1,2,3-Trimethylbenzene
Names
[ CAS No. ]:
526-73-8
[ Name ]:
1,2,3-Trimethylbenzene
[Synonym ]:
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
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.
MSDS
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
[ 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 & DownStream
Precursor
DownStream
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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Some data suggest that increased behavioural sensitivity to psychostimulants may develop after exposure to volatile chemicals in common use. The purpose of the present experiment was to find out wheth...