Price: ￥88.0/5ml ￥278.0/25ml
Purity: 85.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1,2,3-Trimethylbenzene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1,2,3-Trimethylbenzene 526-73-8
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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1,2,3-Trimethylbenzene

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