1,2,3-Trimethylbenzene

Modify Date: 2024-01-02 01:52:55

1,2,3-Trimethylbenzene Structure
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
GHS02, GHS07		 Signal Word Warning

 Names

Name 1,2,3-trimethylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

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.

 Toxicological Information

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)

 Safety Information

Symbol GHS02 GHS07
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

 Preparation

526-73-8 preparation

 Customs

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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 Synonyms

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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