Paraxylic Acid
Names
[ CAS No. ]:
619-04-5
[ Name ]:
Paraxylic Acid
[Synonym ]:
asym.-o-Xylylic acid
Paraxylic Acid
EINECS 210-576-7
3,4-diMeC6H4COOH
3,4-Dimethylbenzoic acid
3,4-Dimethyl-benzoesaeure
o-Xylene-4-carboxylic Acid
Benzoic acid,3,4-dimethyl
Benzoic acid, 3,4-dimethyl-
MFCD00002524
3,4-dimethylbenzene carboxylic acid
1-Carboxy-3,4-dimethylbenzene
3,4-DiMethyl-Benzoic Acid
Biological Activity
[Description]:
[Related Catalog]:
[In Vitro]
[References]
Chemical & Physical Properties
[ Density]:
1.1±0.1 g/cm3
[ Boiling Point ]:
294.6±9.0 °C at 760 mmHg
[ Melting Point ]:
163-165 °C(lit.)
[ Molecular Formula ]:
C9H10O2
[ Molecular Weight ]:
150.174
[ Flash Point ]:
134.9±13.4 °C
[ Exact Mass ]:
150.068085
[ PSA ]:
37.30000
[ LogP ]:
2.82
[ Vapour Pressure ]:
0.0±0.7 mmHg at 25°C
[ Index of Refraction ]:
1.550
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- DG8734020
- CHEMICAL NAME :
- Benzoic acid, 3,4-dimethyl-
- CAS REGISTRY NUMBER :
- 619-04-5
- BEILSTEIN REFERENCE NO. :
- 0907267
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C9-H10-O2
- MOLECULAR WEIGHT :
- 150.19
- WISWESSER LINE NOTATION :
- QVR C1 D1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 316 mg/kg
- TOXIC EFFECTS :
- Behavioral - rigidity (including catalepsy) Behavioral - muscle contraction or spasticity
- REFERENCE :
- JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,1020,1968
Safety Information
[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
[ Hazard Codes ]:
Xn:Harmful;
[ Risk Phrases ]:
R22;R36/37/38
[ Safety Phrases ]:
S22-S24/25-S37/39-S26
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ RTECS ]:
DG8734020
[ HS Code ]:
2916399090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2916399090
[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%
Articles
FEMS Microbiol. Lett. 137(2-3) , 129-34, (1996)
Pseudomonas putida strain DMB capable of growing on 3,4-dimethylbenzoic acid as the only C and energy source was isolated by enrichment techniques. It does not utilize for growth or cooxidize the othe...
Biological monitoring of experimental human exposure to trimethylbenzene.Sci. Total Environ. 199(1-2) , 73-81, (1997)
Trimethylbenzene (TMB) is a component of numerous commercial preparations of organic solvents (Farbasol, Solvesso, Shellsol) used in the chemical, plastics, printing and other industries. TMB is a mix...
[Determination of dimethylbenzoic acid isomers in urine by gas chromatography].Macrocyclic Polyether Synthesis 45(1) , 37-44, (1994)
Trimethylobenzene (TMB) is a main ingredient of many organic solvents used in industry. In Farbasol (Polish trade name of the solvent) TMB occurs as a mixture of three isomers: pseudocumene (1, 2, 4-T...