Benzoic acid,2,3,5,6-tetramethyl-

Modify Date: 2024-01-13 19:06:53

Benzoic acid,2,3,5,6-tetramethyl- Structure
Benzoic acid,2,3,5,6-tetramethyl- structure
Common Name Benzoic acid,2,3,5,6-tetramethyl-
CAS Number 2604-45-7 Molecular Weight 178.22800
Density 1.066g/cm3 Boiling Point 310ºC at 760mmHg
Molecular Formula C11H14O2 Melting Point 178-181ºC(lit.)
MSDS USA Flash Point 145.5ºC

 Names

Name 2,3,5,6-Tetramethylbenzoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.066g/cm3
Boiling Point 310ºC at 760mmHg
Melting Point 178-181ºC(lit.)
Molecular Formula C11H14O2
Molecular Weight 178.22800
Flash Point 145.5ºC
Exact Mass 178.09900
PSA 37.30000
LogP 2.61840
Vapour Pressure 0.000266mmHg at 25°C
Index of Refraction 1.54

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DH6835100
CHEMICAL NAME :
Benzoic acid, 2,3,5,6-tetramethyl-
CAS REGISTRY NUMBER :
2604-45-7
BEILSTEIN REFERENCE NO. :
2328778
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H14-O2
MOLECULAR WEIGHT :
178.25
WISWESSER LINE NOTATION :
QVR B1 C1 E1 F1

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 :
750 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
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DH6835100
HS Code 2916399090

 Synthetic Route

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Benzoic acid,2,3,5,6-tetramethyl- Structure

Benzoic acid,2,...

CAS#:2604-45-7

Literature: Fuson; Kelton Journal of the American Chemical Society, 1941 , vol. 63, p. 1500 Full Text View citing articles Show Details Coops et al. Recueil des Travaux Chimiques des Pays-Bas, 1940 , vol. 59, p. 1109,1111 Full Text Show Details Weizmann Journal of the American Chemical Society, 1948 , vol. 70, p. 2342

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Benzoic acid,2,3,5,6-tetramethyl- Structure

Benzoic acid,2,...

CAS#:2604-45-7

Literature: Jacobsen Chemische Berichte, 1889 , vol. 22, p. 1217

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Benzoic acid,2,3,5,6-tetramethyl- Structure

Benzoic acid,2,...

CAS#:2604-45-7

Literature: Gattermann Chemische Berichte, 1899 , vol. 32, p. 1119 Justus Liebigs Annalen der Chemie, 1888 , vol. 244, p. 55

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Detail
Literature: Masnovi, J. M.; Sankararaman, S.; Kochi, J. K. Journal of the American Chemical Society, 1989 , vol. 111, # 6 p. 2263 - 2276

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Detail
Literature: Fuson et al. Journal of the American Chemical Society, 1942 , vol. 64, p. 2886,2887

 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%

 Synonyms

BENZOIC ACID,2,3,5,6-TETRAMETHYL
1.2.4.5-Tetramethyl-benzol-carbonsaeure-(3)
2,3,5,6-tetramethyl-benzoic acid
2,3,4,5-TETRAHYDRO-BENZO[C]AZEPIN-1-ONE
Durol-eso-carbonsaeure
EINECS 220-015-8
2,3,5,6-Tetramethyl-benzoesaeure
MFCD00013981